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813+347+448=108×(293-290)=286×6-502=197-22×2=277+(483-124)=410-18×5=408-130-209=646-(93+359)=820+727+300=325+82=378-(171+154)=843+683-642=92×5=75×2=226-124=774+(356-15)=278-255-19=13+22=687+282+218=241-119-98=852-561-75=5/7-1/7=469-135-318=500-(357-348)=426-35×5=224+178×2=627+488-512=980-837+763=131×(50-44)=493-327-52=277×2-308=202+394+270=204+357+329=359-(22+253)=147×3-185=341+147=424-34×6=88+38=296+170=461-104×2=116+295-78=418-86-189=470+262=80-(31-30)=836+(958-782)=399-272+201=176+869-618=122+(366-262)=134+70-201=963-410=40+22+311=109×3=253-170=428-319=387-319+158=210-129=59+(701-578)=67×3+45=507×(901-892)=469+(979-745)=320-(364-88)=394-(321-105)=13×8-16=641-519+606=254+215=489-337=717-258=729×(537-532)=478-(23+442)=610-136-98=927-104-648=672-668+92=176×2+445=461-66×3=731×(679-672)=246×3=2/4-1/4=203+(401-29)=115×8=248-229+427=267-(374-159)=808-384×2=120+895-336=257+152=519+702-268=428-42-179=997-(498-24)=877-21-203=188+251-67=145+427+116=617×3-561=377-230=815-(128+321)=80×7=467+(342-278)=393-273-47=280-(322-299)=355-256=78+129×4=415-221+219=28+17=264-97-58=206-29×3=449-(14+140)=234-106-95=206+160=310×3=945-(283+459)=219+55×4=401-(362+38)=928-(56+487)=529×4=2/8+4/8=972×(883-878)=51-40=170×4+135=107+(375-203)=86+290=954-664=68-26=246-94-136=231-75×2=331+844+674=298×5-987=693+(656-568)=440×7-346=207+81-54=62+212=352-41×5=644-72×3=141+972-589=335-128+63=403-19×2=422-406+39=27+266+454=214×(880-876)=481-472+485=219×(381-378)=559+510-930=285+(399-175)=842-39×5=139×7=23×5+345=900×8=324-(25+181)=438+550=75×5+169=101+38=626-600+934=468-452+172=212+285-157=162×6-663=392+(278-192)=33×(363-357)=474-282+15=269+321-539=551×2=125+953-684=34×(299-292)=219+540=520-69+173=155-117+450=89+489=965-(950-656)=392-48-244=233-(654-634)=762×6=316×(51-48)=329-305=347-(456-291)=756-478+621=500-63-53=376-95×2=61+319-43=791+862-946=579-(137+28)=172+(238-158)=147-(488-435)=665-(596-546)=932+112-964=348+(139-37)=968-231-174=749-(137+365)=458-(863-510)=374+156=821-(615-426)=417-(424-311)=730-196=175+(132-60)=904-413×2=845-83×9=666-280+334=3/10+5/10=365-150=659+116×8=326×2-483=438-(480-65)=224+196-165=439-217=651-(350+174)=320-54×3=760-435+244=823×8-661=861×(124-116)=897+253+216=2/8-1/8=849-523=645×3-424=374-(395-367)=161×3=773-386-373=143+(176-158)=22×2+299=497-148-150=125+370+172=999-113-807=615+127+327=42+223=495-(272+47)=913-138×4=170+13-76=65×7-101=344+366+234=95×9-549=778-140=64+332=736×(98-95)=129-27×2=898-219-674=775-537=445+668+128=396-106-37=482-(201+242)=48+425-328=95×(48-43)=868-460+420=332-220+380=932-383-93=3/6-2/6=82+238=281×(490-485)=858+576+55=872×(977-972)=450-253+71=45×(398-391)=183×5-385=528-210×2=199+269-74=880+794+296=812×7-122=600+730-310=209-205+181=600+366-264=155+(183-148)=457-83×4=309+148-277=940-165×4=598×4-544=47+898+191=469-206-158=782+310×3=238×4-639=977-264-487=464+(965-41)=28+695+107=499×4=43+244-113=197+191-313=243+610-39=160+274+555=446×(761-753)=442-294=209+109-105=221+20×5=446-(996-562)=61+65=489-221×2=225+362+404=393+261=45×7+269=477-(26+273)=60+51=647+305=273×3+118=254×(142-139)=142+303=791-(153+185)=126+284+215=261×2=299-54×5=459-(429