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511×7=150-42×2=838-184-96=320-104×2=413-32-102=403-196=823-(305+166)=473-(986-757)=975+(879-663)=92+95×2=407-34×9=415-329=295-99-129=282-(210-119)=47×(60-57)=762+547-567=240-50+981=103-17×5=622×3=942+(893-237)=205-192+325=70+59-65=305+51-260=32+126=921+95×7=98×(262-255)=261+69×9=32×4=947+794=384×2=957-117+575=104+386-199=493×2-640=274-240+314=32×8+384=457+183+236=211+373+661=475+747+41=254-(365-327)=268+(955-403)=107-20-78=397+481-523=87-65=164+158-15=729-(863-592)=333×(569-560)=974-119×6=937+979=185+663-358=180+769+43=916-(254+254)=373-(500-490)=408-(183+218)=345+491=234×4+225=925-(967-462)=37×7-216=588+786-847=359-(100+158)=482+(305-116)=967-209-260=182-(67+74)=352+257×3=274-(466-419)=50+120=326-(18+27)=81+285=336×4-510=107×8=2/4-1/4=418×2=283+(817-250)=118×(122-118)=118+208-207=318×(262-259)=153×9-618=110×(47-42)=167-(765-732)=227+193=296×3=808+242-957=387-378+18=187+521=193+195=566+204+46=454-155-25=560-78×7=343-27=49+200=62+552+321=128×(436-433)=666×5-753=136×4+426=488×2=814+117×5=167-59=770+99×4=111+156×4=747-(437+212)=411-15-115=63+85×3=843+977-44=897-91×7=481-53-156=840×3-466=231+47×8=728×8-845=331×3+363=471-37×9=318-145-122=409+85-188=664-121+555=53+188=23+751+184=957-167-105=191+(396-230)=606-397=29×6+13=226×4+266=495-267+270=3/8-2/8=91×6+198=483-33×3=347-243+204=219-204+116=915-270+241=4/7-1/7=20+902-827=602-(449-179)=239+187-244=316-131=5/10+2/10=722+219×4=417+95×4=37+239+571=237-(253-135)=233-(86-64)=495-64×3=265+323+301=682+543-89=479+35×2=719-31×3=79+302=267+127=83×8=260-160=189+136=749+(994-208)=244×4-232=996-(322+555)=247×2+753=155×3+135=84×3-245=290+149-202=100×3=456+367+55=980×2=996-500=562+177=18×(328-319)=639+511-896=722+(952-326)=40×(149-143)=62+648+233=440-29-103=740+251-731=378-101=375-(451-282)=121×3=362-89×2=124+91×2=373-88+861=619-279=21+409-349=649-539+423=983-669-159=759-(634-277)=358+75=213-97-16=388+564+908=450-44+243=182-(36+80)=217-(391-196)=345×2-634=127+755+908=871+539+458=139+412=842+627+340=960-451+979=920-(251+540)=709-91-143=763-618+618=376+156+193=483×2=463-(92+48)=353+76-14=414-(70+136)=214×2=181+(684-662)=119+185+285=835-763+591=316-303=409×9=822+706=736-93×4=688+(575-136)=337-(370-99)=792-194=296-73×2=321×(455-452)=453-19-362=378+69-300=875+(807-155)=44×4+472=251+73=524-60=167-139=866+44+118=639-(217+17)=73+468+316=554-22-181=131×6-758=229+(206-79)=456×2+67=322-11×9=493-88×2=374+(735-160)=277-(71-67)=724+265×3=943-159-464=421-(464-277)=916-640-177=1/8+5/8=132×6-731=591+308+68=887×8=912-(124+411)=337+792-302=11×(349-345)=866-640+367=157+284=588+255-776=461-(446-259)=243-152+825=312×2=446-153-25=348+(479-126)=290×3-803=903-355×2=274-44-143=124×6+792=99+(231-60)=624-(783-435)=496-(39+147)=449+(335-142)=3/5-1/5=41×7+378=411+321=673×8=621+(963-801)=93+300-347=928-(365-233)=884-(755-318)=48×(477-468)=100×4-187=663+860=776×2=496-162+73=39×9=81+37×7=658×5=219+378-417=541-214×2=969-(163+507)=205+64=835-(465+18)=844+47+606=192×(219-214)=444-256=420-27×7=873+767+340=671+160×2=306×(67-64)=77-56=951-311-155=79×(471-463)=403+(451-428)=421-220=866+(939-780)=266+(99-14)=282-119=441-71-124=309-196=392+389+265=486-(62+132