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

三年級數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦772+477+820=173+122=76+72-72=295+(884-652)=807-464+380=151+501+205=749×7-486=184-34×4=603+73×3=410×7-899=189×4-407=768-235×2=266×(199-191)=595×(25-20)=631+563+343=98×9=347-(322-69)=241×4-592=97+(439-61)=202+231=271+(493-357)=755+125+627=49×2=154+252-244=173+87+603=341-(95+82)=409+152×2=751-536=112-26+212=105+(709-407)=905+512-999=114-(237-236)=354+290+243=458-339=538×(59-56)=914+250×3=118+375-381=426-(217-178)=225×(144-141)=369+823+296=311-53-243=895-299+692=264-151+149=96×5+92=530+(540-22)=294-(259-125)=1/3+2/3=506+(576-537)=105×6=773-150×3=61×4+147=206-22+119=250×(274-271)=264-(72+169)=625+866-896=167+185-130=784-551+342=834×5-724=5/8+2/8=195-18×7=531+262+94=76×9=42+(234-216)=850-606+972=223-153-44=817-321-493=180×(17-13)=44×6=653-40-219=397+(287-226)=152-82=802×3=273×3-535=494×2-315=580-378-45=580+770+166=710-19×8=486-149-236=182-17×2=855+735-454=458×9-527=952-(252+341)=708+557=177-(249-154)=453-(312-14)=86+360-424=810+544=831+315+231=567-323+531=148+15+708=859-(322+14)=124-(163-49)=125+83=344-(608-411)=33+163=653+108-443=982-(636-468)=302-149=527-(234+168)=219+817+394=472-314-156=562×7-720=440×8-108=141+204=547+(763-566)=547-325=220-200=105×(79-76)=282×6=865-369×2=864-133×5=115+10+830=459+787+195=972+555-773=499-(28+298)=618-44×6=968-162=418-(144+221)=251+(351-147)=460-423+122=458-(293+134)=741-95×3=674-382+29=367×5=424-(20+261)=460-169-32=298+12+440=737+994-151=477-376=1/5+2/5=374+576+267=92×(379-375)=89×8=421-32×3=468-45×2=601+12+20=262+(421-273)=909-(110+357)=314+136×6=767-(675+22)=196-186+164=447-305-66=826+(665-642)=54+(182-114)=234×4-713=394-18×5=859-(32+706)=59+64=952-217×4=330-21-46=479+41×4=270+475-126=225×4=113+(580-453)=255-(350-190)=499-(681-562)=442-412+451=897-58×9=45+(484-373)=967-(343+87)=431-85-13=294-141-101=331+10×8=24+92=876-(654+199)=423+114×2=907-616-16=449+107×9=560+(856-195)=252×3+561=401-128+563=5/7-2/7=807-48=178+(753-115)=465+(744-687)=97+183-228=15×2=443-(28+273)=724+325=627-(104+160)=75+194=688+886-713=631×9-896=721+986+347=2/7-1/7=289×2=920+355=415-67×6=942-52-415=283×3-480=506+987=470+117×6=811-23×9=410+(276-99)=868-(961-422)=101-(280-236)=334-(31+246)=282-22×4=701×7=495-(311+180)=873-(447-336)=231×2-116=146+(898-459)=253-13=5/9+2/9=145+473=693+(172-98)=532-317-160=791-656=170+246-331=63+112=536-76-86=233×4-333=502-50-302=309×(764-761)=745+292-175=42+(191-94)=82+106=808-239×2=805-569-24=10+761+651=161×4-326=84×(853-848)=423-(262-47)=950+218=859-778-14=598-(172+250)=317×2-128=928+(658-624)=578+158+93=971-557-344=305-(916-782)=571+541-643=203×8-546=820×7-120=234×(330-326)=241-(19+129)=781×3-921=359×(710-706)=148-12+339=242+80+180=92+115×7=236×(156-152)=984×6=351-(80+254)=528-498+938=846+964=3/6+2/6=217+49=430-(281+10)=135+230=160+70=216×3=702+442-730=866-517+408=151×(343-339)=542-(260+16)=380-(255+63)=283-162-95=975-236+469=152+240+570=921+472-368=683-(594-347)=308-25×9=426-(373-177)=710+321×3=368-88=709+420-297=30×6+295=407×9