-201)=458×2+984=94×2-102=276-31×6=180×5-524=73×(246-242)=166+163=553+626+508=822-20×2=467-385=264-(709-585)=194+142+444=479×2=70+(99-91)=467+(286-164)=535×3=272×3-119=278-(409-360)=336-240+84=34+417+307=113×(23-19)=125×(454-450)=164-101-35=387+546+568=120×4+70=223+226-386=883-286-146=245+251=914-(187+656)=467-92-287=680+(290-27)=3/6-1/6=273+119-292=322+125=100×4+284=151+588+241=807-(466+232)=323×3=380-83-218=103+153=28×(184-175)=275+639+593=7/9+2/9=171+841+290=178×2+274=739×9-119=204+207×2=4/7+2/7=894-208×4=437-(211-128)=897-828=872+914-297=903×(643-635)=635+72+637=354+(483-203)=309+903+312=340-(161-82)=915-254×3=526-300=146-(112-53)=2/8+6/8=361+70+459=845-360×2=56×(496-492)=285×2=895+(411-364)=25+453-271=62×2+183=473-(104+82)=838×(892-886)=44+424+246=234-51+594=167+28=80×9=149×(41-37)=378-(203-187)=872-763+923=443-419+401=442+(169-154)=442-(428-242)=956-703=251-69+690=955-413×2=215×3-64=333+(457-380)=329-111+169=337×2-129=494-(310-170)=22×6+605=269×8-131=366-275+333=420-(257+82)=216×3=57+254×3=277+410+288=134-40×2=429+(291-101)=613+950-22=246+221+84=421×7=487×2-508=458-(79+369)=707-226-327=58+(422-300)=375-34×7=553×5-184=270×(20-17)=388×5-511=81×(202-194)=138×9-253=253+417×2=490-41-332=131+324=478-406=806-107=307-(220+19)=416+70×6=754+946+561=133×3=60×5+54=710-492=605×(730-724)=583-43×7=217+441=467-(268+108)=343+153-89=749-83+289=137×6=940-68×2=748-533=82×(159-152)=584-(446+83)=948-348-429=226+84×2=881-(845-360)=342-(139+131)=434+(977-715)=224+108-332=512+825+422=156-(188-177)=174×5+807=364+(376-235)=633×6-623=37×5-157=129+204-30=322+63=131×(216-212)=983-(579-204)=308+(304-279)=978-(185+243)=193×4-699=568-377=372-(224+93)=982-692=886-170+674=820-405=186+92×7=19×4-34=406-(174-116)=2/6-1/6=146+87-114=113×4=556×(582-578)=508×5=412-225+192=35×8-108=837-66×6=69-62+308=39+235-175=999+106+404=117+(133-118)=996×3=390-(183-131)=380-(399-356)=345-(132+159)=787-(919-366)=143×4=476-323-86=393-28+28=154×2+260=424-253+985=285+151×4=945×3=180-153+209=313-189-15=241+190=7/10-3/10=148+(322-213)=112×2=464-(175+280)=417-361=30×3=48×(70-63)=113×3-79=416+(535-278)=264-37×4=127×4+267=314-246-13=242+(453-120)=355+76=41+82×3=566×(31-25)=489+(372-260)=2/5-1/5=61+144-67=435+40×2=231+(807-743)=958+692-793=192×3-61=500+597-108=978-124-87=601×6-726=897-(499-169)=305×9-27=20×7+131=177+275+235=557-(696-661)=45×6=28+19=462+543+599=866-542-83=480-59-194=839-58×5=233+153-186=371-141-33=834-701=948-345+180=899-(234+532)=748+(434-223)=340-105=735-62+128=534-(423-356)=999+307=257×2=443×(707-701)=205+204=382×2-146=103+351+54=264-231+119=106+283+477=4/8+2/8=319×3+173=374+54-360=296-216-72=211+311=412+572-744=54×4=367-(279+88)=104+(232-174)=674-422+692=712-(133+537)=345-159+156=845×9-454=417-404=832-(660-75)=207×3=237+24+211=457-(97+270)=845+(359-151)=191+304×2=128+(331-233)=245×3=465×7-890=448+576-768=77×9-321=265+(350-72)=181+14×8=383-(210+102)=288+67×8=199×(133-130)=230-49×2=113×(270-263)=324+467=934-(254+414)=569-20-503=223-115=409-(91+107)=269-74×2=119-(315-214)=408-125-194=273-57×3=150-(87-11)=457×(311-308)=101+(151-124)=31+926-851=785-396-141=3/6+2/6=246×2=64+225+29=170+141=239×(498-493)=113+126=659-266+469=468-(226+82)=825