五年級數(shù)學(小數(shù)四則混合運算)計算題專項練習及答案匯編

五年級數(shù)學(小數(shù)四則混合運算)計算題專項練習及答案匯編(1)7.68-1.25×1.8=(2)8.16-3.08-4.41=(3)7.64×9-3.69=(4)2.8×6.3×7=(5)8.64÷0.54-6.32=(6)7.83+1.17÷0.2=(7)1.25×7.64×8=(8)7.5×3.78+7.5×6.22=(9)6.35+4.43+2.48=(10)6.79×8+8.4=(11)5.91-0.3-3.37=(12)2.8×2.1+6.08=(13)8.85+0.88+8.27=(14)0.64÷0.32×7.1=(15)7.74×2.5×1.8=(16)3.59-5×0.53=(17)4.56×9.5+0.87=(18)7.23×9+8.86=(19)2.5×6.39×0.8=(20)1.29+6.76+8.98=(21)9.35+4.41-4.36=(22)9.02-3.58+5.09=(23)4.85×7.4-4.5=(24)8.52÷4+2.61=(25)4.32×7.5+4.32×2.5=(26)2.96÷0.8×3.8=(27)3.51÷0.3÷0.26=(28)2.1×5×4.3=(29)9.75×6.96+9.75×3.04=(30)2.5×6.34×0.4=(31)4.73+9.11+9.89=(32)4.47÷0.6+0.97=(33)8.16-8.36÷4.4=(34)8.33-6.44+3.23=(35)1.96÷0.98÷0.25=(36)9-5.32+5.66=(37)1.65×8+8.56=(38)8.75×6.6×3.6=(39)1.96÷1.4×6.8=(40)4+8.86-8.02=(41)2.37÷0.15+7=(42)5.59+3.15÷0.35=(43)9.45×6.8-9.84=(44)8.73×5×8=(45)7.96-5.61÷1.7=(46)0.99÷0.33+2.69=(47)2×1.39+2×8.61=(48)0.25×8.74×8=(49)6.46÷0.2÷0.25=(50)8.03-1.3×6.1=(51)9.72÷0.8+2.78=(52)7.34-1.5÷0.25=(53)4.41+7.32+9.46=(54)0.3×40.2-0.3×0.2=(55)9.6+0.62-0.47=(56)4.15×3.4-9.09=(57)1.55+4.57-3.53=(58)4.2÷4+1.32=(59)7.2×0.65÷0.26=(60)7.42÷0.7×9=(61)7.46-2.53÷0.46=(62)7.5×8.1×0.48=(63)2.5×9.47×0.8=(64)9.66÷1.4-5.82=(65)6.48+0.73-5.25=(66)6.18÷0.24+2.32=(67)5.59+8.19÷1.4=(68)12.5×5.05×0.08=(69)1.5×28.9-1.5×8.9=(70)5.95+8.73-1.46=(71)4.5×2.88+4.5×7.12=(72)8.77+7.86+6.58=(73)9.7×6-4.97=(74)7.55-0.88+9.67=(75)2.1÷0.7+7.83=(76)4.8×4.5+9.03=(77)0.4÷2×0.35=(78)4.02÷0.67×4.9=(79)9.8-4.68-4.53=(80)6.39-3.82-1.84=(81)6.01-4.55÷9.1=(82)1.44÷2.4÷0.25=(83)3.06-7.2÷4.8=(84)3.57÷0.5-0.67=(85)3.56÷0.2-8.58=(86)9.75÷0.25×0.75=(87)4.24-0.39÷1.3=(88)7.55-9.99÷4.5=(89)2.2×3.9÷6.5=(90)0.25×8.37×8=(91)8.7×5.1×5=(92)7.61+4.85×6.2=(93)6.06-0.9×0.2=(94)8.53-6.21-0.14=(95)0.72×3÷7.2=(96)9.79×4×6=(97)8.71+0.78×7.5=(98)9.58-0.84÷7=(99)9.85-1.07-2.43=(100)4.38×2-8.53=(101)2.13+7.63-6.25=(102)5.22÷0.9÷0.5=(103)6.31×8×8.5=(104)6.14×76-6.14×6=(105)9.26-8×0.67=(106)3.33+2.27+9.47=(107)5.35-5.28÷1.5=(108)9.87÷1.5+3.59=(109)7.7+9.61+2.41=(110)2.55÷0.51×0.62=(111)8.23-1.56×0.25=(112)8.09-5.29-0.49=(113)5.37÷0.15-1.25=(114)9.1+7.32÷0.6=(115)3.43÷0.35-4.66=(116)6.11×26-6.11×6=(117)3.75×36.6-3.75×6.6=(118)1.65×0.6+3.34=(119)4.61+0.7×4.7=(120)9.66÷0.21÷5=(121)3.15÷0.5÷0.75=(122)12.5×5.12×0.08=(123)0.85+4.08÷5.1=(124)5.4×74.2-5.4×4.2=(125)7.81+5.9×8.6=(126)9.62+6.27÷0.66=(127)9.96-6.09+4.4=(128)9.52÷3.4÷0.35=(129)3÷0.48×1.2=(130)8×9.88+8×0.12=(131)7.65-1.35-2.12=(132)0.55+4.3×7.1=(133)5.35×6.2+2.62=(134)9.94÷0.7×9.4=(135)8.9×98-8.9×8=(136)6.45×7.8÷2.6=(137)5.21÷0.25-1.92=(138)6.66+8.23-4.84=(139)6.05-1×0.15=(140)5.01+5.04÷7=(141)9.05+4.16÷5.2=(142)3.5×90.7-3.5×0.7=(143)6.15+2.53-8.56=(144)8.95×5.6+8.6=(145)3.29÷0.47×0.3=(146)9.83-6.95+3.22=(147)5.26-0.31-1.41=(148)5.43-0.42-3.63=(149)7.28÷0.32÷0.5=(150)3×0.31÷0.93=(151)5.07÷6.5÷2.6=(152)9.51+1.75-9.42=(153)8.9-7.83+4.95=(154)9.16+2.88÷2.4=(155)2.76+3.8×0.45=(156)5.2-2.36÷2=(157)5.54×5.5-3.73=(158)6.21+1.7÷2=(159)8.8÷0.55+8.22=(160)9.9÷0.4÷0.6=(161)2.12×6÷0.5=(162)8.82+8.2-0.81=(163)7.97+7.6-6.52=(164)9.04+7.65-5.51=(165)2.15÷0.43+6.94=(166)8.32+8.83+2.92=(167)6.06×76-6.06×6=(168)3.7×2.6+6.54=(169)3.97÷0.2-5.44=(170)3.89-3.51÷2.7=(171)9.33-3.2×0.8=(172)2×5.21+2×4.79