)=554×(652-649)=159+238=879-709=119×(139-136)=914-198-543=469-(12+430)=881+600-282=819+261=156+44+207=681-155×3=28+67×7=320-40=105+124×3=785×7-103=649-(56+350)=807-(762-57)=482-140-153=800×(926-918)=390+(437-418)=816-126-459=172×2-173=472-18×3=389-(24+246)=5/8-1/8=477+20+150=914-(323+317)=692-54×2=184+(240-180)=391-303+186=308+(216-44)=788-42-428=389+272+324=663-367+685=483-(312-218)=735-687+779=292+68=354-(164+151)=61+122=523×3=999×6=950-305-551=278-121×2=463-(139+128)=462-229+74=573-(583-418)=120-98+728=124+610=246-102×2=280+693=163-55=92+392=128×3-330=524×2=83+326=1/8+7/8=319-20+72=4/8+3/8=147+(437-365)=557-69=469-52×8=472-(337-55)=28×(189-180)=1/5+3/5=724-39×5=490+13×6=997-22-311=243-30×3=532×5=688×2-379=702×4-155=143×5-264=500+154-310=488+205=945×5=559×(340-337)=980+(772-482)=53×6-273=475-(265+82)=55×(936-932)=650-315=42+307+481=79+384=211+129=176-(685-626)=674+102+971=333-101×2=63+343-128=534×6=864-157×2=489-397=58+249=96×7+320=992×4=3/8+4/8=264-20=464-231×2=421-11×4=181+172=97×(142-139)=617-(193+254)=253-40+82=322-(576-427)=350-89-237=727-579+245=30×5+617=207+(435-185)=406-(356-339)=155+74=70+100=119+324=253-199=72×8-159=8/9-1/9=192×2-216=668×(490-482)=693-(61+351)=684×(976-967)=263-(313-160)=256-56×4=95+(447-145)=4/10-1/10=623×4=955-(817-478)=107×3-74=77-19+163=444-134=297-168=803×3-816=198×(101-92)=951×(59-50)=43×4+353=245×(444-441)=674-447-164=176-10+245=331-312=46+72=863-694=85-65=548+(651-97)=616-(472-132)=445-231-174=552×(480-473)=450-(173+109)=278-(132+69)=487-38×2=34×7+462=221-151=453-185-267=855-226×3=978-(145+118)=281+231×3=468-(365-316)=254-239=250×(107-104)=703+958=457-190+217=461+(326-146)=761-228+475=365+70-226=877×4-848=697-(517-291)=811+200×3=115+147=6/9-1/9=706-641+78=769+853=881-591+732=328+(478-471)=94×2-11=275-(90+147)=104+344-424=469-(272+170)=882-41×3=699-(493+143)=290+13+26=525+(325-158)=24-24+212=45+(50-21)=992-(301+120)=35×(496-492)=78-(205-170)=43×7+262=410-331=956-235=853+315-651=493-(189+304)=170×3=147+138=102-24-11=399-(466-463)=921+780=812-525=910×(874-867)=779-(944-256)=586×(937-933)=290-44×6=373+276=42×9=657-292+816=845×3-471=935-104-271=298-(382-186)=100×6=512+140=73+(496-479)=896-(247+222)=49+224+485=428+69×2=412-23×6=54+225=142-63×2=228×2=115-32=426-374=466-153-13=421-53+23=807-432=735+83×8=975-(360+416)=850+541+930=272+194-118=11×6+77=66-(325-265)=441-112-101=96-(372-295)=475-322+61=972-534+551=999-608=5/8+2/8=30×7+464=316+352+320=563×(280-272)=305+39-81=276+224-179=463×2-78=449-159+152=795+260+895=997-654=892×5=214×(318-313)=242×2+229=289+(425-382)=389+(382-142)=791-454-225=357+992+68=959-577-338=803-37×8=357×4=1/4+2/4=3/8-1/8=459-206=496-(156+194)=351-330+349=210+223=430-244-145=138×6-642=371-122×2=83+597+713=19+512+244=893-(941-833)=2/6-1/6=180×4+271=541-(81+343)=833+263-632=881-(567+42)=893-(628-336)=735+899-589=366+238+226=468-321=827-(155+325)=414-59-235=418-148-13=249-76×2=803×(247-238)=861-(334+175)=95×9=833×(52-47)=157-92+429=385-(75+281)=94+(493-449)=264+729=267-55-148=588-197+901=118-(46+13)=837-(821-90)=578×4-454=533×8-784=3/6-1/6=500-151-180=740×(250-243)=172×5=214-(738-577)=182+317-411=920-411=160×6-638=422-(270+12)=142+249-306=128-54×2=688-