三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦

三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦356+15×6=6/10-1/10=888-162=375+23+364=956-(847+34)=148+219-201=396×2=395-268=272×8=206×2=136×3=566+506-25=197+226=164+292-428=348+28+362=992+962=109+(356-215)=816×8=536×(891-882)=207-58=368-101-92=611-191×3=482+14-178=482+701=477×2-399=298+296=158+(447-373)=140-(127-117)=788+715+449=386×9-813=544+(765-391)=455+(434-273)=112×9=297×2-353=276+375+65=148-(41+100)=939-319+665=849+(982-347)=819-199×2=333-(88+78)=442+206+589=312-(229+22)=630+911=154+636=870+718+510=461-317+199=369+(904-782)=241-(160+78)=523-437=195+163-127=342-(229-132)=999-(531+46)=4/7-2/7=152×2-155=982-52-12=613-140+231=132×6=218×(651-648)=129×5=222-(921-757)=1/4+2/4=717-(346-141)=228-17-82=80-(424-407)=501×2-838=296×(826-817)=298-15×6=63×8+100=160×4-469=397+233+222=139×2+852=599-(280+87)=229×(272-269)=50+(962-38)=269-(708-508)=147×4=376+70=472+(428-56)=685-(223+438)=872-584-280=108×6=138+274-40=422+987=310×6=370-287-25=984+785+58=103+297-395=265+(65-63)=782+635-898=766-(827-579)=257-(302-158)=968-336+77=412-26×3=18×7+447=884-(12+583)=2/6+3/6=33×6-140=454-29×3=50×4+415=614-(234+351)=338-105-139=958×2=253-(329-304)=834+905=605×9-94=291-37×3=581+633=898-226×2=364+108-113=167+729=394+217×2=467-58+437=980-(559+255)=870×3=2/8-1/8=274-37-183=21×(159-152)=226×(402-399)=590-192-153=102+57-41=339-164+90=302-142=200×(61-57)=882-820+695=145+(631-73)=211-(509-396)=121+803+26=324+474-262=609×7=873×7=380-(97+129)=73+251+247=369-27×3=140+646+63=535+(335-123)=94×6=106-(320-309)=509-(15+468)=504×9=119×(194-190)=478+73+34=455-(88+91)=793×(880-874)=888-144×5=933-58-777=42+226=956+133×6=266-123-107=487-316-32=489+761+636=295+63-186=307-69=598-75×4=966-(910-647)=4/10-1/10=741-127+89=401-145×2=149×6-366=309-78+126=273×3=372-284+327=184×(367-363)=927-429+306=13×5+707=493-32×8=145-14×4=174+(800-352)=404+992+455=924×3=766-215+371=177×4=225+560+193=88+117=389+230+60=132+176-146=955×(617-609)=841+112-679=381+87=187×(180-175)=365-25×8=313×3+513=172×3-98=594+170-449=326-153×2=827-(610-402)=588-146+393=734-365=208+151+236=240×(375-371)=175×5-746=70×5+206=247+123=45+539+369=198×6=461-(157-38)=499-(472-70)=94×5+249=311-257+70=60×(108-104)=561×(745-738)=69×2=960+622+977=80+597+69=5/8-2/8=822-136=427-187=382+142-464=424-223-151=164+425=398-129=194-(706-616)=241+180×5=246-106-60=576×(255-249)=838-(171+318)=346+(310-89)=422-(106+205)=503-(151+258)=281+54+19=475×3=831+148-203=729-(645-72)=458-(39+124)=440+304=258-168+388=5/7+2/7=450×2-45=316-112=36×(333-326)=262+414-58=93+162=19+556+375=250-99×2=811+131×7=275-241-18=228-142=618+93-130=226+164-337=18×(434-428)=4/6+2/6=908-212×4=204+112×3=753-(442+141)=57×5-53=703-569=400-106=404-40=809×3=216×4=658-(939-666)=48×9=2/6-1/6=813-(217+443)=212+87+371=70×(686-679)=306-116+238=736×2-371=55+128-126=991-29-918=295-34×2=374-284=125×2+440=160+156-116=721+531+962=718+229=370-79×3=307-(15+148)=462-(60+333)=268×2-159=43×(310-303)=759+354-267=552+478-276=276+(424-413)=913-(343+134)=176+(428-107)=816×6=96+(442-36)=1/6+2/6=430+343=193+457+649=931-202-482=837-87×4=440-121-242=513-40=250+23×6=244+110-166=553-136×2=257-110×2=917-315×2=