=(173)1.7×5.3+6.51=(174)7.83-7.02-0.26=(175)8.2×16.3-8.2×6.3=(176)6.42+0.55+3.6=(177)5.88-4.98+2.54=(178)2.5×5.34×8=(179)2.71-0.11×7=(180)9.71×46-9.71×6=(181)0.25×7.37×8=(182)5.1×6÷0.6=(183)5.11-1.16×1.5=(184)9.76×7.5×6.9=(185)9.05×2.8-8.2=(186)0.67÷0.2+7.36=(187)3.85÷0.7×4.8=(188)7.65×0.8÷3.6=(189)5.07÷0.52-4.94=(190)5×0.45+5×9.55=(191)9.67+2.22÷1.5=(192)4.95×9.6+6.2=(193)7.23+4.35÷5.8=(194)4.25+7.2×5.5=(195)5.44+1.54÷0.14=(196)4.8÷0.15÷3.2=(197)8.5×8.6×7.1=(198)2.77+0.63÷0.36=(199)7.9×3-3.02=(200)7.11÷1.8-3.36=(201)0.25×1.99×8=(202)6.56-5.54-0.72=(203)1.9×4×0.2=(204)0.25×6.72×0.04=(205)9.42+2.03+5.69=(206)7.7-2.1-1.88=(207)9.58×0.5-4.68=(208)5.24×92.5-5.24×2.5=(209)3.15+7.81÷0.5=(210)0.25×2.21×0.08=(211)8.25×2.8×1.5=(212)8.84×7.5+8.84×2.5=(213)5.46÷0.52÷0.14=(214)1.25×1.8×0.12=(215)3.8-0.8+8.38=(216)1.25×6.42×0.04=(217)2.68+5.03-2.52=(218)4.85×8.4×5.5=(219)8.67÷3.4-2.23=(220)8.5×5×6.4=(221)3.36×4.5+3.84=(222)9.18÷0.5÷0.25=(223)0.47+6.14×0.5=(224)7.44×2+2.72=(225)5.86×5+8.58=(226)8.68-1.2×2.8=(227)2.52÷0.36+7.66=(228)7.2-4.4+5.13=(229)3.65×7.4+3.65×2.6=(230)8.34-1.85÷3.7=(231)2.48×3.5+2.48×6.5=(232)9.1÷0.14+7.89=(233)4.8×77.7-4.8×7.7=(234)0.25×2.44×0.04=(235)3.37÷0.2-8.76=(236)6.64+6.6×2.7=(237)2.94÷0.4÷0.14=(238)0.83+5.55+6.42=(239)9.9×6×5.9=(240)1.86+9.36÷0.6=(241)6.64-0.2×7.6=(242)2.92+4.9×1.5=(243)1.86÷0.12-2.9=(244)6.82+6.12÷0.25=(245)6.29-0.37÷0.25=(246)6.52-6.12÷2=(247)6×0.43×4.5=(248)8.67+4.1-8.88=(249)8.51÷0.23-6.25=(250)4.2÷0.42+5.44=(251)1.25×7.26×8=(252)3.89+6.25×8.4=(253)0.21+3.06×3=(254)4.74-3.73+9.47=(255)3.57×4×3.5=(256)2.64÷0.8+6.11=(257)3.54-3.5×0.84=(258)8.75-0.75-6.03=(259)0.65+3.57÷8.5=(260)9.9×6.1÷0.15=(261)5.25×0.64÷2.1=(262)5.3×8.5+9.08=(263)3.3×60.1-3.3×0.1=(264)4.54×54.5-4.54×4.5=(265)8.05×5-1.6=(266)9.45÷2.7÷0.25=(267)6.6÷0.2×0.74=(268)4.18-4.6÷2.5=(269)5.38+5.6+8.64=(270)6×0.95+8.92=(271)2.41+1.11÷0.75=(272)2.99-0.13-0.9=(273)3.85+3.67+1.63=(274)2.3+5.05-5.31=(275)8.29-4.62+3.6=(276)7.98×2.5-3.38=(277)5.94-3.53+4.99=(278)9.52-5.75×1.4=(279)8.05-3.52+6=(280)12.5×6.86×0.04=(281)2.9+9.65+9.55=(282)5.19÷0.75-0.31=(283)3.08÷7.7+6.45=(284)1.19×9÷1.7=(285)1.2×7.5×6.9=(286)8.77+1.25×6.2=(287)1.68÷0.25÷0.12=(288)1.96×5-5.45=(289)4×0.54+2.58=(290)9.25×6.16+9.25×3.84=(291)6.22-2.67+4.22=(292)2×2.5×5=(293)8.8×8.1+8.8×1.9=(294)3.7-1.63-0.13=(295)8.28÷0.24-1.43=(296)2.16÷0.16×2.5=(297)6.9÷0.2×8.6=(298)1.25×8.03×4=(299)4.18×12-4.18×2=(300)0.41+3.03×8=(301)2×2.67+2×7.33=(302)6.18×6÷0.36=(303)5.44×35.5-5.44×5.5=(304)4.89+7.64+0.79=(305)2.5×0.95×0.04=(306)8.89÷7+2.25=(307)2.5×0.67×0.08=(308)8.6÷0.2×9=(309)2.68+0.79÷0.2=(310)4.89×8-8.97=(311)1.95+9.52-3.51=(312)5.93-1.15-1.94=(313)9.35-0.1+1.31=(314)0.21÷0.5×8=(315)6.18-0.7×6=(316)6.24-0.68×8=(317)0.4+7.43-1.6=(318)8.96×6-9.8=(319)5.57÷0.2+5.96=(320)3.4+7.68+8.49=(321)4.89-1.05-2.43=(322)3.41-4×0.76=(323)9.54×7.5×4.8=(324)8.5×4÷0.25=(325)1.32÷0.6-0.13=(326)7.35-4.95-0.62=(327)2.25×73.2-2.25×3.2=(328)7.64+1.24÷6.2=(329)1.01+0.75+5.47=(330)3.3×1.5×9.4=(331)5.92×8-2.76=(332)4.73+2.32×3.5=(333)0.76×3+6.85=(334)5.81-1.24×3=(335)7.41÷0.26×3.9=(336)1.85×8.2÷3.7=(337)8.89-0.11-6.15=(338)8.8÷2.2+9.1=(339)3.19+8.55÷5.7=(340)7.54÷0.29×0.32=(341)6.31+8.21+6.62=(342)9.62-2.04÷0.24=(343)5.9×4