(806-356)=608-576+178=893-(310-117)=890-585+859=791-(945-185)=685-(38+461)=214+(233-180)=273-77+379=691×8-415=747+30×2=334-189+316=391+127×2=653-90×7=479-(36+240)=529+174+135=126×3+162=116×4=598-98-207=300+187-202=368×7-80=366-75=126+(496-260)=39+(437-314)=427×2-319=13×7=2/8+4/8=418-42×2=165+(381-227)=385-259+127=77+(138-63)=5/10-4/10=316-64+112=406-47+407=745+830-496=178+479+734=145×6-395=218×4-676=161×5=555+924+28=965-402-200=398-165-80=753-(582-238)=912-92×2=164×6=890×(935-929)=38×(735-731)=495+(93-73)=249-103+104=543+755=603×(800-794)=351-146+65=481×8=123×8-226=88×5-219=20+(884-246)=139×6=495-211-96=2/9+7/9=687×(545-541)=21+20+426=732-(152+547)=437-220=383-270+24=320-188=818-54×3=765×(432-427)=45+50=856+980-735=971+(870-624)=601-307=335-(144+121)=641-118-242=15×(397-393)=614+767-83=927-(230+508)=175+146+362=632-(681-478)=114-96=109+154-232=978-(290+648)=497×2-303=77×(487-481)=112+102+491=263+178-329=50×(379-376)=540+884=551×3-197=805-521+820=73-43=976+66+974=455×(898-889)=827×4=904+113+972=258×2+259=633×(985-979)=159×6=11×4=285+293=35×6=711-206=564+720+903=92×3+832=3/5+2/5=46+369-279=240+(184-88)=175×5=995+(474-293)=72+83+212=816+495+828=919-(825-166)=192×5-365=435-(196+90)=165×6=804-98×8=768-213-473=899+961-911=818×8=544×(166-161)=509-119×2=738+255-546=800-745-54=908-316×2=922+497-628=368+627-27=120+245-70=958-142×4=26×4=733×4-907=297+128×5=489-298+122=224+13×5=290+188-164=792×3=295-10×4=498-(336+150)=188+(825-357)=292×5-656=858-33+886=497-310=94+161=27+(493-347)=172-33=493-111-66=446-442+490=21×5+265=550×(399-393)=316×2-448=433×6-86=242×7=184×3-366=262+175+539=257+132-83=139×(195-192)=303+548=91×6=856-664-112=298-(37+124)=59×8=241-222=524+191×5=209+(408-125)=963-205=144+108-186=84×8+65=165-141=42×3+670=816×5-510=28×(395-386)=491-86-236=260+(484-429)=108×(246-240)=316-(144+45)=963+(253-115)=569×9-888=203×4-748=105×(54-45)=372-(226-151)=424-149-57=242+289×3=307-(319-108)=207+256-157=819-241-553=51+270-161=511-186×2=260+75×9=83×7-127=196×(211-207)=766-528-14=90-(322-272)=970+381+583=678-54×3=759+784-340=66×9-436=62×(252-243)=456-(476-232)=1/8+3/8=451-(189-22)=400+685-50=202+(388-256)=115+552=567-(699-340)=339-334+54=527+41+152=980-(403+425)=193+52-79=138×5-546=287+(401-150)=293+(465-125)=591-97-208=230×3-442=721-(733-34)=285×(179-171)=345-(467-463)=408+561+291=495-57×3=448-57-211=57×5=370-(404-261)=353-121+189=624+77+15=659-270=418+(424-231)=19+224-121=889-(420+421)=180+235=418-(21+343)=564-(801-740)=198+273-441=159-53×2=47+15=171-120+119=606×5=243×2=428-84×2=312+(214-208)=863-65×8=17×(494-489)=558×5-341=652+107+43=521×6-837=657-67×3=323×2+181=489-17×3=275-107×2=703×5-534=42+246+995=82×2+159=850-(586+169)=578+231+753=358-11-19=642-362-110=98+(910-111)=682+(816-52)=29+591+778=612+980+501=188×(203-198)=929+(730-495)=194×5=471-(147+254)=656×4-114=403×(907-904)=82×(172-164)=125+676+128=480×9-853=422+278=425+(388-121)=463+200+117=487-(261-43)=193×5=806-68+333=448-49=参考答案511×7=3577150-42×2=66838-184-96=558320-104×2=112413-32-102=279403-196=207823-(305+166)=352473-(986-757)=244975+(879-663)=119192+95×2=282407-34×9=101415-329=86295-99-129=67282-(210-119)=19147×(60-57)=141762+547-567=742240-50+981=1171103