942-52×5=570×5-666=468+(455-82)=398-138-80=787-226+931=406-44×7=672×8-907=376+66-248=760×3=437-178-82=554+995-319=416-84×2=244×7-43=356×(825-819)=378×2+548=230-140-78=709-163-407=164+931-709=73×5+370=164-(290-134)=141×4=438-(46+372)=161+(736-604)=173+91=977-(898-852)=145-78+128=4/6-1/6=466-(390-31)=547-450=903+898+147=285-(42-39)=992-(93+716)=435-(260-113)=107×(533-529)=936-(54+805)=422-100=17+387+28=327-170=567-15+426=339-305=494+(195-162)=390-(56+48)=888-(654+62)=180×3=513+260=458-(169+158)=935×9=500-198+183=361-254+307=63+96×2=149×6-203=897+978-513=418×5-433=718-79×2=247×4-216=375×2-187=131×(296-289)=111+155=1/10+6/10=189+213=226-44=183×2-275=153+717+127=946+446-191=416-37=582-541=3/8+4/8=338-32=141-19-95=524+780+688=600-(590-161)=52+91=528-282-83=770-475=349+428+176=197+38-204=161-116+42=697+434-315=92+383=618-177=197-100-24=343+73-188=364-354+327=106+371+263=259×7-875=96×9+816=5/6-1/6=842+(345-53)=105×(466-463)=652-328=275+(710-11)=257+54-226=191-65-44=126×(44-39)=121+(460-222)=250×4-494=904-(434+351)=109×8=96+(533-51)=397+87×4=2/4-1/4=886-472=187+274+31=683-474+481=355×(382-375)=313-(107-51)=655-76-151=217+(49-24)=106+296×3=633-292=379-255+235=736-139-321=809-562+194=126×5+89=603×(731-723)=15+140×3=252-136-33=830×3-748=106×7-251=172+(413-138)=335+255+376=315+(468-152)=910+495-949=526×6-396=623+(972-140)=96+824-833=890-91×5=242-78×2=848×(573-564)=470×2=826+497=325-(423-262)=522-217+591=113-(338-274)=434-89-17=127+570-376=629-253-147=123-39×3=374-65×4=460-85-201=162-84+73=443-(372-318)=247×4=604-280-245=329-(30+33)=326-(412-114)=85×9-133=104+238×2=867-(36+524)=358+643+968=15+(385-318)=457-45×8=351-148-56=878-(75+432)=893×3-683=248×4=451-(441-16)=109×(269-262)=61-34+455=117×5+517=413+(433-279)=430+499+42=825-130×6=281-53+271=432-297=881-179+869=737×(505-502)=366+577+708=302+(459-132)=137×5+996=20×(435-426)=419-(32+201)=4/7-1/7=76+109×7=53×7+713=294-11+355=185×4+231=499-321=76×(61-58)=311-285=38+293-202=475-40=227+129+259=175+157=288-52-38=904×8-174=430-(381+29)=55×(81-75)=764-46×6=749+225=384+(687-229)=260+76=459×(190-184)=244-19=427-(451-87)=612×7-374=658+386-487=656×(518-512)=233-(482-424)=364×3-377=964-536-208=141×7=374-151+244=34×9+485=996+510-500=60×7=435+50+382=40×(655-647)=307-(184-172)=985-(320+469)=372+568=893+121+113=436+(187-140)=193+227=124×9-814=703-(54+382)=659×(896-892)=922-(782-553)=561+164×2=597-(367-50)=253-(349-276)=99+239-303=112-20=295+60×9=44+362+537=90+101=843×(496-491)=294+349+284=928-(848-300)=413-133-93=157×4=546+51×4=671×9-241=433-290+630=976-932=299+57=283+64-76=359-(29+316)=643-151+187=633-47×4=685+912-986=613+(540-71)=763-151+528=767×(534-525)=127-(78+15)=432-(764-459)=468-36-256=257-128+188=546×7-291=765+163=990-294+406=252+238=729-33-300=420-(121+261)=388-(74+109)=356-76+160=194+391×2=833-132-581=386×2+661=690-385-284=777+(340-17)=596-53=108+219-234=75+346=5/8+2/8=473-292+59=133×6=886+584+823=449-95-315=344+153×4=229×2+194=224-(158-33)=536-(605-565)=894+380+436=919-358=57×9-465=879×8-438=905-125=444-282-134=129×5+88=160×(987-982)=169+449+626=388+(630-59)=184-143+116=228+272=221+117=70+87=152-(435-403)=91×(557-552)=89+422+17=63×(28-20)=375-42×3=41×7-20=66+179=760-96-