三年级数学(上)计算题专项练习附答案集锦

三年级数学(上)计算题专项练习附答案集锦933-445×2=427-(335-264)=223×4-11=238+247+782=803-(13+406)=751+136×4=424×2=227-(76+120)=23×8+613=75×2+257=169-(98-74)=378+42×8=295+(492-418)=57×(273-266)=4/5-1/5=426-344=186+181-99=771-327=749+808-220=334+108-94=802+502+977=947+60×5=890-202=306-138×2=814-(574-189)=473-46×4=851-401=122×(118-110)=956-267-328=375×(579-575)=379-18×8=453-187×2=247+149-315=307+395+330=50×(455-447)=120×6+188=2/9+6/9=457-(351+32)=196-(127+50)=78-(281-220)=456-442=373-(118+65)=289×3-636=198×4-508=494-325+999=200×3=214+(342-228)=889-(127+409)=409+84=436-78×5=352+(384-353)=604+(646-262)=17×9+433=401-66×6=348-46×6=965-(135+788)=443-387+85=990+888=321-11-98=57-(79-38)=922-83×5=843+733-856=129×3=3/8+4/8=237-141=960-746-210=356-146+214=710-(724-316)=472-393-61=570+270=423+54×7=440×2-316=277+(417-226)=474-(203+193)=269-17×5=636×2-450=204-86+88=221+(637-541)=628+21+94=5/8-2/8=587×(71-68)=460-34=37+27×7=257-199+50=485+360+317=780×4-338=326×2+347=276×3-586=824-(717-493)=745+69×9=66+(328-265)=2/5+3/5=891+124×5=4/8-2/8=623+(561-485)=999-198×4=307×2-452=417-118+36=176+722=559-(877-558)=371-(63+24)=353+158+273=463-342+245=3/5-1/5=787-(280-147)=515+537=377-105-126=613+633-14=179+107=45+89=766-(272+88)=536-141=74+44+860=16×6=513×6=36×9=334+175×5=925-179-433=86×8-68=869+382+938=417+145×4=461-218=404-157-118=802-409+279=214-68-127=361-108+216=229×4=366-197=430×(580-574)=403-357+31=427-(198+96)=180×5=43×8=533+384+25=115+140+524=445-428+364=605-321+675=364×(969-963)=672-525=405-92×2=943×3=563×(515-511)=26×4+952=485-165=416+463-178=898-377+623=335-167+157=403-(28+325)=865-441=263+(478-211)=439-(382-357)=832-465=147×(396-391)=317+(296-109)=776+107×9=691-138-144=4/6-1/6=583+35+424=668-396-197=153+406+243=183×3=368-(290-68)=49×8-247=395-(246+19)=195×2-383=148-(320-303)=860+65×9=222×4=654-(88+21)=281-(683-502)=162×3=447-193-198=533+395+349=951+390-989=125×6=413-337+81=856×5-646=959-(788-644)=32+13×8=350+321×2=272-239+283=271×5=50×2=886×9-810=460+275+90=244+220-131=839-(83+510)=63×2=650+35+102=268+231=467+(285-86)=166×7=850×9-915=146×6+80=525×3-502=37×2=739×(233-229)=351-(240-156)=275×3-601=969-193×3=82+465-547=179×4+259=815-25×2=237-135=721-75×2=862-(35+693)=713-(698-401)=930-66×3=727+413=833×7-905=152×(238-235)=149×6+733=77×(94-87)=784+495-416=489-166-192=966-888=354-(89+150)=292-12×6=15+(267-34)=533×7-170=452-(330+86)=117+(482-165)=350-(146+129)=518+807+124=26×8=467-(175+178)=433×5-909=506-100-75=348×2-310=319-148-144=89×2+716=592+776-380=372×4-571=63×6=468-109-172=214+251-78=359-300-50=313+181-135=391-42×7=311+143=206×4+493=936+338=262-11×9=92×3+173=287+131-288=417+430+92=440-353+308=272×2=539+(482-82)=300-224=234×4-583=237+107-96=818-(794-44)=83+(621-299)=482-470+937=274-(394-159)=510-439+501=136-93+265=466-31×6=162+173-233=46+438-254=355+561-336=178×(188-183)=476×6-814=627-85+131=364×2-603=113+181-116=66×7=314-31×3=383-369=424×3=745-160-220=177+49=111×(444-441)=385-285=26+(416-211)=94×2+577=311-145+78=52×(169-166)=365+189=100×3-63=138×(294-290)=552+187+137=466-363=68+115=761-95×8=85+446=321-(468-361)=46+338-309=117-(354-323)=394-(152-78)=284-212=553-263+955=800+43+665=806+464×2=298-277=665+(598-