+382-306=109×6=281+196+197=239+(162-109)=265+828+505=759×6-158=364×2=462-121-216=479+120×4=336-212=548-91×5=875-217×2=487-107=39×3+799=390-(34+15)=458-(116-112)=886-447+237=478-(98+78)=168×2-91=687+(719-257)=313×2=357+419+206=154×5=73×2+251=45+408-106=992-(627+103)=551-41×4=112+293=902×4=52+83+346=159×(316-311)=722-(970-298)=82×8-157=406-(140+229)=334+528+135=257×3-167=885-348-159=320-(413-208)=413-152×2=1/4+2/4=267+(792-127)=197+(195-85)=338+162-356=184+74×6=921-120+626=745-291+847=716-632=699-310-221=579-241×2=74×(566-562)=904-427=161+93=289-29×5=635-(374-129)=325×6-929=205×9=450-22-290=297-(294-218)=648-(495-485)=105-67-18=965×(943-938)=600×(916-913)=560+683-492=431-227-201=61×(419-412)=164×(60-54)=261-(331-78)=425-191×2=406+554-447=916×(443-437)=824×3=481-143=41+555+19=75+362=337-30×2=316-34×7=498-385=51+93×6=283+186-370=474-440=3/5+2/5=140-86=112×6=64×8=416-(102+36)=268+255=526+(954-386)=574+(732-464)=104+57=181-106+368=963-104-564=813+434-562=440+87=112+112×4=313+338=206×8=26+99=76×8=859+245×2=201×3+382=846+(588-304)=216-40×4=813+13×2=274-31+41=220×2=608×9=15+963+22=470-(157+18)=927-(34+525)=466-(971-603)=309+187=494×(767-759)=866+916-915=128×6+640=991-(210+317)=460-204-72=345+84×9=811-47×6=718-18×4=210×4=730-118=725×2=47×(348-340)=119×7-450=271+66=670+862=427-16×3=919-18×5=10+255×2=829-750+395=465-77-36=710+743=313×2-530=477-233=268-(228-142)=697+(546-89)=702+(675-211)=170+492+142=259-31-219=6/10+3/10=863-(223-179)=814-181-216=774-(872-523)=540×9=357-(160+62)=32×3-37=473-232-206=382+103=88+230-19=608+828+667=979-771+172=107×6+619=17×9+387=479+609-669=302-143-140=729-(434+149)=453-139-196=250+75-305=650-(811-318)=50×9+46=76×(252-246)=61+429-341=241×2-187=988-198×4=458-60+318=208-(28+158)=477×4-795=132-91=52+(239-115)=241×(272-269)=367-110+341=104+227+236=279×2-473=652-453=91+226=890-96×9=228-(496-325)=4/6-1/6=384-(345-173)=45+105×8=878+15+87=496+(280-186)=576+81×6=91×7-597=471-(448-136)=143+(782-301)=713×7-377=191×(139-135)=311-84=661-354+324=931-(122+296)=248-(714-542)=166×7-476=420-278+284=31×3+598=120-(277-262)=690×4=107×9-636=499-164=997-312=415-(25+44)=91×5=315-(183+64)=427+249+482=245+(247-140)=783-(100+349)=242×(550-543)=417-74-287=59×(98-95)=505-237×2=4/9+2/9=549×(962-953)=793-(156+297)=10+(886-448)=803-(20+294)=76×(257-250)=472×(592-584)=539+(862-199)=465-158×2=212×2-52=855-(716-424)=132+206-181=614+77+207=10×(71-67)=499-(39+57)=474+43×6=138+(268-33)=566+(869-257)=257-(859-664)=655-489=199×3+661=579-318+59=292×9=790+(783-738)=2/3-1/3=354-231+58=497-108=947-225+627=702-386=807+226+190=983-492=468-(383+37)=1/5+2/5=571+879=685-471=288-191-60=213-180+250=370+376+43=427-379=4/8-2/8=456+99+150=885×3-788=401+70=121×6=347×2-568=153×4+300=81+37×6=5/6-1/6=55×8=858-718=473×2=849-154×2=297-58=416-351+25=327×9=361-80=674-(508-135)=333×(309-301)=781-20×5=600-(451+112)=225×(237-233)=143+815-394=333-(166+76)=777+892=297+328+73=198×2-264=72-38+53=650-225+87=982+310=386-(101+136)=參考答案813+347+448=1608108×(293-290)=324286×6-502=1214197-22×2=153277+(483-124)=636410-18×5=320408-130-209=69646-(93+359)=194820+727+300=1847325+82=407378-(171+154)=53843+683-642=88492×5=46075×2=150226-124=102774+(356-15)