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820+(475-36)=210+96-302=978-402=359-(745-598)=19×(478-473)=92×3-210=6/9-2/9=335-(20+216)=424-(79+81)=217-142+270=478-360+125=448+123×3=49×(327-319)=811-(506+125)=477-(447-68)=114+(303-297)=921-51-388=223-149+133=180+(287-220)=623+889+336=334-(26+285)=581-(813-604)=122+(473-229)=264+44=284-85×2=247+40-165=801-(851-517)=48+552+315=153×3-152=766-(352+348)=169×4=603+(578-274)=368+(341-323)=340-327+196=119+172+510=348+(327-266)=491-107-39=414-(61+245)=205+(497-103)=395-281-87=443-(430-395)=581×(658-653)=98×4=809-222×2=542+505-184=950×(356-353)=802-162×4=744+592-65=242+(374-104)=636+157+83=323-136+252=2/4-1/4=327-(28+162)=686-(71+399)=901-28×5=923-294=401-243=926+377=205+894=416-89+54=787-84-558=321×4-658=217-(242-90)=574+(586-499)=443×2=464+571+675=335+82-403=715+682+502=267×2+493=402+(365-77)=272-186+58=140-21+222=29×7-167=140+639+118=279×3=242×3=422-(49+354)=940-(409+307)=324-117-172=98+225=344+305=836-47-259=771+(797-268)=4/9-2/9=398×2+44=457-76×5=158+76=157+145=493-290-72=55×5+154=116+377-25=288+55+833=762×6-718=418-89×4=588-143-177=395-110+97=455+(389-162)=833+655-556=140×(313-310)=447-63-31=296-49-121=1/6+4/6=905×9=421-315=42×9=449-20-94=101×6+387=473×2-234=471-(435-423)=833-(201+136)=881×7-832=383-150-186=497-293=231-(269-151)=313-(461-349)=862-85×2=42×2+691=662-(603-437)=85×6=442-(388+32)=484-(113-73)=142×2=892-355+471=63×7+444=332-89×2=86×(290-285)=17+88=384-230+176=92+(33-28)=318×7-427=274+137=649+195=98+275-77=672-(896-478)=60×(221-215)=482×8-436=77+605+298=806-(520+58)=27+292-271=435-115=835+248+70=335-23×9=490+824=114+141-236=2/10+7/10=915-614+539=333×2=450+854+682=247×(117-113)=38+50×3=133+160-184=124+308=394-54-221=383×9=669+680-547=200-10×8=7/8-1/8=721-136×4=207×3+99=20×(258-251)=185-(260-258)=192+164+304=348-22-303=982+115-271=507×6-221=132×4-202=197×3=73+314=430-19=991-233+843=418-(102-52)=900-556+761=235+251=15+54×4=63-(61-24)=107×9-368=612+50+216=130×3+494=135+86=456-38-396=70+422+333=812+44-835=705+(960-447)=432-260=118+142=931-774-30=762×5=641×6-856=591+(984-125)=428-213-191=336-48×6=352-91=937-(362+187)=224+82=382-(666-560)=184×(152-148)=745-537=385-167×2=920-297-474=235-207+255=33×7+64=792-736-47=130+194-312=44×5+65=205+250=303+191=473-(404-192)=197×4=163+587+368=178-34×5=484×6=809+539-574=807×5=990×6=572-194+453=246-22×4=269-10×9=87×(267-258)=648-260=59+339-47=480-27×4=465+773+705=775-63×4=344-35=418-(34+94)=327-36=875-(220+224)=13+502+467=478+(257-169)=876-97×7=179×5=927+763-146=438+163-316=354×(26-19)=576-170-197=360-159+21=452-(177+172)=455+(918-488)=93×8=486-134=879+(290-243)=2/8-1/8=204+(331-183)=703-46×2=237-94×2=841-286×2=760+748+442=429-(57+99)=444+(439-101)=20+501+239=490-168-129=764×7-122=856×(539-530)=385+371=210+404+303=55×3+138=972-(237+631)=411-78×3=343-(852-648)=429×2-393=442-408+126=2/5-1/5=264-227-27=188+(450-124)=59×7-78=433-28=961-78×5=154+183-190=148-70×2=488×9=834-(447+61)=51×8+351=23+391+403=127-66+31=10×(98-89)=602-454+226=743+645+528=439×2-808=196×5-775=757-489=26×(322-316)=229+(220-164)=1/9+7/9=128+501+130=561-154+827=315-(293-25)=114×7=442-(135-72)=339×2+53=88×3-197=164+508+314=92+432=367