288=965×4=639+(976-608)=862-17-758=438+510=281-187-93=424-24×3=475-53×7=638-107×3=849-(571+122)=220+148-38=829+30-92=455+(206-95)=584-111+561=461-119-108=280×8=659-56-194=233+(342-304)=566-(868-375)=468-211-179=304×3-58=323-239=651-(767-299)=311-105×2=867×9-398=119+(829-821)=22+150×5=879+323-369=58×9+840=34+(737-709)=697-180=195+157-194=796-10+69=211-172+97=427+(471-395)=458-42-151=809×(46-37)=882+997-294=996-565-231=264+270=888+228×2=898-(819-533)=60×5=456-179-82=204-124=153×5-551=650-98-223=329+289+72=4/8+3/8=3/6-2/6=228+466=28+385+89=24×9=385+92+206=22×4+443=360-106×2=817×9-873=336-10×3=906+(679-42)=340+94=416×4=315-23×7=65+266×3=225+37+207=240×4-434=490-111-49=313-10×7=451-14×3=135×2-144=51+113=459-119+251=147+172×2=259+230=482+233+28=351+73-194=385-125+164=172+(964-247)=316+330+29=64+20+696=259+(413-393)=217×(437-433)=216×4+645=462+(486-421)=414×6=249-202=460×2=236+420=136+561-225=433+45×2=71+244=483-133×3=871+741=284+(358-191)=274+29×4=29×(300-295)=222-185=950-(18+845)=461-(429-241)=38×8=316+(409-380)=89×8=158×5-259=395-(134-24)=979-405=325+167-71=461-(51+13)=153×(150-144)=864-18×5=4/6-2/6=560×4-388=36×(110-106)=756-81=309-(78+154)=275-143-98=67-23=141-92+450=463+(303-291)=143-61=526×(149-142)=623-(543-330)=704-(78+517)=386-(153+10)=437-(228+39)=119×3-237=391+(388-25)=545+259+137=218×3+473=163×4=223-(141+14)=724×6-750=22+867-467=948-558+309=264+12×7=243×(444-436)=327+164=69×6+310=855-429+966=722-(725-71)=237+509=137-22=61×6=487-(31+367)=353-(298-111)=947-526-332=498-(346-199)=665-(171+67)=450-(124+101)=238-(138+13)=114×(465-457)=769-681=835-43×5=422-(501-262)=139×(207-203)=726+290×3=3/10+6/10=104-(54+39)=88-59+418=138+46=127×7+90=68+(212-110)=455-(377-46)=118×(65-59)=699-373=172×3=499-460+217=489-155=401-386+331=424+145×3=67+315=243×7=472×2-263=306-40×5=411×6-433=359-(870-566)=374-266+288=245-10=613-77×5=767+(650-68)=159+340-132=41×(180-173)=117×2=76+22×2=392+993-933=436+(584-200)=366-122×3=263-(20+227)=763×7-822=47+180-55=974-769=498-(117+77)=11+413-305=81+204+701=870×9=953-368=440×(636-629)=78×5=887-76×4=162+256-189=826-174-239=563-(679-536)=727-379+464=926-(319+568)=136×4-118=349-(733-601)=649-149+969=256-27=110-(458-431)=363-35×3=380+(148-141)=290×2-323=369-119×2=111+308=16×(253-249)=32×5=24×(320-311)=766×4-127=437+(336-229)=1/5+2/5=102×9-149=284-13+186=541-(504-393)=556×7-594=753-194+910=344-234-73=177-68=66×3+314=581+(768-213)=812-164+134=229-26×8=337-52-189=687-226×2=267-(204-129)=35×7=745+878-813=56×(81-73)=171×(417-414)=4/10+6/10=46×8-106=605×3=310×(338-330)=548+857+167=907+(644-277)=330+533+375=171+222=498-254+44=865+(786-194)=193+(423-260)=415+128=359×3-46=832-137=435-396+360=479×2=897-(373+300)=486-298=123+876-644=33×7+127=702+(936-613)=316-224-24=476-(137-91)=960-(216+172)=211×2=327-(430-211)=418-74-275=462+90×5=766-108×5=153+563+284=439+343=571-253×2=287-(16+163)=483-43×7=883+85+531=91×7-364=678-55×9=459+(462-193)=18+27×8=96×6+83=188+207=451×(106-103)=62+316=16+252+234=124+402+312=參考答案356+15×6=4466/10-1/10=5/10888-162=726375+23+364=762956-(847+34)=75148+219-201=166396×2=792395-268=127272×8=2176206×2=412136×3=408566+506-25=1047197+226=423164+292-428=28348+28+362=738992+962=1954109+