-8.24=(344)9.9+6.64+7.84=(345)7×0.28+6.62=(346)8.8÷4×6.7=(347)0.7×14.2-0.7×4.2=(348)1.11+1.28+1.12=(349)5.69+3.03+3.15=(350)1.25×0.52×0.4=(351)7.4×90.2-7.4×0.2=(352)5.41-1.36+0.25=(353)9.15-3.63+7.27=(354)3.2×5.95+3.2×4.05=(355)6.12+8.77-2.27=(356)5.45×88.6-5.45×8.6=(357)7.14÷0.6×7.2=(358)4×9.45+4×0.55=(359)2.52÷1.5+2.64=(360)4.37-0.69×3=(361)2.01×6+8.16=(362)9.6×2.3÷0.16=(363)9.36-5.96-2.77=(364)7.02÷0.12-1.17=(365)9.12÷0.96-1.94=(366)5.9-8.03÷2.2=(367)9.18+5.5×2.9=(368)0.75×33.6-0.75×3.6=(369)1.25×6.24×0.08=(370)5.32×56.5-5.32×6.5=(371)8.98-0.5×1.7=(372)2.97÷0.2+4.99=(373)7.51×6-5.1=(374)4.89-1.47-2.03=(375)4.45×9×7.2=(376)1.62×50-1.62×0=(377)1.98÷1.8×4.4=(378)7.17+2.08×2.5=(379)5.25×8.6-9.75=(380)5.93+5.84-3.82=(381)4.37-0.53+9.54=(382)4.45×9.6+4.45×0.4=(383)2.99+0.34+8.19=(384)3.85+3.9-7.51=(385)4.76+7.78-7.5=(386)9.68-4.89-2.34=(387)5.08×8+5.6=(388)0.5×1.46+0.5×8.54=(389)6.71÷1.1-5.02=(390)8.94+5.59-2.1=(391)1.2×0.85-0.75=(392)8.5×9.2+1.51=(393)1.25×2.07×8=(394)3.72÷0.75-3.62=(395)9.1+6.27-3.74=(396)1.31-0.11÷0.55=(397)4.93÷0.85+3.72=(398)9.19+9.17-6.29=(399)9.24÷0.42×0.83=(400)6.05×2.4-6.23=(401)5.86×7.5+5.86×2.5=(402)7.5×6.04+7.5×3.96=(403)2.22÷0.6×1.6=(404)8.16-4.8×0.5=(405)3.56÷0.5+9.35=(406)7.98+2.38-3.42=(407)0.34÷0.25÷0.32=(408)9.2×9.6+8.42=(409)5.1×1.4+5.1×8.6=(410)8.05+7.47÷0.18=(411)5.95×77.2-5.95×7.2=(412)2.85×6-2.87=(413)2.43+6.91+9.82=(414)1.74÷0.5÷1.2=(415)5.28÷1.6×6=(416)6×9.31+6×0.69=(417)2.5×5.81×0.8=(418)8.5×1.6+8.06=(419)3.35×98.6-3.35×8.6=(420)5.26×9+7.57=(421)4.04+8.45+1.5=(422)7.34+0.31+3.71=(423)2.5×0.22×9.2=(424)6.8÷1.7×0.65=(425)9.75+4.83÷0.92=(426)1.82+1.2+5.88=(427)3.29-0.98+9.83=(428)2.76÷2.3÷2.4=(429)2.5×9.2×4=(430)5.96-0.24÷0.6=(431)7.73÷0.25+7.51=(432)0.22+1.02×6.5=(433)6.75×0.84÷3=(434)1.49+4.7×1.1=(435)9.18-2.75×2.4=(436)7.2÷0.4÷0.2=(437)5.06+5.17-7.29=(438)7.95+9.88-7.55=(439)1.06+6.8×2.6=(440)1.84+4.14×2=(441)1.53÷0.6÷0.34=(442)3.34+7.7×0.5=(443)0.13÷0.65×0.45=(444)5.97×36-5.97×6=(445)4.36×4.5÷6=(446)2.55+5.46÷0.13=(447)8.89×4÷0.2=(448)5.33×3÷0.12=(449)9.47+9.43+3.27=(450)9.76-2.9-2.95=(451)3.97-3.37+2.19=(452)3.3×76.6-3.3×6.6=(453)7.25×1.32+7.25×8.68=(454)0.9÷0.15×0.16=(455)5.67+8.93÷0.25=(456)0.25×6.63×0.8=(457)0.42+0.9×9.3=(458)8.47-6.04+9.65=(459)2.8×9.05+2.8×0.95=(460)1.09+8.11-4.37=(461)0.5×2.8÷5=(462)6.36÷0.5+2.13=(463)1.48÷7.4÷0.16=(464)5.02+2.55-6.2=(465)6.69÷3-1.92=(466)7.3+0.92×2=(467)3.69÷3-0.95=(468)7.56÷0.3-3.26=(469)3×8.4÷0.4=(470)3.67-3.56×0.75=(471)8.5×8.9-9.65=(472)4.72×3.5-5.92=(473)1.73-0.66-0.32=(474)2.5×6.41×8=(475)5.8×8.1÷0.87=(476)3.42-2.86+8.05=(477)3.25×1.76+3.25×8.24=(478)0.39÷0.2+8.77=(479)1.25×0.56×0.3=(480)5.48-2.41+5.4=(481)9.35÷0.11+8.93=(482)1.4÷0.2-2.24=(483)4.5÷3×8.9=(484)7.57-3.17-4.23=(485)7.4÷0.8÷3.7=(486)8.64÷4÷0.2=(487)8.55-3.2×0.6=(488)6.3+2+2.36=(489)6.05÷0.11÷0.22=(490)2.4×5.5×4.4=(491)5.76×5.5÷0.33=(492)1.25×0.17×0.08=(493)9.88÷0.52-6.1=(494)8.03÷0.25+0.92=(495)8.34×67.5-8.34×7.5=(496)2.44×40-2.44×0=(497)0.41+1.62÷4.5=(498)2.5×3.44+2.5×6.56=(499)5.76+0.52-3.04=(500)5.42-0.58×2=(501)1.25×4.45×4=(502)4.71÷0.6÷0.2=(503)7.7×2.8÷0.7=(504)12.5×7.46×0.08=(505)7.55+1.2×9.6=(506)0.25×5.71×0.08=(507)3.04-0.72÷0.75=(508)9.4×8.8×3.5=(509)0.5×6.8-0.55=(510)6.5×63.9-6.5