三年級數(shù)學(上)計算題專項練習附答案集錦

三年級數(shù)學(上)計算題專項練習附答案集錦491-26-177=75+331=69+(871-631)=898-(45+223)=349+14×6=731-(578-243)=777-(930-526)=236-203+459=317+54-11=255+48=701-69-422=2/7+3/7=612+348-649=24×3=331-12×3=277-(60+169)=244+503=644-175-137=684+297+10=491-(240+181)=354-218=486-(905-580)=219+323=22×(471-468)=293+130=152×2=775-65-264=778-504-236=500×(220-214)=420-10×8=761×(918-913)=624-103-100=99×8-299=365-31×3=139×3=797-(943-202)=42-(309-271)=1/3+2/3=417-318+63=920+332=885-86×9=967-812-37=24×9+237=470-199×2=821+935-658=85×4=1/6+2/6=79+444×2=254×3+562=823-144+721=157×4=248-(421-302)=550+95=183×2-160=201×5-284=433-366+406=4/6-1/6=475+(393-235)=232+(385-253)=283-(330-89)=578+419=525×5-320=797-(349+274)=533-94×2=595-51=321×6=418-331-61=134+25×2=940+(932-599)=145+605=169×5=694+533+194=493-478=412-56-253=588+(783-552)=472+208×3=465-434=485-331=415-(260+20)=397+261+956=236-(410-322)=992-341=264+679-574=429+16+430=228-79+222=279-(280-191)=145×3-412=369-(11+137)=949-(686+244)=413-44=266+195+327=621×4=686-384-252=92-(253-235)=382-80×2=815+641=186×5=389-305=358+222×4=247+150-163=707+923-582=367-(420-339)=145+348-461=925×(890-882)=486×3-226=939-93-166=411×9=250×(13-10)=441+803+659=858-(257+212)=409×2-663=939-(251-230)=225-28×8=372-(136+154)=132+121-83=886+(833-590)=966+105-966=970×4=207+143-297=305×3-771=75+293-189=443-218×2=932-494-175=609×6=368+(327-290)=686-11×8=337-(127+107)=138+262×3=686-75+990=340-66×3=341+144-156=270+216+506=412-(365-300)=334+(658-616)=121×8-588=3/4-1/4=633+834-770=160×(392-388)=752×(675-671)=390+225+314=117×(147-144)=479-30-97=399-139=572×(154-147)=395-328=168-101-12=393-102-39=496-(11+47)=134×(372-369)=955×8=269-214+353=220-14-17=425×2+925=489-(85+397)=40×3=466-160-127=178+99-157=259-96×2=635+(934-167)=94+239-90=770×9-824=100×(181-175)=648×7-100=213×(576-570)=57×5+450=289+93=181×5-16=140×(150-145)=471-(95+52)=951-580+430=168×(653-647)=915-45×7=935-701+897=450-65-219=252+(615-394)=294×3=879-(66-55)=553-429=746+46+146=306+16+29=197×(534-526)=770+683+101=22×2+76=443+86=587-549+828=118×2-115=348-30×3=938+471=221-39×5=102-25×2=289+736+720=4/10+3/10=109+54=200-(215-161)=749+44+733=239+247=712+512+836=940-891+249=230+(327-224)=84+547+178=47×(105-99)=731-(415+302)=444-(323+68)=130+504=548+(432-194)=126×5+211=163+154-149=226-191+451=289-37×3=446-58-26=738-104×5=285-150-44=121+183+214=747-(996-754)=462-425=371-(365-288)=938-308-227=100×2=307+(210-40)=230+274+461=173+255-56=355-(88+33)=533+323-689=306+938-328=590-12×2=415-62-119=304-167=475-(38+291)=884+529-367=294×(477-474)=247+143×3=445-72=97×2=97-75=987-347-373=149-(473-429)=892+732+182=460-18×6=209×7-256=435-(55+12)=345+(425-77)=237-168=474-(376-105)=428-95×2=194-163+54=328+120-289=793×3-627=179+306+495=540×8=271-43=217-(139+62)=35×4+611=125×2-66=52+112-74=163-(977-897)=347-(98+221)=783×(697-691)=789-244+141=976-202+181=785×8=719×(711-708)=184×7=50+(38-14)=27+128=141-15×8=878-55×6=277+(783-723)=421-(43+320)=474-(93+36)=907+185-979=178×4-663=99×8+923=790-(29+350)=933-192+554=160+774+168=17×8=273-68=348-19=452-13×9=922-812+324=22+(934-494)=4/7-2/7=37×3=277+62×9=616×(58-53)=328-(462-360)=973-788=452-50-211=810-(59+427)=713-296+369=163×3-148