=1115278-255-19=413+22=35687+282+218=1187241-119-98=24852-561-75=2165/7-1/7=4/7469-135-318=16500-(357-348)=491426-35×5=251224+178×2=580627+488-512=603980-837+763=906131×(50-44)=786493-327-52=114277×2-308=246202+394+270=866204+357+329=890359-(22+253)=84147×3-185=256341+147=488424-34×6=22088+38=126296+170=466461-104×2=253116+295-78=333418-86-189=143470+262=73280-(31-30)=79836+(958-782)=1012399-272+201=328176+869-618=427122+(366-262)=226134+70-201=3963-410=55340+22+311=373109×3=327253-170=83428-319=109387-319+158=226210-129=8159+(701-578)=18267×3+45=246507×(901-892)=4563469+(979-745)=703320-(364-88)=44394-(321-105)=17813×8-16=88641-519+606=728254+215=469489-337=152717-258=459729×(537-532)=3645478-(23+442)=13610-136-98=376927-104-648=175672-668+92=96176×2+445=797461-66×3=263731×(679-672)=5117246×3=7382/4-1/4=1/4203+(401-29)=575115×8=920248-229+427=446267-(374-159)=52808-384×2=40120+895-336=679257+152=409519+702-268=953428-42-179=207997-(498-24)=523877-21-203=653188+251-67=372145+427+116=688617×3-561=1290377-230=147815-(128+321)=36680×7=560467+(342-278)=531393-273-47=73280-(322-299)=257355-256=9978+129×4=594415-221+219=41328+17=45264-97-58=109206-29×3=119449-(14+140)=295234-106-95=33206+160=366310×3=930945-(283+459)=203219+55×4=439401-(362+38)=1928-(56+487)=385529×4=21162/8+4/8=6/8972×(883-878)=486051-40=11170×4+135=815107+(375-203)=27986+290=376954-664=29068-26=42246-94-136=16231-75×2=81331+844+674=1849298×5-987=503693+(656-568)=781440×7-346=2734207+81-54=23462+212=274352-41×5=147644-72×3=428141+972-589=524335-128+63=270403-19×2=365422-406+39=5527+266+454=747214×(880-876)=856481-472+485=494219×(381-378)=657559+510-930=139285+(399-175)=509842-39×5=647139×7=97323×5+345=460900×8=7200324-(25+181)=118438+550=98875×5+169=544101+38=139626-600+934=960468-452+172=188212+285-157=340162×6-663=309392+(278-192)=47833×(363-357)=198474-282+15=207269+321-539=51551×2=1102125+953-684=39434×(299-292)=238219+540=759520-69+173=624155-117+450=48889+489=578965-(950-656)=671392-48-244=100233-(654-634)=213762×6=4572316×(51-48)=948329-305=24347-(456-291)=182756-478+621=899500-63-53=384376-95×2=18661+319-43=337791+862-946=707579-(137+28)=414172+(238-158)=252147-(488-435)=94665-(596-546)=615932+112-964=80348+(139-37)=450968-231-174=563749-(137+365)=247458-(863-510)=105374+156=530821-(615-426)=632417-(424-311)=304730-196=534175+(132-60)=247904-413×2=78845-83×9=98666-280+334=7203/10+5/10=8/10365-150=215659+116×8=1587326×2-483=169438-(480-65)=23224+196-165=255439-217=222651-(350+174)=127320-54×3=158760-435+244=569823×8-661=5923861×(124-116)=6888897+253+216=13662/8-1/8=1/8849-523=326645×3-424=1511374-(395-367)=346161×3=483773-386-373=14143+(176-158)=16122×2+299=343497-148-150=199125+370+172=667999-113-807=79615+127+327=106942+223=265495-(272+47)=176913-138×4=361170+13-76=10765×7-101=354344+366+234=94495×9-549=306778-140=63864+332=396736×(98-95)=2208129-27×2=75898-219-674=5775-537=238445+668+128=1241396-106-37=253482-(201+242)=3948+425-328=14595×(48-43)=475868-460+420=828332-220+380=492932-383-93=4563/6-2/6=1/682+238=320281×(490-485)=1405858+576+55=1489872×(977-972)=4360450-253+71=26845×(398-391)=315183×5-385=530528-210×2=108199