×3.9=(511)2.5×3.44×4=(512)3.58×20.5-3.58×0.5=(513)0.6×7.1+0.6×2.9=(514)1.15+1.6×4.7=(515)5.37+3.7×6=(516)8×2×0.72=(517)6.87+4.68+2.69=(518)8÷0.5×0.34=(519)0.13+7.5×9.6=(520)3.67+0.2×7.5=(521)4.03÷0.65+9.15=(522)9×7.51+9×2.49=(523)8.86×8-0.24=(524)6.6×8.1+3.98=(525)1.8÷4.5×3.9=(526)9.29-6.2-2.52=(527)3.4+0.66+1.67=(528)2×6.7-8.51=(529)8.12+5.95÷0.25=(530)2.14×6+4.9=(531)2.75×8.6×9=(532)1.15÷0.25-0.65=(533)3.21+9.83+2.96=(534)5.23+6.09+8.17=(535)5.52×78-5.52×8=(536)8.76÷0.4-9.41=(537)0.12+9.37+3.8=(538)1.15×9.6+8.95=(539)1.7-0.64×1.5=(540)4.78-3.72÷0.93=(541)7.2-4.94÷6.5=(542)9.71-1.43-0.34=(543)2.75×51.8-2.75×1.8=(544)1.61-1.41÷0.94=(545)5.27-9.64÷4=(546)5.82+5.89-7.46=(547)2.57-2.03-0.14=(548)3.96-2.8+6.92=(549)8.08-1.08÷0.2=(550)0.35×6.6÷0.7=(551)5.95×4.6+5.95×5.4=(552)7.74÷0.75-8.57=(553)6.04+8.64÷0.6=(554)6.11-7.68÷6=(555)7.24-0.22+2.31=(556)9.18÷0.9÷6.8=(557)4.2×4.65+4.2×5.35=(558)7.28÷1.3×5.2=(559)4.35×2.4÷4=(560)4.59÷0.75÷0.5=(561)1.84+2.26÷0.2=(562)5.62-3.2-1.61=(563)3.62+3.77×7=(564)8.59-5.97-0.26=(565)5.91÷0.2-4.91=(566)8.74-3.94×1.5=(567)7.72+6.55-4.72=(568)1.74-1.8×0.15=(569)3.9÷0.13×0.82=(570)5.7-2.12×0.25=(571)8.2×6×5.9=(572)0.25×6.66×0.08=(573)3×8.05+3×1.95=(574)6.46×4-9.02=(575)9.68-0.19+0.35=(576)7.6×1.8×5=(577)3.36-2.03+7.93=(578)2.63-1.32×0.5=(579)8.34+4.1÷2.5=(580)6.05+3.99÷5.7=(581)3.67×8+3.69=(582)6.85×5.6-5.14=(583)0.81×3+3.33=(584)7.43+7.75×0.92=(585)8.27-3.03-2.47=(586)4.32×2.75+4.32×7.25=(587)3.62+6.29+6.02=(588)7.39-3.74÷3.4=(589)3.99÷0.84+9.96=(590)2.76-0.36+2.39=(591)12.5×2.56×0.8=(592)3.68-2.16+8.15=(593)9.77×6-3.08=(594)0.96÷0.2+2.95=(595)9.68-5.4÷1.8=(596)4.15-5.44×0.75=(597)7.47÷0.25-9.05=(598)7.58-8×0.52=(599)7.87÷0.25+2.84=(600)4.59÷0.34÷0.9=(601)4.62×5÷0.44=(602)3.83-1.17+8.59=(603)9.27÷1.8-2.32=(604)9.45×9+7.1=(605)6.79-6.06÷3=(606)1.41÷0.25-3.17=(607)2.1×6-9.92=(608)7.83-0.1-0.17=(609)7×6.5÷0.2=(610)4.2×30.3-4.2×0.3=(611)4.64+9.88÷4=(612)2.55-4.98×0.5=(613)5+6.25×0.16=(614)4×0.77+7.73=(615)5.48+3.74×5=(616)0.84÷2.4÷0.25=(617)5.14×7÷0.14=(618)1.92÷0.48÷2=(619)6.99+2.08÷8=(620)6.16-3.92÷3.5=(621)6.95×8.2+6.95×1.8=(622)9.62+5.7×2.9=(623)7.8×0.9+2.96=(624)5.5×4.88+5.5×5.12=(625)6.48÷3.6÷0.75=(626)8.1+2.95×7.2=(627)8.8×0.45÷0.11=(628)5.8-3.68÷4.6=(629)3.47+0.42-1.96=(630)6.73×3-4.64=(631)7.18-0.88-0.72=(632)4.6×0.45+4.6×9.55=(633)8.32×2÷3.2=(634)3.48×7÷0.25=(635)2.5×2.95×0.4=(636)1.21÷5.5+1.92=(637)12.5×1.23×0.8=(638)7.65×3-0.17=(639)5.69-3.96÷3.3=(640)2.99+4-3.63=(641)9.99-0.73×6=(642)8.1×5.6÷0.15=(643)3.74-0.79+7.04=(644)8.37÷0.2÷0.31=(645)6.15+5.36-5.97=(646)6.88-2.68+9.91=(647)5.38+4.08+8.47=(648)5.47-2.01÷0.5=(649)6×0.77×5.5=(650)2.72-4.3×0.6=(651)9.89-2.4÷0.25=(652)6×2.4-5.29=(653)6.66-3.94+6.24=(654)3.45÷0.75+1.33=(655)5.31÷0.59×9.3=(656)5.92÷2+3.57=(657)1.38÷0.15×0.95=(658)5.86×3÷0.25=(659)6.06-5.42+9.07=(660)4.77÷0.12-5.87=(661)8.7÷1.2×8=(662)2.76-1.77-0.71=(663)6.75×0.76÷9.5=(664)9.52÷0.28÷8.5=(665)4.19-2.87+4.96=(666)9.75×0.28-2.67=(667)9.53÷0.25-5.5=(668)5.82+5.5×6.8=(669)1.25×3.82×0.08=(670)6.28-3.75-0.9=(671)6.63×6×8=(672)5×1.8÷0.72=(673)4.8×4.5+7.62=(674)7.04×4-4.84=(675)6.2+7.22÷9.5=(676)2.9×4×0.65=(677)2.64÷4.4÷0.25=(678)6.66+9.31÷0.98=(679)6.35-4.86÷5.4=(680)7.52-0.62×5.5=(681)2×8.7+0.03=(