=370+130=330-301+179=382+(486-93)=341-87×3=220+506-565=238-(239-121)=62+(760-685)=427×7=228+985+438=730×(36-33)=507-(124+275)=358+716+577=5/7+2/7=701-66×8=485-468=263-19+36=144×6-719=56×(360-352)=283+156-414=133+363=681-(958-732)=40×9+117=126+346=908-55×3=490-485+275=888-(633+86)=165-17×4=163×5=193+108+141=461-275-47=172-(306-219)=99×(231-227)=256-49×2=449-95=990-(188+718)=905×6=14×7+318=444-298=345-54×4=293+588-605=918-(35+783)=567-156-404=345-(225+73)=311+140=459-(338-223)=648×2=664-497=59+291=740-(193+274)=23×5+68=995-539+370=407-(11+197)=166+(278-245)=927-208+929=570+487=296+(220-179)=205-(311-154)=94-16×3=400-117=253-45×5=181+(770-403)=157+622-456=929-259=806-(56+199)=149+179=265+(404-79)=951-(425-149)=3/5-2/5=760-(498+101)=875-51×3=105+225+549=175+(372-147)=2/6-1/6=109×8=298-151=625+21+93=795+(859-706)=505+417+672=426-72×5=610×2=96×(166-161)=805+529-14=278+208=845×(707-700)=109+197=236+42×5=325-(23+200)=692-(97+518)=547×6=494-58-373=110+307-332=669+(502-438)=975+(622-582)=387-175+66=354+119×3=490-(224+190)=414×2=95×4=456-26-116=858-58=92×6+362=322-259=955+(945-474)=383+767+319=295×2=391+52-95=39×6-22=208+136-211=411+26×7=331-199=365-110-82=553-68+506=721-(754-33)=79×(294-289)=24×4+260=765+934=343×2-618=374-312+313=366-207+279=396-220-108=200-10×4=58×6-70=328+90-334=774-(570-95)=977-(608-289)=457+145=692-(219+419)=639×9-844=262-215+43=102×9+409=390+238+53=40+235=968+(474-170)=95+139=937-701=461-22=37+151×4=96+343-208=406-271+94=499-24×4=816-(730-116)=935+575+143=112×(488-482)=867-(245-183)=385×2+153=210+41-104=491+719-980=359-(196-162)=313+183-185=3/7-2/7=336-73-109=697-150×2=728×(988-982)=69+232-193=217+192+288=356+27-274=581+702=363-205=188+256=93×4+130=741-165=904-821+141=263+(337-245)=697-564+327=846-646-195=173+(386-238)=170×5+149=899+740+668=291+180=277-(120+57)=113×(442-437)=6/10-4/10=5/7-1/7=673×(808-803)=418-89-319=16×(385-376)=729-153×3=675-24=414-(160-49)=65+360×2=484-457=353-273+960=701-79×4=299+200-24=670-72×4=375-12-328=894-706+576=141×(281-277)=550+199+113=47×(387-382)=327+672-582=108+417+566=226-212+291=254+11+989=995-191-123=668-53×3=139×7=737×9-166=760+426+80=2/9+4/9=293+(395-154)=954+534-829=239-29=978+185+252=108×5=444-(165+219)=895-607+45=304-155=448-91=249+(617-247)=453-(76+115)=123×(345-337)=303+(498-86)=912-(708+123)=955-(27+52)=425+(390-320)=734×2-556=296×(474-466)=709-531+217=634-(119+129)=464-225-44=412-(103-55)=316×2-276=695×(383-379)=257×2=44+(192-122)=352×3-123=863-795+73=271-(740-649)=889×8-667=554-143×2=889+218+428=309-195+82=52+(439-60)=925-(436-219)=235+178=369+(252-163)=360-334+347=198×4-90=208-38-143=1/5+2/5=69+703+321=973-183=477+11-163=142+317=277+305=11×(61-58)=112×7=343-14×8=401+(483-226)=366×2-321=473-249=231-12=682-(953-419)=552-(116+36)=544+445=222-130+954=855-295+781=424+(439-104)=553×4-488=901-34-646=211+(484-365)=452×2=365×2-241=885-(482+395)=58+238-193=130+22×5=719-71×5=495-49×2=294+418=151×4=897-294+971=782+27×9=577×5=93×(307-301)=896×(533-530)=368+119+381=906+517-496=369+164+29=306-16×3=150+33=731×3-609=442-(71+87)=254-143+347=517-(834-370)=840×9=51×(106-100)=200-(73+52)=100×8-397=934+451=308+89=767-130×2=67+103=338+137-219=75×5=22×3+303=