220)=669-631=474-21×9=189×(235-231)=378-140-81=580+(296-72)=89×2=118+548=516×5-109=390+(122-87)=917-62-776=668×(84-81)=170+19+269=432-103-224=952×9=931-221+28=796-(250+258)=86×(317-311)=443-42×5=782×3-809=844-223×2=229×5-928=429-405+187=949×9=172-136+40=678-(661-612)=83-53-18=967+713=460+113-344=165×5=71×6-188=332-11-277=57+153=427-(299-131)=643-85×2=332-(435-380)=289-111-108=840-484=393-(11+355)=168+290+498=234+301=585-79-409=373-(363-168)=7/10+2/10=242+(446-221)=202+62+161=92-34×2=675-94=149×(501-492)=776-662+122=222×(368-364)=271-141=4/10-1/10=28×8=190+(851-124)=409-383+214=462-111-168=958+465+493=328-119-45=497-259=282×(355-348)=219+(473-253)=451+316+210=780-(391+168)=312-112=441-413+436=646+518+125=319-(162+61)=244×3-632=108×5+251=727-142×2=895-(581+307)=161+201+322=225-138+270=531×7=602-304=685-(208-74)=436-402+145=368-271+213=108+339-208=868×7=497×2-330=445+(304-103)=362+258=100+302=448+348=94×7-633=480-(377-34)=84×9-650=67+(470-254)=427-(51-23)=973-(156+347)=308-(271+37)=638-39=143-(99-52)=1/6+3/6=783×8-725=648-460=294+(446-251)=912+271×2=447+53-207=680-183-444=413-97=666+(636-139)=399-156-205=63×(193-190)=266+199=107+273=122×5+866=80+368=465-(128+187)=274+904-889=365-154=554-471+732=60×6-205=424+37-427=208+32-35=61×3-128=817-(63+267)=250×2+798=483-70×3=411-42-196=103+(228-225)=58×8+61=402+25×4=292+199=311×(323-320)=753-383-13=160×4-369=386-(32+206)=451-(326-280)=131+642+454=458+28+425=140×6=692×2-882=789×4=931-(465+109)=92×(123-115)=340+64×5=103×(312-306)=850+890-532=272+40-309=41×(169-165)=922-37+401=872-227-442=26×4+351=705-118=474-20×7=603-21×6=835-816+815=823×(250-241)=421+(466-361)=340-332+171=521+234=491-46×8=942-143=722×(733-724)=400-163-15=286-139+134=744+385+244=387+82×3=994-(581+127)=467-447+248=94×(320-314)=349×2+57=179×5+63=333+169+107=859×3-119=20+395+286=507×8=468-115×2=714+161-35=167+(441-280)=332-170+101=799+133-91=453+435=116+510+164=261+557+143=615-(321-194)=50×5+220=481-(88+45)=435-(470-371)=10×(378-371)=219×(946-943)=478-245-15=320-14×8=968+660+389=437-171-204=152×2-255=713-365+256=78×9=638×(966-960)=541×3=788-167×3=524-26=469+140×3=579-(447-125)=963+677-474=963+886+821=865-210+896=2/8-1/8=808-292=385-(771-733)=746+308-873=690×2-492=389-39×6=135+(319-124)=345+126=54+168+742=3/8+2/8=107+118=691+108-24=368-(659-619)=557-(204+277)=271+764+960=755-(23+345)=549×(570-565)=49+411+348=84+(878-274)=401+38-209=126+350=542+(906-648)=493-(108+113)=841-331=302×3=880-532=262+(313-67)=584-(586-53)=788-62×4=268×4=471-117+90=421+997+453=251+75-61=128+356=218×3=943-(296+407)=1/7+5/7=245+51=491-16×3=245-38-60=212+(386-157)=18×4+284=363×2+443=402-296+371=961+(772-702)=527-(851-663)=707×7=129+(500-340)=181×2+263=910-(369-196)=60+53=361+186=99+375-123=489-(382-342)=560-(365+81)=740×(816-811)=300×9-433=36×(500-491)=836-(305-60)=491+915+301=527-(57+457)=644-(247+105)=886+961+526=783+733+673=760×8=845+727-33=357×2-563=448-369-41=87+(940-39)=999-279=697+210+825=736-(980-942)=160×6-836=481-49-271=181+92=394×8-942=309+(454-433)=440-98=263+881-834=165+(446-160)=380×(581-577)=80+293-107=882-77×7=263-21=841×(568-560)=212+278=999-780+916=493-(268+140)=448-58×6=677+950-578=470-(112+296)=478-382