682)9.75×86-9.75×6=(683)9÷0.18-1.25=參考答案(1)7.68-1.25×1.8=5.43(2)8.16-3.08-4.41=0.67(3)7.64×9-3.69=65.07(4)2.8×6.3×7=123.48(5)8.64÷0.54-6.32=9.68(6)7.83+1.17÷0.2=13.68(7)1.25×7.64×8=76.4(8)7.5×3.78+7.5×6.22=75(9)6.35+4.43+2.48=13.26(10)6.79×8+8.4=62.72(11)5.91-0.3-3.37=2.24(12)2.8×2.1+6.08=11.96(13)8.85+0.88+8.27=18(14)0.64÷0.32×7.1=14.2(15)7.74×2.5×1.8=34.83(16)3.59-5×0.53=0.94(17)4.56×9.5+0.87=44.19(18)7.23×9+8.86=73.93(19)2.5×6.39×0.8=12.78(20)1.29+6.76+8.98=17.03(21)9.35+4.41-4.36=9.4(22)9.02-3.58+5.09=10.53(23)4.85×7.4-4.5=31.39(24)8.52÷4+2.61=4.74(25)4.32×7.5+4.32×2.5=43.2(26)2.96÷0.8×3.8=14.06(27)3.51÷0.3÷0.26=45(28)2.1×5×4.3=45.15(29)9.75×6.96+9.75×3.04=97.5(30)2.5×6.34×0.4=6.34(31)4.73+9.11+9.89=23.73(32)4.47÷0.6+0.97=8.42(33)8.16-8.36÷4.4=6.26(34)8.33-6.44+3.23=5.12(35)1.96÷0.98÷0.25=8(36)9-5.32+5.66=9.34(37)1.65×8+8.56=21.76(38)8.75×6.6×3.6=207.9(39)1.96÷1.4×6.8=9.52(40)4+8.86-8.02=4.84(41)2.37÷0.15+7=22.8(42)5.59+3.15÷0.35=14.59(43)9.45×6.8-9.84=54.42(44)8.73×5×8=349.2(45)7.96-5.61÷1.7=4.66(46)0.99÷0.33+2.69=5.69(47)2×1.39+2×8.61=20(48)0.25×8.74×8=17.48(49)6.46÷0.2÷0.25=129.2(50)8.03-1.3×6.1=0.1(51)9.72÷0.8+2.78=14.93(52)7.34-1.5÷0.25=1.34(53)4.41+7.32+9.46=21.19(54)0.3×40.2-0.3×0.2=12(55)9.6+0.62-0.47=9.75(56)4.15×3.4-9.09=5.02(57)1.55+4.57-3.53=2.59(58)4.2÷4+1.32=2.37(59)7.2×0.65÷0.26=18(60)7.42÷0.7×9=95.4(61)7.46-2.53÷0.46=1.96(62)7.5×8.1×0.48=29.16(63)2.5×9.47×0.8=18.94(64)9.66÷1.4-5.82=1.08(65)6.48+0.73-5.25=1.96(66)6.18÷0.24+2.32=28.07(67)5.59+8.19÷1.4=11.44(68)12.5×5.05×0.08=5.05(69)1.5×28.9-1.5×8.9=30(70)5.95+8.73-1.46=13.22(71)4.5×2.88+4.5×7.12=45(72)8.77+7.86+6.58=23.21(73)9.7×6-4.97=53.23(74)7.55-0.88+9.67=16.34(75)2.1÷0.7+7.83=10.83(76)4.8×4.5+9.03=30.63(77)0.4÷2×0.35=0.07(78)4.02÷0.67×4.9=29.4(79)9.8-4.68-4.53=0.59(80)6.39-3.82-1.84=0.73(81)6.01-4.55÷9.1=5.51(82)1.44÷2.4÷0.25=2.4(83)3.06-7.2÷4.8=1.56(84)3.57÷0.5-0.67=6.47(85)3.56÷0.2-8.58=9.22(86)9.75÷0.25×0.75=29.25(87)4.24-0.39÷1.3=3.94(88)7.55-9.99÷4.5=5.33(89)2.2×3.9÷6.5=1.32(90)0.25×8.37×8=16.74(91)8.7×5.1×5=221.85(92)7.61+4.85×6.2=37.68(93)6.06-0.9×0.2=5.88(94)8.53-6.21-0.14=2.18(95)0.72×3÷7.2=0.3(96)9.79×4×6=234.96(97)8.71+0.78×7.5=14.56(98)9.58-0.84÷7=9.46(99)9.85-1.07-2.43=6.35(100)4.38×2-8.53=0.23(101)2.13+7.63-6.25=3.51(102)5.22÷0.9÷0.5=11.6(103)6.31×8×8.5=429.08(104)6.14×76-6.14×6=429.8(105)9.26-8×0.67=3.9(106)3.33+2.27+9.47=15.07(107)5.35-5.28÷1.5=1.83(108)9.87÷1.5+3.59=10.17(109)7.7+9.61+2.41=19.72(110)2.55÷0.51×0.62=3.1(111)8.23-1.56×0.25=7.84(112)8.09-5.29-0.49=2.31(113)5.37÷0.15-1.25=34.55(114)9.1+7.32÷0.6=21.3(115)3.43÷0.35-4.66=5.14(116)6.11×26-6.11×6=122.2(117)3.75×36.6-3.75×6.6=112.5(118)1.65×0.6+3.34=4.33(119)4.61+0.7×4.7=7.9(120)9.66÷0.21÷5=9.2(121)3.15÷0.5÷0.75=8.4(122)12.5×5.12×0.08=5.12(123)0.85+4.08÷5.1=1.65(124)5.4×74.2-5.4×4.2=378(125)7.81+5.9×8.6=58.55(126)9.62+6.27÷0.66=19.12(127)9.96-6.09+4.4=8.27(128)9.52÷3.4÷0.35=8(129)3÷0.48×1.2=7.5(130)8×9.88+8×0.12=80(131)7.65-1.35-2.12=4.18(132)0.55+4.3×7.1=31.08(133)5.35×6.2+2.62=35.79(134)9.94÷0.7×9.4=133.48(135)8.9×98-8.9×8=801(136)6.45×7.8÷2.6=19.35(137)5.21÷0.25-1.92=18.92(138)6.66+8.23-4.84=10.05(139)6.05-1×0.15=5.9(140)5.01+5.04÷7=5.73(141)9.05+4.16÷5.2=9.85(142)3.5×90.7-3.5×0.7=315(143)