139×7-673=280-82-64=215×3=866-79×8=22×8-17=15+705-599=827+133-504=215+121-43=276+(927-160)=419-388+231=140×(478-469)=735-312=331-(142+81)=68×(494-487)=50+25=365×8-944=2/3-1/3=401×2-219=663×8=136+351-105=419-(207-110)=145+(486-171)=92×5=420-172-137=245+103×4=20+(432-223)=2/8+4/8=574-(448+105)=382-17×8=868×(138-129)=624-21×7=206×3=795×4-694=187×2+910=24×5=93×2=95×(31-27)=845-(335+53)=773-447=395-133-91=392+308+134=316+467+943=428-42×3=705×9-931=702-(214+287)=436-(172-38)=153×4=370-(330-50)=693-20×2=298-181+154=62×(330-321)=345-(237-45)=1/8+2/8=418-345+148=625+126×4=93+(436-213)=197×6=356+(264-155)=650-198+878=291+519=132+(596-578)=600×2=408-203-85=705×4-180=492-30-406=247+328×2=252×5-970=659+237×4=192-59×2=392+(469-368)=395-99+108=256×(124-119)=155+240+550=493-170×2=321+315+157=113×(166-158)=995×2=905-385=864+(897-260)=264-(136+51)=490+49×4=95×4+556=43×(946-937)=906+571-156=244-(115-37)=596-43=908×5=66-26=732+50×5=429+26×7=851-580=256+147×4=311+107=487-289=258+59+149=358+90×9=491+(325-178)=829-(473-180)=419+329=183×(330-325)=547+294-597=62-(498-448)=323+175-15=859-96-759=96+(366-209)=42+92×5=890×7-427=334×5-573=248-(477-251)=482-196=572+759-226=482-(127-107)=19+88+491=281+54=175×2-139=238×5-77=444-344=76+134+436=907+277-498=206+175=2/8+5/8=107×8-675=333-(337-242)=116+311-226=248-(344-164)=591×8=387-32-28=265+59=320-(350-228)=247-114-79=655+86×5=189×5=877×(258-254)=494-360+154=696×9-621=423-111×2=103×6=197-93+135=573-(517-470)=167-101+179=156-44×3=104×4-204=191-(240-76)=704-(348+189)=241+340×2=374-23×5=790-(545-492)=173-149+28=189-172=701+28+590=212×3-17=816-409-333=101+342=428-150=986-195×3=263×5=175×8-623=950-209-225=597-359=475-42-270=664-(608-263)=189+(266-260)=112×3-318=878+343=951-(924-565)=328+(436-432)=5/8+2/8=270-(306-262)=72+132+583=81+66+109=996-300-425=617-51=388+511+74=11×4+257=109×9+943=634-407-83=133-65+54=27×(296-288)=221×4+86=221+145=73-71+10=19×5+371=178-154+81=132×(472-469)=147×4+162=24+(360-236)=362+165+35=134-33+212=409-394+385=902×3=736-102×7=259×2=60+126+523=557+941+611=144+187×2=806+985=706×9-783=95+376+228=43×(426-421)=72×7-277=251+186=496-118-94=91+100+542=360×3-566=317+26×4=115×6-71=879-800+744=115+(357-351)=392-(14+274)=111+132×3=813+353=433-(193-23)=112+35=214+235-173=77×(321-313)=280×(395-392)=784+(250-100)=816-12=359+116-22=467+(171-60)=743+742+748=773-94-556=905+(983-115)=213+595+194=2/4-1/4=280-31+39=763×(369-361)=244+742=70×3+12=413-(271+12)=485-360=412×(510-502)=321×2+170=432-383-43=821+313-804=422-291=4/5-1/5=215×2+239=37+81+408=262+178=479×2-381=296+705-984=571+(842-562)=282-(195-13)=98×6=152×5-406=131+175=454-376-30=60+367-89=3/6-2/6=452-372-30=348-(740-456)=179-118=158×(39-34)=491-(53+367)=71×5+156=977-424-402=370-358=31×9-211=276-(16+39)=682-263×2=408+(433-253)=129×2+556=71×(62-58)=600+154=473-269-203=246×4=967-334-561=952-165-191=193+691+59=277×(268-265)=98×7-445=905-(194+91)=848-(198+187)=1/7+5/7=765-378+799=969-(601+322)=參考答案491-26-177=28875+331=40669+(871-631)=309898-(45+223)=630349+14×6=433731-(578-243)=396777-(930-526)=373236-203+459=492317+54-11=360255+48=303701-69-422=2102/7+3/7=5/7612+348-649=31124×3=72331-12×3=295277-(60+169)=48244+503=747644-175