=24×(212-206)=444-(198+64)=17+66=459-(139+249)=401-35×3=52+392+139=973-(767-346)=38+62=183+(545-32)=252+662+26=82+245=540-(204+142)=755+692+67=461-432=37+24=272-263+302=6/8-1/8=601+100×5=807×5-698=549+(798-392)=37×8+405=382-57×6=190-58=459+(626-20)=294+(486-447)=628+915-891=979-386-365=151-31×4=302×(288-281)=456+131+152=404-160=169+(351-318)=95×6-230=152×(346-340)=447+(856-573)=93+203=306-248=500-55×4=375-61-200=46+17=310-113-41=31+120+71=426-(192+22)=496+437-831=627-(76+56)=607+(586-146)=665-282-372=433+267=58×(105-101)=44+(466-109)=650+429-496=494-55×7=132+363=419+968+58=335+41-254=927+350-158=348-(309+13)=41+(408-214)=162+(183-121)=442-389=825+718-624=80+159=889+121-888=132+321-319=482-41×6=196-137-21=251-216=14×4-50=977-53-323=84×8-580=899-14×4=360-55×6=296-157+26=784-59-75=821+266=993-88×6=49×8+433=300+(297-52)=1/6+4/6=82×(301-294)=213-(135-41)=390-283=331-98=509+92+232=47×4+475=147+719-416=483+728+237=2/4-1/4=78×3-50=427+225+233=473×(453-450)=506+672=62+(438-427)=115+569=247-(14+25)=103+(384-329)=335-(333-253)=127×3+475=431-(91+123)=483-74×6=387×4=145×(493-490)=36×(347-340)=538-(606-552)=96+237=49+(777-311)=270+209-394=459-353+208=3/7+2/7=477+235+12=448-117+114=179-52×3=469-16×6=413×(888-884)=100+18=496-349+344=247-(223-151)=354+123=673-622=703-115×4=183×5-697=269+200=204×4-528=61×7=404+379-79=876+104×2=398-65-297=231-(129+71)=797×4=248×(830-824)=309×6-446=605+538=77×8=871-616+442=646-57+651=894+733-871=225×4-694=339-(231-142)=555×(423-419)=313+384+107=752-573+607=208×5=911-219-28=319-(75+24)=3/6+2/6=280+415+36=381+783+45=907+125×5=805-171-512=196×(355-351)=368-(439-98)=58×5=277×(331-327)=567-(614-192)=445-24-338=61×(360-355)=508×(634-631)=900-104×5=144+508+217=390-193×2=91+236=384-279=784-673=591-(947-434)=197×3=57×4=105+86=768-189-467=237-(81-21)=279-(275-21)=424-293+162=320-(282-257)=94+262=522-(841-649)=453-(157+58)=271-161+379=3/8-1/8=72+348=298+199-72=474-(385-190)=460-149×2=3/6-1/6=276-93-122=85-(150-127)=136×(463-460)=640-492=127×(478-472)=385×4-638=989+584+366=4/8+3/8=19×(206-198)=726-386-154=671×9=74+203×4=860×(663-657)=980-(672-363)=172×(26-21)=490-(450+40)=493-44×2=736-(332+299)=211+89×3=71×6=26+120×6=839+551-341=349-(202+106)=945+(680-99)=930-(738+110)=914×6=373+(356-294)=255+154-75=86+405-330=349×2-181=304-(236-93)=171-45×2=595-469+371=495×4-882=83×7=388+(491-140)=4/7+2/7=959-177-63=32-(127-107)=575-410+212=474+62×2=681-448+226=2/3-1/3=341-120=473×2-126=167×5=192×5-722=895-63-529=30×6=776×3=77+221×2=636+261+745=145+228-82=52-24=245+415+113=42×8=966-392-15=796-435=896-(178+203)=840-(105+503)=163+147-164=75×8-433=415-30-316=311-28-30=130+(766-669)=289-277=196×4=329-234-21=478-(167+278)=949-294=316×(189-180)=192+240-275=230+223×2=283-18-241=357+(488-133)=477-223-129=64×8+972=960+(627-87)=124+97=883-30×6=879-51×8=536-230+361=346+224=17+160×6=583-47+40=253-(218-105)=330+18×3=33×6=538×(707-704)=88×9=465+(459-66)=81×7+188=912-750+177=760-391-22=参考答案933-445×2=43427-(335-264)=356223×4-11=881238+247+782=1267803-(13+406)=384751+136×4=1295424×2=848227-(76+120)=3123×8+613=79775×2+257=407169-(98-74)=145378+42×8=714295+(492-418)=36957×(273-266)=3994/5-1/5=3/5426-344=82186+181-99=268771-