6.15+2.53-8.56=0.12(144)8.95×5.6+8.6=58.72(145)3.29÷0.47×0.3=2.1(146)9.83-6.95+3.22=6.1(147)5.26-0.31-1.41=3.54(148)5.43-0.42-3.63=1.38(149)7.28÷0.32÷0.5=45.5(150)3×0.31÷0.93=1(151)5.07÷6.5÷2.6=0.3(152)9.51+1.75-9.42=1.84(153)8.9-7.83+4.95=6.02(154)9.16+2.88÷2.4=10.36(155)2.76+3.8×0.45=4.47(156)5.2-2.36÷2=4.02(157)5.54×5.5-3.73=26.74(158)6.21+1.7÷2=7.06(159)8.8÷0.55+8.22=24.22(160)9.9÷0.4÷0.6=41.25(161)2.12×6÷0.5=25.44(162)8.82+8.2-0.81=16.21(163)7.97+7.6-6.52=9.05(164)9.04+7.65-5.51=11.18(165)2.15÷0.43+6.94=11.94(166)8.32+8.83+2.92=20.07(167)6.06×76-6.06×6=424.2(168)3.7×2.6+6.54=16.16(169)3.97÷0.2-5.44=14.41(170)3.89-3.51÷2.7=2.59(171)9.33-3.2×0.8=6.77(172)2×5.21+2×4.79=20(173)1.7×5.3+6.51=15.52(174)7.83-7.02-0.26=0.55(175)8.2×16.3-8.2×6.3=82(176)6.42+0.55+3.6=10.57(177)5.88-4.98+2.54=3.44(178)2.5×5.34×8=106.8(179)2.71-0.11×7=1.94(180)9.71×46-9.71×6=388.4(181)0.25×7.37×8=14.74(182)5.1×6÷0.6=51(183)5.11-1.16×1.5=3.37(184)9.76×7.5×6.9=505.08(185)9.05×2.8-8.2=17.14(186)0.67÷0.2+7.36=10.71(187)3.85÷0.7×4.8=26.4(188)7.65×0.8÷3.6=1.7(189)5.07÷0.52-4.94=4.81(190)5×0.45+5×9.55=50(191)9.67+2.22÷1.5=11.15(192)4.95×9.6+6.2=53.72(193)7.23+4.35÷5.8=7.98(194)4.25+7.2×5.5=43.85(195)5.44+1.54÷0.14=16.44(196)4.8÷0.15÷3.2=10(197)8.5×8.6×7.1=519.01(198)2.77+0.63÷0.36=4.52(199)7.9×3-3.02=20.68(200)7.11÷1.8-3.36=0.59(201)0.25×1.99×8=3.98(202)6.56-5.54-0.72=0.3(203)1.9×4×0.2=1.52(204)0.25×6.72×0.04=0.0672(205)9.42+2.03+5.69=17.14(206)7.7-2.1-1.88=3.72(207)9.58×0.5-4.68=0.11(208)5.24×92.5-5.24×2.5=471.6(209)3.15+7.81÷0.5=18.77(210)0.25×2.21×0.08=0.0442(211)8.25×2.8×1.5=34.65(212)8.84×7.5+8.84×2.5=88.4(213)5.46÷0.52÷0.14=75(214)1.25×1.8×0.12=0.27(215)3.8-0.8+8.38=11.38(216)1.25×6.42×0.04=0.321(217)2.68+5.03-2.52=5.19(218)4.85×8.4×5.5=224.07(219)8.67÷3.4-2.23=0.32(220)8.5×5×6.4=272(221)3.36×4.5+3.84=18.96(222)9.18÷0.5÷0.25=73.44(223)0.47+6.14×0.5=3.54(224)7.44×2+2.72=17.6(225)5.86×5+8.58=37.88(226)8.68-1.2×2.8=5.32(227)2.52÷0.36+7.66=14.66(228)7.2-4.4+5.13=7.93(229)3.65×7.4+3.65×2.6=36.5(230)8.34-1.85÷3.7=7.84(231)2.48×3.5+2.48×6.5=24.8(232)9.1÷0.14+7.89=72.89(233)4.8×77.7-4.8×7.7=336(234)0.25×2.44×0.04=0.0244(235)3.37÷0.2-8.76=8.09(236)6.64+6.6×2.7=24.46(237)2.94÷0.4÷0.14=52.5(238)0.83+5.55+6.42=12.8(239)9.9×6×5.9=350.46(240)1.86+9.36÷0.6=17.46(241)6.64-0.2×7.6=5.12(242)2.92+4.9×1.5=10.27(243)1.86÷0.12-2.9=12.6(244)6.82+6.12÷0.25=31.3(245)6.29-0.37÷0.25=4.81(246)6.52-6.12÷2=3.46(247)6×0.43×4.5=11.61(248)8.67+4.1-8.88=3.89(249)8.51÷0.23-6.25=30.75(250)4.2÷0.42+5.44=15.44(251)1.25×7.26×8=72.6(252)3.89+6.25×8.4=56.39(253)0.21+3.06×3=9.39(254)4.74-3.73+9.47=10.48(255)3.57×4×3.5=49.98(256)2.64÷0.8+6.11=9.41(257)3.54-3.5×0.84=0.6(258)8.75-0.75-6.03=1.97(259)0.65+3.57÷8.5=1.07(260)9.9×6.1÷0.15=402.6(261)5.25×0.64÷2.1=1.6(262)5.3×8.5+9.08=54.13(263)3.3×60.1-3.3×0.1=198(264)4.54×54.5-4.54×4.5=227(265)8.05×5-1.6=38.65(266)9.45÷2.7÷0.25=14(267)6.6÷0.2×0.74=24.42(268)4.18-4.6÷2.5=2.34(269)5.38+5.6+8.64=19.62(270)6×0.95+8.92=14.62(271)2.41+1.11÷0.75=3.89(272)2.99-0.13-0.9=1.96(273)3.85+3.67+1.63=9.15(274)2.3+5.05-5.31=2.04(275)8.29-4.62+3.6=7.27(276)7.98×2.5-3.38=16.57(277)5.94-3.53+4.99=7.4(278)9.52-5.75×1.4=1.47(279)8.05-3.52+6=10.53(280)12.5×6.86×0.04=3.43(281)2.9+9.65+9