-137=332684+297+10=991491-(240+181)=70354-218=136486-(905-580)=161219+323=54222×(471-468)=66293+130=423152×2=304775-65-264=446778-504-236=38500×(220-214)=3000420-10×8=340761×(918-913)=3805624-103-100=42199×8-299=493365-31×3=272139×3=417797-(943-202)=5642-(309-271)=41/3+2/3=1417-318+63=162920+332=1252885-86×9=111967-812-37=11824×9+237=453470-199×2=72821+935-658=109885×4=3401/6+2/6=3/679+444×2=967254×3+562=1324823-144+721=1400157×4=628248-(421-302)=129550+95=645183×2-160=206201×5-284=721433-366+406=4734/6-1/6=3/6475+(393-235)=633232+(385-253)=364283-(330-89)=42578+419=997525×5-320=2305797-(349+274)=174533-94×2=345595-51=544321×6=1926418-331-61=26134+25×2=184940+(932-599)=1273145+605=750169×5=845694+533+194=1421493-478=15412-56-253=103588+(783-552)=819472+208×3=1096465-434=31485-331=154415-(260+20)=135397+261+956=1614236-(410-322)=148992-341=651264+679-574=369429+16+430=875228-79+222=371279-(280-191)=190145×3-412=23369-(11+137)=221949-(686+244)=19413-44=369266+195+327=788621×4=2484686-384-252=5092-(253-235)=74382-80×2=222815+641=1456186×5=930389-305=84358+222×4=1246247+150-163=234707+923-582=1048367-(420-339)=286145+348-461=32925×(890-882)=7400486×3-226=1232939-93-166=680411×9=3699250×(13-10)=750441+803+659=1903858-(257+212)=389409×2-663=155939-(251-230)=918225-28×8=1372-(136+154)=82132+121-83=170886+(833-590)=1129966+105-966=105970×4=3880207+143-297=53305×3-771=14475+293-189=179443-218×2=7932-494-175=263609×6=3654368+(327-290)=405686-11×8=598337-(127+107)=103138+262×3=924686-75+990=1601340-66×3=142341+144-156=329270+216+506=992412-(365-300)=347334+(658-616)=376121×8-588=3803/4-1/4=2/4633+834-770=697160×(392-388)=640752×(675-671)=3008390+225+314=929117×(147-144)=351479-30-97=352399-139=260572×(154-147)=4004395-328=67168-101-12=55393-102-39=252496-(11+47)=438134×(372-369)=402955×8=7640269-214+353=408220-14-17=189425×2+925=1775489-(85+397)=740×3=120466-160-127=179178+99-157=120259-96×2=67635+(934-167)=140294+239-90=243770×9-824=6106100×(181-175)=600648×7-100=4436213×(576-570)=127857×5+450=735289+93=382181×5-16=889140×(150-145)=700471-(95+52)=324951-580+430=801168×(653-647)=1008915-45×7=600935-701+897=1131450-65-219=166252+(615-394)=473294×3=882879-(66-55)=868553-429=124746+46+146=938306+16+29=351197×(534-526)=1576770+683+101=155422×2+76=120443+86=529587-549+828=866118×2-115=121348-30×3=258938+471=1409221-39×5=26102-25×2=52289+736+720=17454/10+3/10=7/10109+54=163200-(215-161)=146749+44+733=1526239+247=486712+512+836=2060940-891+249=298230+(327-224)=33384+547+178=80947×(105-99)=282731-(415+302)=14444-(323+68)=53130+504=634548+(432-194)=786126×5+211=841163+154-149=168226-191+451=486289-37×3=178446-58-26=362738-104×5=218285-150-44=91121+183+214=518747-(996-754)=505462-425=37371-(365-288)=294938-308-227=403100×2=200307+(210-40)=477230+274+461=965173+255-56=372355-(88+33)=234533+323-689=167306+938-328=916590-12×2=566415-62-119=234304-167=137475-(38+291)=146884+529-367=1046294×(477-474)=882247+143×3=676445-72=37397×2=19497-75=22987-347-373=267149-(473-429)=105892+732+182=1806460-18×6=352209×7-256=1207435-(55+12)=368345+(425-77)=693237-168=69474-(376-105)=203428-95×2=238194-163+54=85328+120-289=159793×3