-17×5=18622×3=1866942+(893-237)=1598205-192+325=33870+59-65=64305+51-260=9632+126=158921+95×7=158698×(262-255)=686261+69×9=88232×4=128947+794=1741384×2=768957-117+575=1415104+386-199=291493×2-640=346274-240+314=34832×8+384=640457+183+236=876211+373+661=1245475+747+41=1263254-(365-327)=216268+(955-403)=820107-20-78=9397+481-523=35587-65=22164+158-15=307729-(863-592)=458333×(569-560)=2997974-119×6=260937+979=1916185+663-358=490180+769+43=992916-(254+254)=408373-(500-490)=363408-(183+218)=7345+491=836234×4+225=1161925-(967-462)=42037×7-216=43588+786-847=527359-(100+158)=101482+(305-116)=671967-209-260=498182-(67+74)=41352+257×3=1123274-(466-419)=22750+120=170326-(18+27)=28181+285=366336×4-510=834107×8=8562/4-1/4=1/4418×2=836283+(817-250)=850118×(122-118)=472118+208-207=119318×(262-259)=954153×9-618=759110×(47-42)=550167-(765-732)=134227+193=420296×3=888808+242-957=93387-378+18=27187+521=708193+195=388566+204+46=816454-155-25=274560-78×7=14343-27=31649+200=24962+552+321=935128×(436-433)=384666×5-753=2577136×4+426=970488×2=976814+117×5=1399167-59=108770+99×4=1166111+156×4=735747-(437+212)=98411-15-115=28163+85×3=318843+977-44=1776897-91×7=260481-53-156=272840×3-466=2054231+47×8=607728×8-845=4979331×3+363=1356471-37×9=138318-145-122=51409+85-188=306664-121+555=109853+188=24123+751+184=958957-167-105=685191+(396-230)=357606-397=20929×6+13=187226×4+266=1170495-267+270=4983/8-2/8=1/891×6+198=744483-33×3=384347-243+204=308219-204+116=131915-270+241=8864/7-1/7=3/720+902-827=95602-(449-179)=332239+187-244=182316-131=1855/10+2/10=7/10722+219×4=1598417+95×4=79737+239+571=847237-(253-135)=119233-(86-64)=211495-64×3=303265+323+301=889682+543-89=1136479+35×2=549719-31×3=62679+302=381267+127=39483×8=664260-160=100189+136=325749+(994-208)=1535244×4-232=744996-(322+555)=119247×2+753=1247155×3+135=60084×3-245=7290+149-202=237100×3=300456+367+55=878980×2=1960996-500=496562+177=73918×(328-319)=162639+511-896=254722+(952-326)=134840×(149-143)=24062+648+233=943440-29-103=308740+251-731=260378-101=277375-(451-282)=206121×3=363362-89×2=184124+91×2=306373-88+861=1146619-279=34021+409-349=81649-539+423=533983-669-159=155759-(634-277)=402358+75=433213-97-16=100388+564+908=1860450-44+243=649182-(36+80)=66217-(391-196)=22345×2-634=56127+755+908=1790871+539+458=1868139+412=551842+627+340=1809960-451+979=1488920-(251+540)=129709-91-143=475763-618+618=763376+156+193=725483×2=966463-(92+48)=323353+76-14=415414-(70+136)=208214×2=428181+(684-662)=203119+185+285=589835-763+591=663316-303=13409×9=3681822+706=1528736-93×4=364688+(575-136)=1127337-(370-99)=66792-194=598296-73×2=150321×(455-452)=963453-19-362=72378+69-300=147875+(807-155)=152744×4+472=648251+73=324524-60=464167-139=28866+44+118=1028639-(217+17)=40573+468+316=857554-22-181=351131×6-758=28229+(206-79)=356456×2+67=979322-11×9=223493-88×2=317374+(735-160)=949277-(71-67)=273724+265×3=1519943-159-464=320421-(464-277)=234916-640-177=991/8+5/8=6/8132×6-731=61591+308+68=967887×8=7096912-(124+411)=377337+792-302=82711×(349-345)=44866-640+367=593157+284=441588+255-776=67461-(446-259)=274243-152+825=916312×2=624446-153-25=268348+(479-126)=701290×3-803=67903-355×2=193274-44-143=87124×6