-342+541=357-(328-70)=116×8-784=456+429+12=71×(166-160)=482-49-322=849-656+142=287×6=675×(580-576)=22×(565-560)=98×(252-243)=109+84=63+37×8=458+20-256=754-582+416=381-342+73=466-190-43=701-75×5=183+168×5=81×(332-329)=442×2-393=676-47+450=243×9-542=837+(776-121)=175+307-440=81+391-346=457×(283-274)=224-73=587-456+747=740-99×4=301+(949-54)=497+(407-174)=349-80+171=172+310+159=417+12-314=1/7+2/7=109+128=330+132×3=376-87=532-489+773=314-286=453-(24+154)=38+(337-183)=489-206=139+143×4=581+336-278=756+911=88+368-423=116×6-315=129+261=359-(462-405)=779-167=92×9=332-(370-350)=511×5=576-(292+227)=165+(430-381)=296+128=98×(976-967)=51+698-732=831-535=220×2+63=178-(249-83)=525-(36-31)=240+(367-128)=418×(813-805)=61-38+317=934×(239-230)=431-(230+82)=22-12+520=106×(887-884)=425+230-430=681-203=398-(465-117)=865-(286+109)=293+220×2=52+261+612=480-12-272=138×7-920=770-(603-328)=249-(18+90)=799×2-962=424-331+51=152+218×3=798+23×7=767-(901-586)=167×3+267=219-163=117×2=244+(153-126)=386×(524-521)=577+116+21=14+411×2=188×2=203-31+842=334×2=908-584+350=72+(491-415)=288-(107+145)=75×(429-424)=1/6+3/6=14+(485-174)=286+(301-156)=483-62×4=213-22=377-239+65=708-(719-703)=305+(479-128)=591-434=137×4=557-(178+191)=12+401-313=38×5+49=137×4+419=440-215-153=152×(486-483)=773-108=227+539=677-(207+187)=227+244+176=884-(852-705)=187-(185-12)=860-403=238+81=13×7=345-(139+183)=30+94=620-(104+513)=618-134×2=116×4=133-82+135=903×5=428×4-763=976-696-57=620+106+201=316+828+573=592+132+36=226+215=638-(432+161)=112+243=217+135×4=403-377=891+790-608=297+(656-367)=80+97=866-31-295=817-396-35=311+(70-26)=820-21=382-(90+14)=679-179×3=470-67-276=181×4-164=1/4+2/4=199×5-617=572×(692-683)=565-63=339×6-443=251×(164-156)=410-136×3=981-73×8=197×(256-253)=358×2=216×(297-294)=797-227-543=100+612+976=466×2=428-115=456-(216-131)=105+375+454=378-72-107=346-107+182=60-40=462-(931-563)=691+236+841=466×2-174=352+(215-100)=3/6-1/6=33×4-84=622-407=561+252-430=411-352+39=168-44=479-(268+127)=416×2+229=56×5+797=358+34×8=999+(631-508)=256×3=128+168=201-(266-208)=767+185-451=242+185=643+(841-318)=465-245-71=479-31×2=113+22=295-106-102=402-133-75=166+92=481-171-197=757+915=291-(364-222)=80+134=144+193-220=908×(734-727)=441-246-107=328+87+226=589+355-831=807+476=138×3-100=530×7-200=352-202=256+72×3=356-73+173=940+317=672×(222-217)=591-(399-37)=281+(203-28)=133-67=3/8+4/8=918-157-340=462-331=90×(209-202)=129+457=87+(885-87)=472-(297+145)=787-(862-455)=848-(460-31)=352+148-328=899-77×5=47+95=118-(415-313)=57+219=164×2-130=473-85-173=321-193+188=224+60=79-56+374=263+60-204=217+234-278=130×5+81=468-(73+303)=283×9-876=877-239+355=165+352=140+466=762-(553+135)=5/8-2/8=237×2=113×7=71-10×7=286×8-177=132+305+77=595+529+227=461-(384-151)=445-67×5=73+46=831-(285-225)=346+896-832=51×4=108+16+829=247+466+104=75+426×2=52×(346-339)=982-971=482-79-106=636×(158-152)=642-(66+279)=828-61×3=264×3-66=271×(70-67)=477-(53+381)=855-129×5=405×2+980=109×4+811=105+251-31=192×(280-276)=815×4-11=879-168×3=996+27+435=34×(472-469)=963+278+177=194-40×3=290×2-450=424-336+222=707×6=443-274=23×(195-192)=178+68-121=39+35×7=52×9=179-148+271=850-820=695-469-137=34+896+708=977-836+880=707