(356-215)=250816×8=6528536×(891-882)=4824207-58=149368-101-92=175611-191×3=38482+14-178=318482+701=1183477×2-399=555298+296=594158+(447-373)=232140-(127-117)=130788+715+449=1952386×9-813=2661544+(765-391)=918455+(434-273)=616112×9=1008297×2-353=241276+375+65=716148-(41+100)=7939-319+665=1285849+(982-347)=1484819-199×2=421333-(88+78)=167442+206+589=1237312-(229+22)=61630+911=1541154+636=790870+718+510=2098461-317+199=343369+(904-782)=491241-(160+78)=3523-437=86195+163-127=231342-(229-132)=245999-(531+46)=4224/7-2/7=2/7152×2-155=149982-52-12=918613-140+231=704132×6=792218×(651-648)=654129×5=645222-(921-757)=581/4+2/4=3/4717-(346-141)=512228-17-82=12980-(424-407)=63501×2-838=164296×(826-817)=2664298-15×6=20863×8+100=604160×4-469=171397+233+222=852139×2+852=1130599-(280+87)=232229×(272-269)=68750+(962-38)=974269-(708-508)=69147×4=588376+70=446472+(428-56)=844685-(223+438)=24872-584-280=8108×6=648138+274-40=372422+987=1409310×6=1860370-287-25=58984+785+58=1827103+297-395=5265+(65-63)=267782+635-898=519766-(827-579)=518257-(302-158)=113968-336+77=709412-26×3=33418×7+447=573884-(12+583)=2892/6+3/6=5/633×6-140=58454-29×3=36750×4+415=615614-(234+351)=29338-105-139=94958×2=1916253-(329-304)=228834+905=1739605×9-94=5351291-37×3=180581+633=1214898-226×2=446364+108-113=359167+729=896394+217×2=828467-58+437=846980-(559+255)=166870×3=26102/8-1/8=1/8274-37-183=5421×(159-152)=147226×(402-399)=678590-192-153=245102+57-41=118339-164+90=265302-142=160200×(61-57)=800882-820+695=757145+(631-73)=703211-(509-396)=98121+803+26=950324+474-262=536609×7=4263873×7=6111380-(97+129)=15473+251+247=571369-27×3=288140+646+63=849535+(335-123)=74794×6=564106-(320-309)=95509-(15+468)=26504×9=4536119×(194-190)=476478+73+34=585455-(88+91)=276793×(880-874)=4758888-144×5=168933-58-777=9842+226=268956+133×6=1754266-123-107=36487-316-32=139489+761+636=1886295+63-186=172307-69=238598-75×4=298966-(910-647)=7034/10-1/10=3/10741-127+89=703401-145×2=111149×6-366=528309-78+126=357273×3=819372-284+327=415184×(367-363)=736927-429+306=80413×5+707=772493-32×8=237145-14×4=89174+(800-352)=622404+992+455=1851924×3=2772766-215+371=922177×4=708225+560+193=97888+117=205389+230+60=679132+176-146=162955×(617-609)=7640841+112-679=274381+87=468187×(180-175)=935365-25×8=165313×3+513=1452172×3-98=418594+170-449=315326-153×2=20827-(610-402)=619588-146+393=835734-365=369208+151+236=595240×(375-371)=960175×5-746=12970×5+206=556247+123=37045+539+369=953198×6=1188461-(157-38)=342499-(472-70)=9794×5+249=719311-257+70=12460×(108-104)=240561×(745-738)=392769×2=138960+622+977=255980+597+69=7465/8-2/8=3/8822-136=686427-187=240382+142-464=60424-223-151=50164+425=589398-129=269194-(706-616)=104241+180×5=1141246-106-60=80576×(255-249)=3456838-(171+318)=349346+(310-89)=567422-(106+205)=111503-(151+258)=94281+54+19=354475×3=1425831+148-203=776729-(645-72)=156458-(39+124)=295440+304=744258-168+388=4785/7+2/7=1450×2-45=855316-112=20436×(333-326)=252262+414-58=61893+162=25519+556+375=950250-99×2=52811+131×7=1728275-241-18=16228-142=86618+93-130=581226+164-337=5318×(434-428)=1084/6+2/6=1908-212×4=60204+112×3=540753-(442+141)=17057×5-53=232703-569=134400-106=294404-40=364809×3=2427216