+792=153699+(231-60)=270624-(783-435)=276496-(39+147)=310449+(335-142)=6423/5-1/5=2/541×7+378=665411+321=732673×8=5384621+(963-801)=78393+300-347=46928-(365-233)=796884-(755-318)=44748×(477-468)=432100×4-187=213663+860=1523776×2=1552496-162+73=40739×9=35181+37×7=340658×5=3290219+378-417=180541-214×2=113969-(163+507)=299205+64=269835-(465+18)=352844+47+606=1497192×(219-214)=960444-256=188420-27×7=231873+767+340=1980671+160×2=991306×(67-64)=91877-56=21951-311-155=48579×(471-463)=632403+(451-428)=426421-220=201866+(939-780)=1025266+(99-14)=351282-119=163441-71-124=246309-196=113392+389+265=1046486-(62+132)=292554×(652-649)=1662159+238=397879-709=170119×(139-136)=357914-198-543=173469-(12+430)=27881+600-282=1199819+261=1080156+44+207=407681-155×3=21628+67×7=497320-40=280105+124×3=477785×7-103=5392649-(56+350)=243807-(762-57)=102482-140-153=189800×(926-918)=6400390+(437-418)=409816-126-459=231172×2-173=171472-18×3=418389-(24+246)=1195/8-1/8=4/8477+20+150=647914-(323+317)=274692-54×2=584184+(240-180)=244391-303+186=274308+(216-44)=480788-42-428=318389+272+324=985663-367+685=981483-(312-218)=389735-687+779=827292+68=360354-(164+151)=3961+122=183523×3=1569999×6=5994950-305-551=94278-121×2=36463-(139+128)=196462-229+74=307573-(583-418)=408120-98+728=750124+610=734246-102×2=42280+693=973163-55=10892+392=484128×3-330=54524×2=104883+326=4091/8+7/8=1319-20+72=3714/8+3/8=7/8147+(437-365)=219557-69=488469-52×8=53472-(337-55)=19028×(189-180)=2521/5+3/5=4/5724-39×5=529490+13×6=568997-22-311=664243-30×3=153532×5=2660688×2-379=997702×4-155=2653143×5-264=451500+154-310=344488+205=693945×5=4725559×(340-337)=1677980+(772-482)=127053×6-273=45475-(265+82)=12855×(936-932)=220650-315=33542+307+481=83079+384=463211+129=340176-(685-626)=117674+102+971=1747333-101×2=13163+343-128=278534×6=3204864-157×2=550489-397=9258+249=30796×7+320=992992×4=39683/8+4/8=7/8264-20=244464-231×2=2421-11×4=377181+172=35397×(142-139)=291617-(193+254)=170253-40+82=295322-(576-427)=173350-89-237=24727-579+245=39330×5+617=767207+(435-185)=457406-(356-339)=389155+74=22970+100=170119+324=443253-199=5472×8-159=4178/9-1/9=7/9192×2-216=168668×(490-482)=5344693-(61+351)=281684×(976-967)=6156263-(313-160)=110256-56×4=3295+(447-145)=3974/10-1/10=3/10623×4=2492955-(817-478)=616107×3-74=24777-19+163=221444-134=310297-168=129803×3-816=1593198×(101-92)=1782951×(59-50)=855943×4+353=525245×(444-441)=735674-447-164=63176-10+245=411331-312=1946+72=118863-694=16985-65=20548+(651-97)=1102616-(472-132)=276445-231-174=40552×(480-473)=3864450-(173+109)=168278-(132+69)=77487-38×2=41134×7+462=700221-151=70453-185-267=1855-226×3=177978-(145+118)=715281+231×3=974468-(365-316)=419254-239=15250×(107-104)=750703+958=1661457-190+217=484461+(326-146)=641761-228+475=1008365+70-226=209877×4-848=2660697-(517-291)=471811+200×3=1411115+147=2626/9-1/9=5/9706-641+78=143769+853=1622881-591+732=1022328+(478-471)=33594×2-11=177275-(90+147)=38104+344-424=24469-(272+170)=27882-41×3=759699-(493+143)=63290+13+26=329525+(325-158)=69224-24+212=21245+(50-21)=74992-(301+120)=57135×(496-492)=14078-(205-170)=4343×7+262=563410-331=79956-235=721853+315-651=517493-(189+304)=0170×3=510147+138=285102-24