-166=457-(421-183)=164-(95+16)=841×6-88=187+41-121=196+590=175×(101-98)=306-64=20+(601-435)=146+255-157=415-(27+69)=96×2+206=457-15×6=4/6-1/6=112×9-699=213-75-80=497-128=72×6=291×8-438=319-82×3=889-32-278=6/10-4/10=31+(652-251)=186×5+870=867+52-128=789×3-775=750+447-693=823-213-441=450-164=836-10×4=191+(253-37)=279+593+36=393+13-236=408-155+159=287+(934-270)=175+(761-685)=238-(34+123)=462-188+458=65×2+21=200-179+180=432-251-104=451+158+390=165-139=390-23×9=490-65-357=136+205×2=495-39×9=440+407+329=4/7+2/7=449-403=958-269-321=85+394-70=247+18+540=820-(393+162)=460-197×2=600+351=625-377+545=794×(109-106)=428-24-389=214-(56+107)=756-58=2/5+3/5=996+280+598=167×(944-940)=385+(331-278)=790-126-156=559-(42+433)=166×(169-166)=443-(281-170)=249×4-69=760-(516-74)=480-(201-21)=732-72+913=787-189×3=399×(965-962)=127×3=439+37-392=110+196×4=159+621+127=344-(42+248)=264-28=113-73=193-(115+38)=878+(855-644)=356+26×3=500×2=11×2=239-12=850×6=228-(331-235)=104+252=270-(46+127)=997+530-641=138-14×4=913-(489-108)=418×2-555=451-73-127=454-73×4=800+424+319=676+41-304=431-(260-120)=329+(386-65)=800+562-69=696-(70+286)=252-(339-132)=880+151=165×(32-27)=616-63×9=91+222×2=133+514=331+440+172=109×3=466-361=368+88=274-57×3=778×9-412=284×5=461-15×6=442×9=152×6-425=524+175+778=326×2-159=118+396×2=543+23+299=86×7-144=825×2-635=407-13×6=753-(283+265)=3/7+2/7=411-27=844×(749-741)=659-(479-470)=367+54-166=503+456-687=593×4=282×2-419=162×3+437=803-321×2=504+(144-95)=124-39=358-127×2=213+(420-90)=226-185=492-(112+173)=15×4=3/7-1/7=996-522-216=381+814-536=82×(186-179)=214×3=93×(448-444)=176×2-58=633-(806-353)=113-(29+40)=193×2-362=187+183=918-50×3=436×3-33=1/7+4/7=279-(112-26)=478-411+248=662-(689-268)=867-(49+652)=529+332×2=459+756-690=30×(197-188)=429+(486-254)=206×3=248+132×4=5/7-1/7=105×8-182=700×3-982=385+117×2=389-(244+15)=883+27+13=694-214-297=600-19×4=149+32×2=444-(370-186)=121+(322-247)=905-90+270=933-535=723+744-495=787-(978-966)=797-(772-85)=947-58-374=474+380=139×7-580=565×(937-932)=890-(460+94)=455-31-199=368-82=492-(426+50)=459-(156-77)=311×(236-233)=227+(307-256)=287+(283-89)=374-81-207=211-(269-81)=348-61×2=195+231-395=605×3-791=83×(181-175)=86×3+558=205+151=195+240-394=815-(18+154)=215×2=1/9+4/9=392-51-10=997+917+31=28×(286-283)=144×6=858×(239-233)=258×(965-958)=338+160×6=52+14+727=680-71+466=745-(412+58)=312+163×4=164-45+184=359+67=138-128+291=770×(594-587)=62×4=471-369=387×6-843=46×(323-315)=296-25-92=899-413+144=890+66×6=469×9=224-87=762-419-220=872-(949-273)=10×9+877=194+254=384-115-133=831-(798-228)=730-176-309=177×2+102=417-170+418=932+(974-890)=460+(411-234)=201×5=22×6+397=56+715+228=592-157+194=613-(493+61)=186-19×5=231+237=67+348+632=695-120+875=285+(876-624)=17+194-166=432+(977-502)=144+(372-34)=662×2=251×8=424-(171+168)=101×3=13+104+783=121-22×2=164+889-234=578+35×2=436+893-378=17+166+722=649+117=402×5-566=560×(516-513)=588-(387+44)=405-147+22=374+15×7=913-471=329×5=參考答案820+(475-36)=1259210+96-302=4978-402=576359-(745-598)=21219×(478-473)=9592×3-210=666/9-2/9=4/9335-(20+216)=99424-(79+81)=264217-142+270=345478-360+125=243448+123×3=81749×(327-319)=392811-(506+125)=180477-(447-68)=98114+(303-297)