.55=22.1(282)5.19÷0.75-0.31=6.61(283)3.08÷7.7+6.45=6.85(284)1.19×9÷1.7=6.3(285)1.2×7.5×6.9=62.1(286)8.77+1.25×6.2=16.52(287)1.68÷0.25÷0.12=56(288)1.96×5-5.45=4.35(289)4×0.54+2.58=4.74(290)9.25×6.16+9.25×3.84=92.5(291)6.22-2.67+4.22=7.77(292)2×2.5×5=25(293)8.8×8.1+8.8×1.9=88(294)3.7-1.63-0.13=1.94(295)8.28÷0.24-1.43=33.07(296)2.16÷0.16×2.5=33.75(297)6.9÷0.2×8.6=296.7(298)1.25×8.03×4=40.15(299)4.18×12-4.18×2=41.8(300)0.41+3.03×8=24.65(301)2×2.67+2×7.33=20(302)6.18×6÷0.36=103(303)5.44×35.5-5.44×5.5=163.2(304)4.89+7.64+0.79=13.32(305)2.5×0.95×0.04=0.095(306)8.89÷7+2.25=3.52(307)2.5×0.67×0.08=0.134(308)8.6÷0.2×9=387(309)2.68+0.79÷0.2=6.63(310)4.89×8-8.97=30.15(311)1.95+9.52-3.51=7.96(312)5.93-1.15-1.94=2.84(313)9.35-0.1+1.31=10.56(314)0.21÷0.5×8=3.36(315)6.18-0.7×6=1.98(316)6.24-0.68×8=0.8(317)0.4+7.43-1.6=6.23(318)8.96×6-9.8=43.96(319)5.57÷0.2+5.96=33.81(320)3.4+7.68+8.49=19.57(321)4.89-1.05-2.43=1.41(322)3.41-4×0.76=0.37(323)9.54×7.5×4.8=343.44(324)8.5×4÷0.25=136(325)1.32÷0.6-0.13=2.07(326)7.35-4.95-0.62=1.78(327)2.25×73.2-2.25×3.2=157.5(328)7.64+1.24÷6.2=7.84(329)1.01+0.75+5.47=7.23(330)3.3×1.5×9.4=46.53(331)5.92×8-2.76=44.6(332)4.73+2.32×3.5=12.85(333)0.76×3+6.85=9.13(334)5.81-1.24×3=2.09(335)7.41÷0.26×3.9=111.15(336)1.85×8.2÷3.7=4.1(337)8.89-0.11-6.15=2.63(338)8.8÷2.2+9.1=13.1(339)3.19+8.55÷5.7=4.69(340)7.54÷0.29×0.32=8.32(341)6.31+8.21+6.62=21.14(342)9.62-2.04÷0.24=1.12(343)5.9×4-8.24=15.36(344)9.9+6.64+7.84=24.38(345)7×0.28+6.62=8.58(346)8.8÷4×6.7=14.74(347)0.7×14.2-0.7×4.2=7(348)1.11+1.28+1.12=3.51(349)5.69+3.03+3.15=11.87(350)1.25×0.52×0.4=0.26(351)7.4×90.2-7.4×0.2=666(352)5.41-1.36+0.25=4.3(353)9.15-3.63+7.27=12.79(354)3.2×5.95+3.2×4.05=32(355)6.12+8.77-2.27=12.62(356)5.45×88.6-5.45×8.6=436(357)7.14÷0.6×7.2=85.68(358)4×9.45+4×0.55=40(359)2.52÷1.5+2.64=4.32(360)4.37-0.69×3=2.3(361)2.01×6+8.16=20.22(362)9.6×2.3÷0.16=138(363)9.36-5.96-2.77=0.63(364)7.02÷0.12-1.17=57.33(365)9.12÷0.96-1.94=7.56(366)5.9-8.03÷2.2=2.25(367)9.18+5.5×2.9=25.13(368)0.75×33.6-0.75×3.6=22.5(369)1.25×6.24×0.08=0.624(370)5.32×56.5-5.32×6.5=266(371)8.98-0.5×1.7=8.13(372)2.97÷0.2+4.99=19.84(373)7.51×6-5.1=39.96(374)4.89-1.47-2.03=1.39(375)4.45×9×7.2=288.36(376)1.62×50-1.62×0=81(377)1.98÷1.8×4.4=4.84(378)7.17+2.08×2.5=12.37(379)5.25×8.6-9.75=35.4(380)5.93+5.84-3.82=7.95(381)4.37-0.53+9.54=13.38(382)4.45×9.6+4.45×0.4=44.5(383)2.99+0.34+8.19=11.52(384)3.85+3.9-7.51=0.24(385)4.76+7.78-7.5=5.04(386)9.68-4.89-2.34=2.45(387)5.08×8+5.6=46.24(388)0.5×1.46+0.5×8.54=5(389)6.71÷1.1-5.02=1.08(390)8.94+5.59-2.1=12.43(391)1.2×0.85-0.75=0.27(392)8.5×9.2+1.51=79.71(393)1.25×2.07×8=20.7(394)3.72÷0.75-3.62=1.34(395)9.1+6.27-3.74=11.63(396)1.31-0.11÷0.55=1.11(397)4.93÷0.85+3.72=9.52(398)9.19+9.17-6.29=12.07(399)9.24÷0.42×0.83=18.26(400)6.05×2.4-6.23=8.29(401)5.86×7.5+5.86×2.5=58.6(402)7.5×6.04+7.5×3.96=75(403)2.22÷0.6×1.6=5.92(404)8.16-4.8×0.5=5.76(405)3.56÷0.5+9.35=16.47(406)7.98+2.38-3.42=6.94(407)0.34÷0.25÷0.32=4.25(408)9.2×9.6+8.42=96.74(409)5.1×1.4+5.1×8.6=51(410)8.05+7.47÷0.18=49.55(411)5.95×77.2-5.95×7.2=416.5(412)2.85×6-2.87=14.23(413)2.43+6.91+9.82=19.16(414)1.74÷0.5÷1.2=2.9(415)5.28÷1.6×6=19.8(416)6×9.31+6×0.69=60(417)2.5×5.81×0.8=11.62(418)8.5×1.6+8.06=21.66(419)3.35×98.6-3.35