327=444749+808-220=1337334+108-94=348802+502+977=2281947+60×5=1247890-202=688306-138×2=30814-(574-189)=429473-46×4=289851-401=450122×(118-110)=976956-267-328=361375×(579-575)=1500379-18×8=235453-187×2=79247+149-315=81307+395+330=103250×(455-447)=400120×6+188=9082/9+6/9=8/9457-(351+32)=74196-(127+50)=1978-(281-220)=17456-442=14373-(118+65)=190289×3-636=231198×4-508=284494-325+999=1168200×3=600214+(342-228)=328889-(127+409)=353409+84=493436-78×5=46352+(384-353)=383604+(646-262)=98817×9+433=586401-66×6=5348-46×6=72965-(135+788)=42443-387+85=141990+888=1878321-11-98=21257-(79-38)=16922-83×5=507843+733-856=720129×3=3873/8+4/8=7/8237-141=96960-746-210=4356-146+214=424710-(724-316)=302472-393-61=18570+270=840423+54×7=801440×2-316=564277+(417-226)=468474-(203+193)=78269-17×5=184636×2-450=822204-86+88=206221+(637-541)=317628+21+94=7435/8-2/8=3/8587×(71-68)=1761460-34=42637+27×7=226257-199+50=108485+360+317=1162780×4-338=2782326×2+347=999276×3-586=242824-(717-493)=600745+69×9=136666+(328-265)=1292/5+3/5=1891+124×5=15114/8-2/8=2/8623+(561-485)=699999-198×4=207307×2-452=162417-118+36=335176+722=898559-(877-558)=240371-(63+24)=284353+158+273=784463-342+245=3663/5-1/5=2/5787-(280-147)=654515+537=1052377-105-126=146613+633-14=1232179+107=28645+89=134766-(272+88)=406536-141=39574+44+860=97816×6=96513×6=307836×9=324334+175×5=1209925-179-433=31386×8-68=620869+382+938=2189417+145×4=997461-218=243404-157-118=129802-409+279=672214-68-127=19361-108+216=469229×4=916366-197=169430×(580-574)=2580403-357+31=77427-(198+96)=133180×5=90043×8=344533+384+25=942115+140+524=779445-428+364=381605-321+675=959364×(969-963)=2184672-525=147405-92×2=221943×3=2829563×(515-511)=225226×4+952=1056485-165=320416+463-178=701898-377+623=1144335-167+157=325403-(28+325)=50865-441=424263+(478-211)=530439-(382-357)=414832-465=367147×(396-391)=735317+(296-109)=504776+107×9=1739691-138-144=4094/6-1/6=3/6583+35+424=1042668-396-197=75153+406+243=802183×3=549368-(290-68)=14649×8-247=145395-(246+19)=130195×2-383=7148-(320-303)=131860+65×9=1445222×4=888654-(88+21)=545281-(683-502)=100162×3=486447-193-198=56533+395+349=1277951+390-989=352125×6=750413-337+81=157856×5-646=3634959-(788-644)=81532+13×8=136350+321×2=992272-239+283=316271×5=135550×2=100886×9-810=7164460+275+90=825244+220-131=333839-(83+510)=24663×2=126650+35+102=787268+231=499467+(285-86)=666166×7=1162850×9-915=6735146×6+80=956525×3-502=107337×2=74739×(233-229)=2956351-(240-156)=267275×3-601=224969-193×3=39082+465-547=0179×4+259=975815-25×2=765237-135=102721-75×2=571862-(35+693)=134713-(698-401)=416930-66×3=732727+413=1140833×7-905=4926152×(238-235)=456149×6+733=162777×(94-87)=539784+495-416=863489-166-192=131966-888=78354-(89+150)=115292-12×6=22015+(267-34)=248533×7-170=3561452-(330+86)=36117+(482-165)=434350-(146+129)=75518+807+124=144926×8=208467-(175+178)=114433×5-909=1256506-100-75=331348×2-310=386319-148-144=2789×2+716=894592+776-380=988372×4-571=91763×6=378468-109-172=187214+251-78=387359-300-50=9313+181-135=359391-42×7=97311+143=454206×4+493=1317936+338=1274262-11×9=16392×3+173=449287+131-288=130417+430+92=939440-353+308=395272×2=544539+(482-82)=939300-224=76234×4-583=353237+107