=120921-51-388=482223-149+133=207180+(287-220)=247623+889+336=1848334-(26+285)=23581-(813-604)=372122+(473-229)=366264+44=308284-85×2=114247+40-165=122801-(851-517)=46748+552+315=915153×3-152=307766-(352+348)=66169×4=676603+(578-274)=907368+(341-323)=386340-327+196=209119+172+510=801348+(327-266)=409491-107-39=345414-(61+245)=108205+(497-103)=599395-281-87=27443-(430-395)=408581×(658-653)=290598×4=392809-222×2=365542+505-184=863950×(356-353)=2850802-162×4=154744+592-65=1271242+(374-104)=512636+157+83=876323-136+252=4392/4-1/4=1/4327-(28+162)=137686-(71+399)=216901-28×5=761923-294=629401-243=158926+377=1303205+894=1099416-89+54=381787-84-558=145321×4-658=626217-(242-90)=65574+(586-499)=661443×2=886464+571+675=1710335+82-403=14715+682+502=1899267×2+493=1027402+(365-77)=690272-186+58=144140-21+222=34129×7-167=36140+639+118=897279×3=837242×3=726422-(49+354)=19940-(409+307)=224324-117-172=3598+225=323344+305=649836-47-259=530771+(797-268)=13004/9-2/9=2/9398×2+44=840457-76×5=77158+76=234157+145=302493-290-72=13155×5+154=429116+377-25=468288+55+833=1176762×6-718=3854418-89×4=62588-143-177=268395-110+97=382455+(389-162)=682833+655-556=932140×(313-310)=420447-63-31=353296-49-121=1261/6+4/6=5/6905×9=8145421-315=10642×9=378449-20-94=335101×6+387=993473×2-234=712471-(435-423)=459833-(201+136)=496881×7-832=5335383-150-186=47497-293=204231-(269-151)=113313-(461-349)=201862-85×2=69242×2+691=775662-(603-437)=49685×6=510442-(388+32)=22484-(113-73)=444142×2=284892-355+471=100863×7+444=885332-89×2=15486×(290-285)=43017+88=105384-230+176=33092+(33-28)=97318×7-427=1799274+137=411649+195=84498+275-77=296672-(896-478)=25460×(221-215)=360482×8-436=342077+605+298=980806-(520+58)=22827+292-271=48435-115=320835+248+70=1153335-23×9=128490+824=1314114+141-236=192/10+7/10=9/10915-614+539=840333×2=666450+854+682=1986247×(117-113)=98838+50×3=188133+160-184=109124+308=432394-54-221=119383×9=3447669+680-547=802200-10×8=1207/8-1/8=6/8721-136×4=177207×3+99=72020×(258-251)=140185-(260-258)=183192+164+304=660348-22-303=23982+115-271=826507×6-221=2821132×4-202=326197×3=59173+314=387430-19=411991-233+843=1601418-(102-52)=368900-556+761=1105235+251=48615+54×4=23163-(61-24)=26107×9-368=595612+50+216=878130×3+494=884135+86=221456-38-396=2270+422+333=825812+44-835=21705+(960-447)=1218432-260=172118+142=260931-774-30=127762×5=3810641×6-856=2990591+(984-125)=1450428-213-191=24336-48×6=48352-91=261937-(362+187)=388224+82=306382-(666-560)=276184×(152-148)=736745-537=208385-167×2=51920-297-474=149235-207+255=28333×7+64=295792-736-47=9130+194-312=1244×5+65=285205+250=455303+191=494473-(404-192)=261197×4=788163+587+368=1118178-34×5=8484×6=2904809+539-574=774807×5=4035990×6=5940572-194+453=831246-22×4=158269-10×9=17987×(267-258)=783648-260=38859+339-47=351480-27×4=372465+773+705=1943775-63×4=523344-35=309418-(34+94)=290327-36=291875-(220+224)=43113+502+467=982478+(257-169)=566876-97×7=197179×5=895927+763-146=1544438+163-316=285354×(26-19)=2478576-170-197=209360-159+21=222452-(177+172)=103455+(918-488)=88593×8=744486-134=352879+(290-243)=9262/8-1/8=1/8204+(331-183)=352703-46×2=611237-94×2=49841-286×2=269760+748+442=1950429-(57+99)=273444