×8.6=301.5(420)5.26×9+7.57=54.91(421)4.04+8.45+1.5=13.99(422)7.34+0.31+3.71=11.36(423)2.5×0.22×9.2=5.06(424)6.8÷1.7×0.65=2.6(425)9.75+4.83÷0.92=15(426)1.82+1.2+5.88=8.9(427)3.29-0.98+9.83=12.14(428)2.76÷2.3÷2.4=0.5(429)2.5×9.2×4=92(430)5.96-0.24÷0.6=5.56(431)7.73÷0.25+7.51=38.43(432)0.22+1.02×6.5=6.85(433)6.75×0.84÷3=1.89(434)1.49+4.7×1.1=6.66(435)9.18-2.75×2.4=2.58(436)7.2÷0.4÷0.2=90(437)5.06+5.17-7.29=2.94(438)7.95+9.88-7.55=10.28(439)1.06+6.8×2.6=18.74(440)1.84+4.14×2=10.12(441)1.53÷0.6÷0.34=7.5(442)3.34+7.7×0.5=7.19(443)0.13÷0.65×0.45=0.09(444)5.97×36-5.97×6=179.1(445)4.36×4.5÷6=3.27(446)2.55+5.46÷0.13=44.55(447)8.89×4÷0.2=177.8(448)5.33×3÷0.12=133.25(449)9.47+9.43+3.27=22.17(450)9.76-2.9-2.95=3.91(451)3.97-3.37+2.19=2.79(452)3.3×76.6-3.3×6.6=231(453)7.25×1.32+7.25×8.68=72.5(454)0.9÷0.15×0.16=0.96(455)5.67+8.93÷0.25=41.39(456)0.25×6.63×0.8=1.326(457)0.42+0.9×9.3=8.79(458)8.47-6.04+9.65=12.08(459)2.8×9.05+2.8×0.95=28(460)1.09+8.11-4.37=4.83(461)0.5×2.8÷5=0.28(462)6.36÷0.5+2.13=14.85(463)1.48÷7.4÷0.16=1.25(464)5.02+2.55-6.2=1.37(465)6.69÷3-1.92=0.31(466)7.3+0.92×2=9.14(467)3.69÷3-0.95=0.28(468)7.56÷0.3-3.26=21.94(469)3×8.4÷0.4=63(470)3.67-3.56×0.75=1(471)8.5×8.9-9.65=66(472)4.72×3.5-5.92=10.6(473)1.73-0.66-0.32=0.75(474)2.5×6.41×8=128.2(475)5.8×8.1÷0.87=54(476)3.42-2.86+8.05=8.61(477)3.25×1.76+3.25×8.24=32.5(478)0.39÷0.2+8.77=10.72(479)1.25×0.56×0.3=0.21(480)5.48-2.41+5.4=8.47(481)9.35÷0.11+8.93=93.93(482)1.4÷0.2-2.24=4.76(483)4.5÷3×8.9=13.35(484)7.57-3.17-4.23=0.17(485)7.4÷0.8÷3.7=2.5(486)8.64÷4÷0.2=10.8(487)8.55-3.2×0.6=6.63(488)6.3+2+2.36=10.66(489)6.05÷0.11÷0.22=250(490)2.4×5.5×4.4=58.08(491)5.76×5.5÷0.33=96(492)1.25×0.17×0.08=0.017(493)9.88÷0.52-6.1=12.9(494)8.03÷0.25+0.92=33.04(495)8.34×67.5-8.34×7.5=500.4(496)2.44×40-2.44×0=97.6(497)0.41+1.62÷4.5=0.77(498)2.5×3.44+2.5×6.56=25(499)5.76+0.52-3.04=3.24(500)5.42-0.58×2=4.26(501)1.25×4.45×4=22.25(502)4.71÷0.6÷0.2=39.25(503)7.7×2.8÷0.7=30.8(504)12.5×7.46×0.08=7.46(505)7.55+1.2×9.6=19.07(506)0.25×5.71×0.08=0.1142(507)3.04-0.72÷0.75=2.08(508)9.4×8.8×3.5=289.52(509)0.5×6.8-0.55=2.85(510)6.5×63.9-6.5×3.9=390(511)2.5×3.44×4=34.4(512)3.58×20.5-3.58×0.5=71.6(513)0.6×7.1+0.6×2.9=6(514)1.15+1.6×4.7=8.67(515)5.37+3.7×6=27.57(516)8×2×0.72=11.52(517)6.87+4.68+2.69=14.24(518)8÷0.5×0.34=5.44(519)0.13+7.5×9.6=72.13(520)3.67+0.2×7.5=5.17(521)4.03÷0.65+9.15=15.35(522)9×7.51+9×2.49=90(523)8.86×8-0.24=70.64(524)6.6×8.1+3.98=57.44(525)1.8÷4.5×3.9=1.56(526)9.29-6.2-2.52=0.57(527)3.4+0.66+1.67=5.73(528)2×6.7-8.51=4.89(529)8.12+5.95÷0.25=31.92(530)2.14×6+4.9=17.74(531)2.75×8.6×9=212.85(532)1.15÷0.25-0.65=3.95(533)3.21+9.83+2.96=16(534)5.23+6.09+8.17=19.49(535)5.52×78-5.52×8=386.4(536)8.76÷0.4-9.41=12.49(537)0.12+9.37+3.8=13.29(538)1.15×9.6+8.95=19.99(539)1.7-0.64×1.5=0.74(540)4.78-3.72÷0.93=0.78(541)7.2-4.94÷6.5=6.44(542)9.71-1.43-0.34=7.94(543)2.75×51.8-2.75×1.8=137.5(544)1.61-1.41÷0.94=0.11(545)5.27-9.64÷4=2.86(546)5.82+5.89-7.46=4.25(547)2.57-2.03-0.14=0.4(548)3.96-2.8+6.92=8.08(549)8.08-1.08÷0.2=2.68(550)0.35×6.6÷0.7=3.3(551)5.95×4.6+5.95×5.4=59.5(552)7.74÷0.75-8.57=1.75(553)6.04+8.64÷0.6=20.44(554)6.11-7.68÷6=4.83(555)7.24-0.22+2.31=9.33(556)9.18÷0.9÷6.8=1.5(557)4.2×4.65+4.2×5.35=42(558)7.28÷1.3×5.2=29