-11=67399-(466-463)=396921+780=1701812-525=287910×(874-867)=6370779-(944-256)=91586×(937-933)=2344290-44×6=26373+276=64942×9=378657-292+816=1181845×3-471=2064935-104-271=560298-(382-186)=102100×6=600512+140=65273+(496-479)=90896-(247+222)=42749+224+485=758428+69×2=566412-23×6=27454+225=279142-63×2=16228×2=456115-32=83426-374=52466-153-13=300421-53+23=391807-432=375735+83×8=1399975-(360+416)=199850+541+930=2321272+194-118=34811×6+77=14366-(325-265)=6441-112-101=22896-(372-295)=19475-322+61=214972-534+551=989999-608=3915/8+2/8=7/830×7+464=674316+352+320=988563×(280-272)=4504305+39-81=263276+224-179=321463×2-78=848449-159+152=442795+260+895=1950997-654=343892×5=4460214×(318-313)=1070242×2+229=713289+(425-382)=332389+(382-142)=629791-454-225=112357+992+68=1417959-577-338=44803-37×8=507357×4=14281/4+2/4=3/43/8-1/8=2/8459-206=253496-(156+194)=146351-330+349=370210+223=433430-244-145=41138×6-642=186371-122×2=12783+597+713=139319+512+244=775893-(941-833)=7852/6-1/6=1/6180×4+271=991541-(81+343)=117833+263-632=464881-(567+42)=272893-(628-336)=601735+899-589=1045366+238+226=830468-321=147827-(155+325)=347414-59-235=120418-148-13=257249-76×2=97803×(247-238)=7227861-(334+175)=35295×9=855833×(52-47)=4165157-92+429=494385-(75+281)=2994+(493-449)=138264+729=993267-55-148=64588-197+901=1292118-(46+13)=59837-(821-90)=106578×4-454=1858533×8-784=34803/6-1/6=2/6500-151-180=169740×(250-243)=5180172×5=860214-(738-577)=53182+317-411=88920-411=509160×6-638=322422-(270+12)=140142+249-306=85128-54×2=20688-(806-356)=238608-576+178=210893-(310-117)=700890-585+859=1164791-(945-185)=31685-(38+461)=186214+(233-180)=267273-77+379=575691×8-415=5113747+30×2=807334-189+316=461391+127×2=645653-90×7=23479-(36+240)=203529+174+135=838126×3+162=540116×4=464598-98-207=293300+187-202=285368×7-80=2496366-75=291126+(496-260)=36239+(437-314)=162427×2-319=53513×7=912/8+4/8=6/8418-42×2=334165+(381-227)=319385-259+127=25377+(138-63)=1525/10-4/10=1/10316-64+112=364406-47+407=766745+830-496=1079178+479+734=1391145×6-395=475218×4-676=196161×5=805555+924+28=1507965-402-200=363398-165-80=153753-(582-238)=409912-92×2=728164×6=984890×(935-929)=534038×(735-731)=152495+(93-73)=515249-103+104=250543+755=1298603×(800-794)=3618351-146+65=270481×8=3848123×8-226=75888×5-219=22120+(884-246)=658139×6=834495-211-96=1882/9+7/9=1687×(545-541)=274821+20+426=467732-(152+547)=33437-220=217383-270+24=137320-188=132818-54×3=656765×(432-427)=382545+50=95856+980-735=1101971+(870-624)=1217601-307=294335-(144+121)=70641-118-242=28115×(397-393)=60614+767-83=1298927-(230+508)=189175+146+362=683632-(681-478)=429114-96=18109+154-232=31978-(290+648)=40497×2-303=69177×(487-481)=462112+102+491=705263+178-329=11250×(379-376)=150540+884=1424551×3-197=1456805-521+820=110473-43=30976+66+974=2016455×(898-889)=4095827×4=3308904+113+972=1989258×2+259=775633×(985-979)=3798159×6=95411×4=44285+293=57835×6=210711-206=505564+720+903=218792×3+832=11083/5+2/5=146+369-279=136240+(184-88)=336175×5=875995+(474-293)=117672+83+212=367816+495+828=2139919-(825-166)=260192×5-365=595435-(196+90)=149165×6=990804-98×8=20768-213-473=82899+961-911=949818×8=6544544×(166-161)=2720509-119×2=271738+255-546=4478