-627=1752179+306+495=980540×8=4320271-43=228217-(139+62)=1635×4+611=751125×2-66=18452+112-74=90163-(977-897)=83347-(98+221)=28783×(697-691)=4698789-244+141=686976-202+181=955785×8=6280719×(711-708)=2157184×7=128850+(38-14)=7427+128=155141-15×8=21878-55×6=548277+(783-723)=337421-(43+320)=58474-(93+36)=345907+185-979=113178×4-663=4999×8+923=1715790-(29+350)=411933-192+554=1295160+774+168=110217×8=136273-68=205348-19=329452-13×9=335922-812+324=43422+(934-494)=4624/7-2/7=2/737×3=111277+62×9=835616×(58-53)=3080328-(462-360)=226973-788=185452-50-211=191810-(59+427)=324713-296+369=786163×3-148=341370+130=500330-301+179=208382+(486-93)=775341-87×3=80220+506-565=161238-(239-121)=12062+(760-685)=137427×7=2989228+985+438=1651730×(36-33)=2190507-(124+275)=108358+716+577=16515/7+2/7=1701-66×8=173485-468=17263-19+36=280144×6-719=14556×(360-352)=448283+156-414=25133+363=496681-(958-732)=45540×9+117=477126+346=472908-55×3=743490-485+275=280888-(633+86)=169165-17×4=97163×5=815193+108+141=442461-275-47=139172-(306-219)=8599×(231-227)=396256-49×2=158449-95=354990-(188+718)=84905×6=543014×7+318=416444-298=146345-54×4=129293+588-605=276918-(35+783)=100567-156-404=7345-(225+73)=47311+140=451459-(338-223)=344648×2=1296664-497=16759+291=350740-(193+274)=27323×5+68=183995-539+370=826407-(11+197)=199166+(278-245)=199927-208+929=1648570+487=1057296+(220-179)=337205-(311-154)=4894-16×3=46400-117=283253-45×5=28181+(770-403)=548157+622-456=323929-259=670806-(56+199)=551149+179=328265+(404-79)=590951-(425-149)=6753/5-2/5=1/5760-(498+101)=161875-51×3=722105+225+549=879175+(372-147)=4002/6-1/6=1/6109×8=872298-151=147625+21+93=739795+(859-706)=948505+417+672=1594426-72×5=66610×2=122096×(166-161)=480805+529-14=1320278+208=486845×(707-700)=5915109+197=306236+42×5=446325-(23+200)=102692-(97+518)=77547×6=3282494-58-373=63110+307-332=85669+(502-438)=733975+(622-582)=1015387-175+66=278354+119×3=711490-(224+190)=76414×2=82895×4=380456-26-116=314858-58=80092×6+362=914322-259=63955+(945-474)=1426383+767+319=1469295×2=590391+52-95=34839×6-22=212208+136-211=133411+26×7=593331-199=132365-110-82=173553-68+506=991721-(754-33)=079×(294-289)=39524×4+260=356765+934=1699343×2-618=68374-312+313=375366-207+279=438396-220-108=68200-10×4=16058×6-70=278328+90-334=84774-(570-95)=299977-(608-289)=658457+145=602692-(219+419)=54639×9-844=4907262-215+43=90102×9+409=1327390+238+53=68140+235=275968+(474-170)=127295+139=234937-701=236461-22=43937+151×4=64196+343-208=231406-271+94=229499-24×4=403816-(730-116)=202935+575+143=1653112×(488-482)=672867-(245-183)=805385×2+153=923210+41-104=147491+719-980=230359-(196-162)=325313+183-185=3113/7-2/7=1/7336-73-109=154697-150×2=397728×(988-982)=436869+232-193=108217+192+288=697356+27-274=109581+702=1283363-205=158188+256=44493×4+130=502741-165=576904-821+141=224263+(337-245)=355697-564+327=460846-646-195=5173+(386-238)=321170×5+149=999899+740+668=2307291+180=471277-(120+57)=100113×(442-437)=5656/10-4/10=2/105/7-1/7=4/7673×(808-803)=3365418-89-319=1016×(385-376)=144729-153×3=270675-24=651414-(160-49)=30365+360×2=785484-457=27353-273+960=1040701-79×4=385299+200-24=475670-72×4=382375-12-328=35894-706+576=764141×(281-277