-96=248818-(794-44)=6883+(621-299)=405482-470+937=949274-(394-159)=39510-439+501=572136-93+265=308466-31×6=280162+173-233=10246+438-254=230355+561-336=580178×(188-183)=890476×6-814=2042627-85+131=673364×2-603=125113+181-116=17866×7=462314-31×3=221383-369=14424×3=1272745-160-220=365177+49=226111×(444-441)=333385-285=10026+(416-211)=23194×2+577=765311-145+78=24452×(169-166)=156365+189=554100×3-63=237138×(294-290)=552552+187+137=876466-363=10368+115=183761-95×8=185+446=531321-(468-361)=21446+338-309=75117-(354-323)=86394-(152-78)=320284-212=72553-263+955=1245800+43+665=1508806+464×2=1734298-277=21665+(598-220)=1043669-631=38474-21×9=285189×(235-231)=756378-140-81=157580+(296-72)=80489×2=178118+548=666516×5-109=2471390+(122-87)=425917-62-776=79668×(84-81)=2004170+19+269=458432-103-224=105952×9=8568931-221+28=738796-(250+258)=28886×(317-311)=516443-42×5=233782×3-809=1537844-223×2=398229×5-928=217429-405+187=211949×9=8541172-136+40=76678-(661-612)=62983-53-18=12967+713=1680460+113-344=229165×5=82571×6-188=238332-11-277=4457+153=210427-(299-131)=259643-85×2=473332-(435-380)=277289-111-108=70840-484=356393-(11+355)=27168+290+498=956234+301=535585-79-409=97373-(363-168)=1787/10+2/10=9/10242+(446-221)=467202+62+161=42592-34×2=24675-94=581149×(501-492)=1341776-662+122=236222×(368-364)=888271-141=1304/10-1/10=3/1028×8=224190+(851-124)=917409-383+214=240462-111-168=183958+465+493=1916328-119-45=164497-259=238282×(355-348)=1974219+(473-253)=439451+316+210=977780-(391+168)=221312-112=200441-413+436=464646+518+125=1289319-(162+61)=96244×3-632=100108×5+251=791727-142×2=443895-(581+307)=7161+201+322=684225-138+270=357531×7=3717602-304=298685-(208-74)=551436-402+145=179368-271+213=310108+339-208=239868×7=6076497×2-330=664445+(304-103)=646362+258=620100+302=402448+348=79694×7-633=25480-(377-34)=13784×9-650=10667+(470-254)=283427-(51-23)=399973-(156+347)=470308-(271+37)=0638-39=599143-(99-52)=961/6+3/6=4/6783×8-725=5539648-460=188294+(446-251)=489912+271×2=1454447+53-207=293680-183-444=53413-97=316666+(636-139)=1163399-156-205=3863×(193-190)=189266+199=465107+273=380122×5+866=147680+368=448465-(128+187)=150274+904-889=289365-154=211554-471+732=81560×6-205=155424+37-427=34208+32-35=20561×3-128=55817-(63+267)=487250×2+798=1298483-70×3=273411-42-196=173103+(228-225)=10658×8+61=525402+25×4=502292+199=491311×(323-320)=933753-383-13=357160×4-369=271386-(32+206)=148451-(326-280)=405131+642+454=1227458+28+425=911140×6=840692×2-882=502789×4=3156931-(465+109)=35792×(123-115)=736340+64×5=660103×(312-306)=618850+890-532=1208272+40-309=341×(169-165)=164922-37+401=1286872-227-442=20326×4+351=455705-118=587474-20×7=334603-21×6=477835-816+815=834823×(250-241)=7407421+(466-361)=526340-332+171=179521+234=755491-46×8=123942-143=799722×(733-724)=6498400-163-15=222286-139+134=281744+385+244=1373387+82×3=633994-(581+127)=286467-447+248=26894×(320-314)=564349×2+57=755179×5+63=958333+169+107=609859×3-119=245820+395+286=701507×8=4056468-115×2=238714+161-35=840167+(441-280)=328332-170+101=263799+133-91=841453+435=888116+510+164=790261+557+143=961615-(321-194)=48850×5+220=470481-(88+45)=348435-(470-371)=33610×(378-371)=70219×(946-943)=657