+(439-101)=78220+501+239=760490-168-129=193764×7-122=5226856×(539-530)=7704385+371=756210+404+303=91755×3+138=303972-(237+631)=104411-78×3=177343-(852-648)=139429×2-393=465442-408+126=1602/5-1/5=1/5264-227-27=10188+(450-124)=51459×7-78=335433-28=405961-78×5=571154+183-190=147148-70×2=8488×9=4392834-(447+61)=32651×8+351=75923+391+403=817127-66+31=9210×(98-89)=90602-454+226=374743+645+528=1916439×2-808=70196×5-775=205757-489=26826×(322-316)=156229+(220-164)=2851/9+7/9=8/9128+501+130=759561-154+827=1234315-(293-25)=47114×7=798442-(135-72)=379339×2+53=73188×3-197=67164+508+314=98692+432=524367-342+541=566357-(328-70)=99116×8-784=144456+429+12=89771×(166-160)=426482-49-322=111849-656+142=335287×6=1722675×(580-576)=270022×(565-560)=11098×(252-243)=882109+84=19363+37×8=359458+20-256=222754-582+416=588381-342+73=112466-190-43=233701-75×5=326183+168×5=102381×(332-329)=243442×2-393=491676-47+450=1079243×9-542=1645837+(776-121)=1492175+307-440=4281+391-346=126457×(283-274)=4113224-73=151587-456+747=878740-99×4=344301+(949-54)=1196497+(407-174)=730349-80+171=440172+310+159=641417+12-314=1151/7+2/7=3/7109+128=237330+132×3=726376-87=289532-489+773=816314-286=28453-(24+154)=27538+(337-183)=192489-206=283139+143×4=711581+336-278=639756+911=166788+368-423=33116×6-315=381129+261=390359-(462-405)=302779-167=61292×9=828332-(370-350)=312511×5=2555576-(292+227)=57165+(430-381)=214296+128=42498×(976-967)=88251+698-732=17831-535=296220×2+63=503178-(249-83)=12525-(36-31)=520240+(367-128)=479418×(813-805)=334461-38+317=340934×(239-230)=8406431-(230+82)=11922-12+520=530106×(887-884)=318425+230-430=225681-203=478398-(465-117)=50865-(286+109)=470293+220×2=73352+261+612=925480-12-272=196138×7-920=46770-(603-328)=495249-(18+90)=141799×2-962=636424-331+51=144152+218×3=806798+23×7=959767-(901-586)=452167×3+267=768219-163=56117×2=234244+(153-126)=271386×(524-521)=1158577+116+21=71414+411×2=836188×2=376203-31+842=1014334×2=668908-584+350=67472+(491-415)=148288-(107+145)=3675×(429-424)=3751/6+3/6=4/614+(485-174)=325286+(301-156)=431483-62×4=235213-22=191377-239+65=203708-(719-703)=692305+(479-128)=656591-434=157137×4=548557-(178+191)=18812+401-313=10038×5+49=239137×4+419=967440-215-153=72152×(486-483)=456773-108=665227+539=766677-(207+187)=283227+244+176=647884-(852-705)=737187-(185-12)=14860-403=457238+81=31913×7=91345-(139+183)=2330+94=124620-(104+513)=3618-134×2=350116×4=464133-82+135=186903×5=4515428×4-763=949976-696-57=223620+106+201=927316+828+573=1717592+132+36=760226+215=441638-(432+161)=45112+243=355217+135×4=757403-377=26891+790-608=1073297+(656-367)=58680+97=177866-31-295=540817-396-35=386311+(70-26)=355820-21=799382-(90+14)=278679-179×3=142470-67-276=127181×4-164=5601/4+2/4=3/4199×5-617=378572×(692-683)=5148565-63=502339×6-443=1591251×(164-156)=2008410-136×3=2981-73×8=397197×(256-253)=591358×2=716216×(297-294)=648797-227-543=27100+612+976=1688466×2=932428-115=313456-(216-131)=371105+375+454=934378-72-107=199346-107+182=42160-40=20462-(931-563)=94691+236+841=1768466×2-174=758352+(215-100)=4673/6-1/6=2/633×4-84=48622-407=215561+252-430=383411-352+39=98168-44=124479-(268+127)=84416×2+229=106156×5+797=1077358+34