×4=864658-(939-666)=38548×9=4322/6-1/6=1/6813-(217+443)=153212+87+371=67070×(686-679)=490306-116+238=428736×2-371=110155+128-126=57991-29-918=44295-34×2=227374-284=90125×2+440=690160+156-116=200721+531+962=2214718+229=947370-79×3=133307-(15+148)=144462-(60+333)=69268×2-159=37743×(310-303)=301759+354-267=846552+478-276=754276+(424-413)=287913-(343+134)=436176+(428-107)=497816×6=489696+(442-36)=5021/6+2/6=3/6430+343=773193+457+649=1299931-202-482=247837-87×4=489440-121-242=77513-40=473250+23×6=388244+110-166=188553-136×2=281257-110×2=37917-315×2=287942-52×5=682570×5-666=2184468+(455-82)=841398-138-80=180787-226+931=1492406-44×7=98672×8-907=4469376+66-248=194760×3=2280437-178-82=177554+995-319=1230416-84×2=248244×7-43=1665356×(825-819)=2136378×2+548=1304230-140-78=12709-163-407=139164+931-709=38673×5+370=735164-(290-134)=8141×4=564438-(46+372)=20161+(736-604)=293173+91=264977-(898-852)=931145-78+128=1954/6-1/6=3/6466-(390-31)=107547-450=97903+898+147=1948285-(42-39)=282992-(93+716)=183435-(260-113)=288107×(533-529)=428936-(54+805)=77422-100=32217+387+28=432327-170=157567-15+426=978339-305=34494+(195-162)=527390-(56+48)=286888-(654+62)=172180×3=540513+260=773458-(169+158)=131935×9=8415500-198+183=485361-254+307=41463+96×2=255149×6-203=691897+978-513=1362418×5-433=1657718-79×2=560247×4-216=772375×2-187=563131×(296-289)=917111+155=2661/10+6/10=7/10189+213=402226-44=182183×2-275=91153+717+127=997946+446-191=1201416-37=379582-541=413/8+4/8=7/8338-32=306141-19-95=27524+780+688=1992600-(590-161)=17152+91=143528-282-83=163770-475=295349+428+176=953197+38-204=31161-116+42=87697+434-315=81692+383=475618-177=441197-100-24=73343+73-188=228364-354+327=337106+371+263=740259×7-875=93896×9+816=16805/6-1/6=4/6842+(345-53)=1134105×(466-463)=315652-328=324275+(710-11)=974257+54-226=85191-65-44=82126×(44-39)=630121+(460-222)=359250×4-494=506904-(434+351)=119109×8=87296+(533-51)=578397+87×4=7452/4-1/4=1/4886-472=414187+274+31=492683-474+481=690355×(382-375)=2485313-(107-51)=257655-76-151=428217+(49-24)=242106+296×3=994633-292=341379-255+235=359736-139-321=276809-562+194=441126×5+89=719603×(731-723)=482415+140×3=435252-136-33=83830×3-748=1742106×7-251=491172+(413-138)=447335+255+376=966315+(468-152)=631910+495-949=456526×6-396=2760623+(972-140)=145596+824-833=87890-91×5=435242-78×2=86848×(573-564)=7632470×2=940826+497=1323325-(423-262)=164522-217+591=896113-(338-274)=49434-89-17=328127+570-376=321629-253-147=229123-39×3=6374-65×4=114460-85-201=174162-84+73=151443-(372-318)=389247×4=988604-280-245=79329-(30+33)=266326-(412-114)=2885×9-133=632104+238×2=580867-(36+524)=307358+643+968=196915+(385-318)=82457-45×8=97351-148-56=147878-(75+432)=371893×3-683=1996248×4=992451-(441-16)=26109×(269-262)=76361-34+455=482117×5+517=1102413+(433-279)=567430+499+42=971825-130×6=45281-53+271=499432-297=135881-179+869=1571737×(505-502)=2211366+577+708=1651302+(459-132)=629137×5+996=168120×(435-426)=180419-(32+201)=1864/7-1/7=3/776+109×7=83953×7+713=1084294-11+355=638185×4+231=971499-321=17876×(61-58)=228311-285=2638+293-202=129475-40=435227+129+259=615175+157=332288-52-38=198904×8-174=7058430-(381+29)=2055×(81-75)=330764-46×6=488749+225=974384