+269-74=394880+794+296=1970812×7-122=5562600+730-310=1020209-205+181=185600+366-264=702155+(183-148)=190457-83×4=125309+148-277=180940-165×4=280598×4-544=184847+898+191=1136469-206-158=105782+310×3=1712238×4-639=313977-264-487=226464+(965-41)=138828+695+107=830499×4=199643+244-113=174197+191-313=75243+610-39=814160+274+555=989446×(761-753)=3568442-294=148209+109-105=213221+20×5=321446-(996-562)=1261+65=126489-221×2=47225+362+404=991393+261=65445×7+269=584477-(26+273)=17860+51=111647+305=952273×3+118=937254×(142-139)=762142+303=445791-(153+185)=453126+284+215=625261×2=522299-54×5=29459-(429-201)=231458×2+984=190094×2-102=86276-31×6=90180×5-524=37673×(246-242)=292166+163=329553+626+508=1687822-20×2=782467-385=82264-(709-585)=140194+142+444=780479×2=95870+(99-91)=78467+(286-164)=589535×3=1605272×3-119=697278-(409-360)=229336-240+84=18034+417+307=758113×(23-19)=452125×(454-450)=500164-101-35=28387+546+568=1501120×4+70=550223+226-386=63883-286-146=451245+251=496914-(187+656)=71467-92-287=88680+(290-27)=9433/6-1/6=2/6273+119-292=100322+125=447100×4+284=684151+588+241=980807-(466+232)=109323×3=969380-83-218=79103+153=25628×(184-175)=252275+639+593=15077/9+2/9=1171+841+290=1302178×2+274=630739×9-119=6532204+207×2=6184/7+2/7=6/7894-208×4=62437-(211-128)=354897-828=69872+914-297=1489903×(643-635)=7224635+72+637=1344354+(483-203)=634309+903+312=1524340-(161-82)=261915-254×3=153526-300=226146-(112-53)=872/8+6/8=1361+70+459=890845-360×2=12556×(496-492)=224285×2=570895+(411-364)=94225+453-271=20762×2+183=307473-(104+82)=287838×(892-886)=502844+424+246=714234-51+594=777167+28=19580×9=720149×(41-37)=596378-(203-187)=362872-763+923=1032443-419+401=425442+(169-154)=457442-(428-242)=256956-703=253251-69+690=872955-413×2=129215×3-64=581333+(457-380)=410329-111+169=387337×2-129=545494-(310-170)=35422×6+605=737269×8-131=2021366-275+333=424420-(257+82)=81216×3=64857+254×3=819277+410+288=975134-40×2=54429+(291-101)=619613+950-22=1541246+221+84=551421×7=2947487×2-508=466458-(79+369)=10707-226-327=15458+(422-300)=180375-34×7=137553×5-184=2581270×(20-17)=810388×5-511=142981×(202-194)=648138×9-253=989253+417×2=1087490-41-332=117131+324=455478-406=72806-107=699307-(220+19)=68416+70×6=836754+946+561=2261133×3=39960×5+54=354710-492=218605×(730-724)=3630583-43×7=282217+441=658467-(268+108)=91343+153-89=407749-83+289=955137×6=822940-68×2=804748-533=21582×(159-152)=574584-(446+83)=55948-348-429=171226+84×2=394881-(845-360)=396342-(139+131)=72434+(977-715)=696224+108-332=0512+825+422=1759156-(188-177)=145174×5+807=1677364+(376-235)=505633×6-623=317537×5-157=28129+204-30=303322+63=385131×(216-212)=524983-(579-204)=608308+(304-279)=333978-(185+243)=550193×4-699=73568-377=191372-(224+93)=55982-692=290886-170+674=1390820-405=415186+92×7=83019×4-34=42406-(174-116)=3482/6-1/6=1/6146+87-114=119113×4=452556×(582-578)=2224508×5=2540412-225+192=37935×8-108=172837-66×6=44169-62+308=31539+235-175=99999+106+404=1509117+(133-118)=132996×3=2988390-(183-131)=338380-(399-356)=337345-(132+159)=54787-(919-366)=234143×4=572476-323-86=67393-28+28=393154×2+260=568424-253+985=1156285+151×4=889945×3=2835180-153+209=236313-189-15=109241+190=4317/10-3/10