×8=630999+(631-508)=1122256×3=768128+168=296201-(266-208)=143767+185-451=501242+185=427643+(841-318)=1166465-245-71=149479-31×2=417113+22=135295-106-102=87402-133-75=194166+92=258481-171-197=113757+915=1672291-(364-222)=14980+134=214144+193-220=117908×(734-727)=6356441-246-107=88328+87+226=641589+355-831=113807+476=1283138×3-100=314530×7-200=3510352-202=150256+72×3=472356-73+173=456940+317=1257672×(222-217)=3360591-(399-37)=229281+(203-28)=456133-67=663/8+4/8=7/8918-157-340=421462-331=13190×(209-202)=630129+457=58687+(885-87)=885472-(297+145)=30787-(862-455)=380848-(460-31)=419352+148-328=172899-77×5=51447+95=142118-(415-313)=1657+219=276164×2-130=198473-85-173=215321-193+188=316224+60=28479-56+374=397263+60-204=119217+234-278=173130×5+81=731468-(73+303)=92283×9-876=1671877-239+355=993165+352=517140+466=606762-(553+135)=745/8-2/8=3/8237×2=474113×7=79171-10×7=1286×8-177=2111132+305+77=514595+529+227=1351461-(384-151)=228445-67×5=11073+46=119831-(285-225)=771346+896-832=41051×4=204108+16+829=953247+466+104=81775+426×2=92752×(346-339)=364982-971=11482-79-106=297636×(158-152)=3816642-(66+279)=297828-61×3=645264×3-66=726271×(70-67)=813477-(53+381)=43855-129×5=210405×2+980=1790109×4+811=1247105+251-31=325192×(280-276)=768815×4-11=3249879-168×3=375996+27+435=145834×(472-469)=102963+278+177=1418194-40×3=74290×2-450=130424-336+222=310707×6=4242443-274=16923×(195-192)=69178+68-121=12539+35×7=28452×9=468179-148+271=302850-820=30695-469-137=8934+896+708=1638977-836+880=1021707-166=541457-(421-183)=219164-(95+16)=53841×6-88=4958187+41-121=107196+590=786175×(101-98)=525306-64=24220+(601-435)=186146+255-157=244415-(27+69)=31996×2+206=398457-15×6=3674/6-1/6=3/6112×9-699=309213-75-80=58497-128=36972×6=432291×8-438=1890319-82×3=73889-32-278=5796/10-4/10=2/1031+(652-251)=432186×5+870=1800867+52-128=791789×3-775=1592750+447-693=504823-213-441=169450-164=286836-10×4=796191+(253-37)=407279+593+36=908393+13-236=170408-155+159=412287+(934-270)=951175+(761-685)=251238-(34+123)=81462-188+458=73265×2+21=151200-179+180=201432-251-104=77451+158+390=999165-139=26390-23×9=183490-65-357=68136+205×2=546495-39×9=144440+407+329=11764/7+2/7=6/7449-403=46958-269-321=36885+394-70=409247+18+540=805820-(393+162)=265460-197×2=66600+351=951625-377+545=793794×(109-106)=2382428-24-389=15214-(56+107)=51756-58=6982/5+3/5=1996+280+598=1874167×(944-940)=668385+(331-278)=438790-126-156=508559-(42+433)=84166×(169-166)=498443-(281-170)=332249×4-69=927760-(516-74)=318480-(201-21)=300732-72+913=1573787-189×3=220399×(965-962)=1197127×3=381439+37-392=84110+196×4=894159+621+127=907344-(42+248)=54264-28=236113-73=40193-(115+38)=40878+(855-644)=1089356+26×3=434500×2=100011×2=22239-12=227850×6=5100228-(331-235)=132104+252=356270-(46+127)=97997+530-641=886138-14×4=82913-(489-108)=532418×2-555=281451-73-127=251454-73×4=162800+424+319=1543676+41-304=413431-(260-120)=291329+(386-65)=650800+562-69=1293696-(70+286)=340252-(339-132)=45880+151=1031165×(32-27)=825616-63×9=4991+222×2=535133+514=647331+440+172=943109×3=327466-361=105368+88=456274-57×3=103778×9-412=6590284×5=1420461-15×6=371442×9=3978152×6-425=487524+175+778=1477326×2-159=493118+396×2=91