)=564550+199+113=86247×(387-382)=235327+672-582=417108+417+566=1091226-212+291=305254+11+989=1254995-191-123=681668-53×3=509139×7=973737×9-166=6467760+426+80=12662/9+4/9=6/9293+(395-154)=534954+534-829=659239-29=210978+185+252=1415108×5=540444-(165+219)=60895-607+45=333304-155=149448-91=357249+(617-247)=619453-(76+115)=262123×(345-337)=984303+(498-86)=715912-(708+123)=81955-(27+52)=876425+(390-320)=495734×2-556=912296×(474-466)=2368709-531+217=395634-(119+129)=386464-225-44=195412-(103-55)=364316×2-276=356695×(383-379)=2780257×2=51444+(192-122)=114352×3-123=933863-795+73=141271-(740-649)=180889×8-667=6445554-143×2=268889+218+428=1535309-195+82=19652+(439-60)=431925-(436-219)=708235+178=413369+(252-163)=458360-334+347=373198×4-90=702208-38-143=271/5+2/5=3/569+703+321=1093973-183=790477+11-163=325142+317=459277+305=58211×(61-58)=33112×7=784343-14×8=231401+(483-226)=658366×2-321=411473-249=224231-12=219682-(953-419)=148552-(116+36)=400544+445=989222-130+954=1046855-295+781=1341424+(439-104)=759553×4-488=1724901-34-646=221211+(484-365)=330452×2=904365×2-241=489885-(482+395)=858+238-193=103130+22×5=240719-71×5=364495-49×2=397294+418=712151×4=604897-294+971=1574782+27×9=1025577×5=288593×(307-301)=558896×(533-530)=2688368+119+381=868906+517-496=927369+164+29=562306-16×3=258150+33=183731×3-609=1584442-(71+87)=284254-143+347=458517-(834-370)=53840×9=756051×(106-100)=306200-(73+52)=75100×8-397=403934+451=1385308+89=397767-130×2=50767+103=170338+137-219=25675×5=37522×3+303=369139×7-673=300280-82-64=134215×3=645866-79×8=23422×8-17=15915+705-599=121827+133-504=456215+121-43=293276+(927-160)=1043419-388+231=262140×(478-469)=1260735-312=423331-(142+81)=10868×(494-487)=47650+25=75365×8-944=19762/3-1/3=1/3401×2-219=583663×8=5304136+351-105=382419-(207-110)=322145+(486-171)=46092×5=460420-172-137=111245+103×4=65720+(432-223)=2292/8+4/8=6/8574-(448+105)=21382-17×8=246868×(138-129)=7812624-21×7=477206×3=618795×4-694=2486187×2+910=128424×5=12093×2=18695×(31-27)=380845-(335+53)=457773-447=326395-133-91=171392+308+134=834316+467+943=1726428-42×3=302705×9-931=5414702-(214+287)=201436-(172-38)=302153×4=612370-(330-50)=90693-20×2=653298-181+154=27162×(330-321)=558345-(237-45)=1531/8+2/8=3/8418-345+148=221625+126×4=112993+(436-213)=316197×6=1182356+(264-155)=465650-198+878=1330291+519=810132+(596-578)=150600×2=1200408-203-85=120705×4-180=2640492-30-406=56247+328×2=903252×5-970=290659+237×4=1607192-59×2=74392+(469-368)=493395-99+108=404256×(124-119)=1280155+240+550=945493-170×2=153321+315+157=793113×(166-158)=904995×2=1990905-385=520864+(897-260)=1501264-(136+51)=77490+49×4=68695×4+556=93643×(946-937)=387906+571-156=1321244-(115-37)=166596-43=553908×5=454066-26=40732+50×5=982429+26×7=611851-580=271256+147×4=844311+107=418487-289=198258+59+149=466358+90×9=1168491+(325-178)=638829-(473-180)=536419+329=748183×(330-325)=915547+294-597=24462-(498-448)=12323+175-15=483859-96-759=496+(366-209)=25342+92×5=502890×7-427=5803334×5-573=1097248-(477-251)=22482-196=286572+759-226=1105482-(127-107)=46219+88+491=598281+54=335175×2-139=211238×5-77=1113444-344=10076+134+436=646907+277-498=686206+175=3812/8+5/8=7/8107×8-675=181333-(337-2