478-245-15=218320-14×8=208968+660+389=2017437-171-204=62152×2-255=49713-365+256=60478×9=702638×(966-960)=3828541×3=1623788-167×3=287524-26=498469+140×3=889579-(447-125)=257963+677-474=1166963+886+821=2670865-210+896=15512/8-1/8=1/8808-292=516385-(771-733)=347746+308-873=181690×2-492=888389-39×6=155135+(319-124)=330345+126=47154+168+742=9643/8+2/8=5/8107+118=225691+108-24=775368-(659-619)=328557-(204+277)=76271+764+960=1995755-(23+345)=387549×(570-565)=274549+411+348=80884+(878-274)=688401+38-209=230126+350=476542+(906-648)=800493-(108+113)=272841-331=510302×3=906880-532=348262+(313-67)=508584-(586-53)=51788-62×4=540268×4=1072471-117+90=444421+997+453=1871251+75-61=265128+356=484218×3=654943-(296+407)=2401/7+5/7=6/7245+51=296491-16×3=443245-38-60=147212+(386-157)=44118×4+284=356363×2+443=1169402-296+371=477961+(772-702)=1031527-(851-663)=339707×7=4949129+(500-340)=289181×2+263=625910-(369-196)=73760+53=113361+186=54799+375-123=351489-(382-342)=449560-(365+81)=114740×(816-811)=3700300×9-433=226736×(500-491)=324836-(305-60)=591491+915+301=1707527-(57+457)=13644-(247+105)=292886+961+526=2373783+733+673=2189760×8=6080845+727-33=1539357×2-563=151448-369-41=3887+(940-39)=988999-279=720697+210+825=1732736-(980-942)=698160×6-836=124481-49-271=161181+92=273394×8-942=2210309+(454-433)=330440-98=342263+881-834=310165+(446-160)=451380×(581-577)=152080+293-107=266882-77×7=343263-21=242841×(568-560)=6728212+278=490999-780+916=1135493-(268+140)=85448-58×6=100677+950-578=1049470-(112+296)=62478-382=9624×(212-206)=144444-(198+64)=18217+66=83459-(139+249)=71401-35×3=29652+392+139=583973-(767-346)=55238+62=100183+(545-32)=696252+662+26=94082+245=327540-(204+142)=194755+692+67=1514461-432=2937+24=61272-263+302=3116/8-1/8=5/8601+100×5=1101807×5-698=3337549+(798-392)=95537×8+405=701382-57×6=40190-58=132459+(626-20)=1065294+(486-447)=333628+915-891=652979-386-365=228151-31×4=27302×(288-281)=2114456+131+152=739404-160=244169+(351-318)=20295×6-230=340152×(346-340)=912447+(856-573)=73093+203=296306-248=58500-55×4=280375-61-200=11446+17=63310-113-41=15631+120+71=222426-(192+22)=212496+437-831=102627-(76+56)=495607+(586-146)=1047665-282-372=11433+267=70058×(105-101)=23244+(466-109)=401650+429-496=583494-55×7=109132+363=495419+968+58=1445335+41-254=122927+350-158=1119348-(309+13)=2641+(408-214)=235162+(183-121)=224442-389=53825+718-624=91980+159=239889+121-888=122132+321-319=134482-41×6=236196-137-21=38251-216=3514×4-50=6977-53-323=60184×8-580=92899-14×4=843360-55×6=30296-157+26=165784-59-75=650821+266=1087993-88×6=46549×8+433=825300+(297-52)=5451/6+4/6=5/682×(301-294)=574213-(135-41)=119390-283=107331-98=233509+92+232=83347×4+475=663147+719-416=450483+728+237=14482/4-1/4=1/478×3-50=184427+225+233=885473×(453-450)=1419506+672=117862+(438-427)=73115+569=684247-(14+25)=208103+(384-329)=158335-(333-253)=255127×3+475=856431-(91+123)=217483-74×6=39387×4=1548145×(493-490)=43536×(347-340)=252538-(606-552)=48496+237=33349+(777-311)=515270+209-394=85459-353+208=3143/7+2/7=5/7477+235+12=724448-117+114=445179-52×3=23469-16×6=373413×(888-884)=1652100+18=118496-349+344=491247-(223-151)=175354+123=477673-622=51703-115×4=243183×5-697