=4/10148+(322-213)=257112×2=224464-(175+280)=9417-361=5630×3=9048×(70-63)=336113×3-79=260416+(535-278)=673264-37×4=116127×4+267=775314-246-13=55242+(453-120)=575355+76=43141+82×3=287566×(31-25)=3396489+(372-260)=6012/5-1/5=1/561+144-67=138435+40×2=515231+(807-743)=295958+692-793=857192×3-61=515500+597-108=989978-124-87=767601×6-726=2880897-(499-169)=567305×9-27=271820×7+131=271177+275+235=687557-(696-661)=52245×6=27028+19=47462+543+599=1604866-542-83=241480-59-194=227839-58×5=549233+153-186=200371-141-33=197834-701=133948-345+180=783899-(234+532)=133748+(434-223)=959340-105=235735-62+128=801534-(423-356)=467999+307=1306257×2=514443×(707-701)=2658205+204=409382×2-146=618103+351+54=508264-231+119=152106+283+477=8664/8+2/8=6/8319×3+173=1130374+54-360=68296-216-72=8211+311=522412+572-744=24054×4=216367-(279+88)=0104+(232-174)=162674-422+692=944712-(133+537)=42345-159+156=342845×9-454=7151417-404=13832-(660-75)=247207×3=621237+24+211=472457-(97+270)=90845+(359-151)=1053191+304×2=799128+(331-233)=226245×3=735465×7-890=2365448+576-768=25677×9-321=372265+(350-72)=543181+14×8=293383-(210+102)=71288+67×8=824199×(133-130)=597230-49×2=132113×(270-263)=791324+467=791934-(254+414)=266569-20-503=46223-115=108409-(91+107)=211269-74×2=121119-(315-214)=18408-125-194=89273-57×3=102150-(87-11)=74457×(311-308)=1371101+(151-124)=12831+926-851=106785-396-141=2483/6+2/6=5/6246×2=49264+225+29=318170+141=311239×(498-493)=1195113+126=239659-266+469=862468-(226+82)=160825+382-306=901109×6=654281+196+197=674239+(162-109)=292265+828+505=1598759×6-158=4396364×2=728462-121-216=125479+120×4=959336-212=124548-91×5=93875-217×2=441487-107=38039×3+799=916390-(34+15)=341458-(116-112)=454886-447+237=676478-(98+78)=302168×2-91=245687+(719-257)=1149313×2=626357+419+206=982154×5=77073×2+251=39745+408-106=347992-(627+103)=262551-41×4=387112+293=405902×4=360852+83+346=481159×(316-311)=795722-(970-298)=5082×8-157=499406-(140+229)=37334+528+135=997257×3-167=604885-348-159=378320-(413-208)=115413-152×2=1091/4+2/4=3/4267+(792-127)=932197+(195-85)=307338+162-356=144184+74×6=628921-120+626=1427745-291+847=1301716-632=84699-310-221=168579-241×2=9774×(566-562)=296904-427=477161+93=254289-29×5=144635-(374-129)=390325×6-929=1021205×9=1845450-22-290=138297-(294-218)=221648-(495-485)=638105-67-18=20965×(943-938)=4825600×(916-913)=1800560+683-492=751431-227-201=361×(419-412)=427164×(60-54)=984261-(331-78)=8425-191×2=43406+554-447=513916×(443-437)=5496824×3=2472481-143=33841+555+19=61575+362=437337-30×2=277316-34×7=78498-385=11351+93×6=609283+186-370=99474-440=343/5+2/5=1140-86=54112×6=67264×8=512416-(102+36)=278268+255=523526+(954-386)=1094574+(732-464)=842104+57=161181-106+368=443963-104-564=295813+434-562=685440+87=527112+112×4=560313+338=651206×8=164826+99=12576×8=608859+245×2=1349201×3+382=985846+(588-304)=1130216-40×4=56813+13×2=839274-31+41=284220×2=440608×9=547215+963+22=1000470-(157+18)=295927-(34+525)=368466-(971-603)=98309+187=496494×(767-759)=3952866+916-915=867128×6+640=1408991-(210+317)=464460-204-72=184345+84×9=1101811-47×6=529718-18×4=646210×4=840730-118=612725×2=145047×(348-340)=376119×7-450=383271+66=337670+862=1532427-16×3=379919