+(687-229)=842260+76=336459×(190-184)=2754244-19=225427-(451-87)=63612×7-374=3910658+386-487=557656×(518-512)=3936233-(482-424)=175364×3-377=715964-536-208=220141×7=987374-151+244=46734×9+485=791996+510-500=100660×7=420435+50+382=86740×(655-647)=320307-(184-172)=295985-(320+469)=196372+568=940893+121+113=1127436+(187-140)=483193+227=420124×9-814=302703-(54+382)=267659×(896-892)=2636922-(782-553)=693561+164×2=889597-(367-50)=280253-(349-276)=18099+239-303=35112-20=92295+60×9=83544+362+537=94390+101=191843×(496-491)=4215294+349+284=927928-(848-300)=380413-133-93=187157×4=628546+51×4=750671×9-241=5798433-290+630=773976-932=44299+57=356283+64-76=271359-(29+316)=14643-151+187=679633-47×4=445685+912-986=611613+(540-71)=1082763-151+528=1140767×(534-525)=6903127-(78+15)=34432-(764-459)=127468-36-256=176257-128+188=317546×7-291=3531765+163=928990-294+406=1102252+238=490729-33-300=396420-(121+261)=38388-(74+109)=205356-76+160=440194+391×2=976833-132-581=120386×2+661=1433690-385-284=21777+(340-17)=1100596-53=543108+219-234=9375+346=4215/8+2/8=7/8473-292+59=240133×6=798886+584+823=2293449-95-315=39344+153×4=956229×2+194=652224-(158-33)=99536-(605-565)=496894+380+436=1710919-358=56157×9-465=48879×8-438=6594905-125=780444-282-134=28129×5+88=733160×(987-982)=800169+449+626=1244388+(630-59)=959184-143+116=157228+272=500221+117=33870+87=157152-(435-403)=12091×(557-552)=45589+422+17=52863×(28-20)=504375-42×3=24941×7-20=26766+179=245760-96-288=376965×4=3860639+(976-608)=1007862-17-758=87438+510=948281-187-93=1424-24×3=352475-53×7=104638-107×3=317849-(571+122)=156220+148-38=330829+30-92=767455+(206-95)=566584-111+561=1034461-119-108=234280×8=2240659-56-194=409233+(342-304)=271566-(868-375)=73468-211-179=78304×3-58=854323-239=84651-(767-299)=183311-105×2=101867×9-398=7405119+(829-821)=12722+150×5=772879+323-369=83358×9+840=136234+(737-709)=62697-180=517195+157-194=158796-10+69=855211-172+97=136427+(471-395)=503458-42-151=265809×(46-37)=7281882+997-294=1585996-565-231=200264+270=534888+228×2=1344898-(819-533)=61260×5=300456-179-82=195204-124=80153×5-551=214650-98-223=329329+289+72=6904/8+3/8=7/83/6-2/6=1/6228+466=69428+385+89=50224×9=216385+92+206=68322×4+443=531360-106×2=148817×9-873=6480336-10×3=306906+(679-42)=1543340+94=434416×4=1664315-23×7=15465+266×3=863225+37+207=469240×4-434=526490-111-49=330313-10×7=243451-14×3=409135×2-144=12651+113=164459-119+251=591147+172×2=491259+230=489482+233+28=743351+73-194=230385-125+164=424172+(964-247)=889316+330+29=67564+20+696=780259+(413-393)=279217×(437-433)=868216×4+645=1509462+(486-421)=527414×6=2484249-202=47460×2=920236+420=656136+561-225=472433+45×2=52371+244=315483-133×3=84871+741=1612284+(358-191)=451274+29×4=39029×(300-295)=145222-185=37950-(18+845)=87461-(429-241)=27338×8=304316+(409-380)=34589×8=712158×5-259=531395-(134-24)=285979-405=574325+167-71=421461-(51+13)=397153×(150-144)=918864-18×5=7744/6-2/6=2/6560×4-388=185236×(110-106)=144756-81=675309-(78+154)=77275-143-98=3467-23=44141-92+450=499463+(303-291)=475143-61=82526×(149-142)=3682623-(543-330)=410704-(78+517)=109386-(153+10)=223437-(228+39)=170119×3-237=120391+(388-25)=754545+259+137=941218×3+473=1127163×4=6522