=390+200×2=3/8-2/8=852+632-110=203-158+618=897+665=335-280+233=856-50-314=839-19+145=443+(445-263)=3/8-1/8=60×7-305=73×7=224+753-760=199-(157+29)=390-303-70=348-47-297=754×6-702=271+(367-200)=447-357+814=466-53=329×(31-28)=795-(556-474)=450-396=930-(852-536)=464-(469-259)=507×4=164+65=336×2=769+(535-151)=87+516+386=495-140×3=571-11=276+199=924-291-152=404×6=647-66+194=68×2+481=193-(237-68)=180+100+474=406+(209-154)=606+198-36=812-22×6=816+871+313=435+(192-44)=475+(310-234)=171+229=283+148=48+180-117=419-56×3=160+572=127+248+380=373+(260-197)=815×(715-708)=758+151×6=299-(221-136)=420-273-43=992-225×2=317-(541-445)=18×3=361×2-219=891-99×9=85×4-213=245×2=452×(847-838)=964+138-955=293-57×2=77+201-134=192+32=399+109=97×8=382+255+586=494+983=314+160+511=231-65-102=964-667=32+813-543=415-329-77=940×(280-271)=61+704+268=2/7+4/7=136+271-96=789-(158+113)=694-562=462-296=318+147-56=319+82=776-73-283=958-439×2=227-19×4=199+348+400=731+341-208=631+697+943=312-26×5=150+32+103=322+742=464×8-358=428-(77+148)=331-95=391-(358-350)=230+336+309=903-147+397=384+301×2=800-(83+43)=463+890+85=90+306=464×(973-966)=869-(135+638)=820×3=365×8=104+222=464-(859-515)=727+167+86=466-405+394=222-(432-211)=484-(192-67)=61×(725-721)=315-37×6=283-53=129×(121-117)=476-(487-157)=829-244-381=438-60=3/5-1/5=657+60×5=83×8+318=66×8+971=740×2-856=661-195×3=2/5-1/5=350-57-67=346+81-218=680×5-131=808-42-355=428-428+156=173×(271-267)=235-151=500×2+336=565+156=626-(97+26)=87×4-318=465+857+357=149-139+185=319-(24+293)=376-319+380=360+(352-147)=835-425=559+843+541=420-44-159=324×9-372=2/6+3/6=182-174+484=447×(932-929)=475-252-39=120×(498-493)=783+(607-435)=757-(408+129)=117×3=398-(104+158)=424-409=187-154=133+192=198-47-33=771-606=450+311=740-675+805=769×(715-712)=58×5=130-58+153=413-384+98=50×9=5/9+4/9=5/10-2/10=6/10-2/10=207-204+183=231-(33+42)=369-160=253-130+266=308-137×2=428-(209-74)=346-(36+55)=493-93×5=150×(433-429)=809-(438+15)=34×6+357=328-49×6=495-88×4=208×7=16+54×7=230-85=991-962=11+313-323=702+284=382-(93+146)=561-(654-355)=465-(454-333)=25×3=284×8-752=454-265+132=159×4=620-278+222=34×8+261=603-(753-552)=409-130=168+578+158=117×6=398+20-176=62+15=913-129×5=783×(770-765)=847-199+248=447-(399-212)=414-(785-597)=592-127-181=401-30×2=354-33=283×(289-286)=496-39-307=366-185=30×(256-247)=284-12-214=261-(38+52)=38×(411-402)=221+23×5=233-38+95=367-319+51=951×7=164+(998-279)=5/6-1/6=430-(58+82)=386×2+156=240+127×4=212+491=911-(793-20)=786+(428-89)=754×(787-784)=324-14-144=211-52=852+916+322=516×8-407=464+(498-216)=326-48×6=163+167=850-497=316+158+194=470+94+213=438-385=501×2-862=762-75×8=880×6=373+(960-348)=716-454-19=88×(241-236)=339×2-232=330-294-22=185×(168-164)=349-319=199-12×2=164+(318-199)=178×7=904×(219-212)=364+87-110=907-759+98=15×(118-111)=499-38×2=486-(49+281)=943-(143+156)=702-(159+29)=540-59-292=114×3-30=236-13+105=200×3+173=725-556+562=80×6+412=869-245×2=568-72×5=353+(447-337)=498+582-604=447+(526-211)=21×9+695=487×2-454=611+(570-116)=474-(377-290)=267+201=461-(142+29)=291-187=86+303-346=472+(432-155)=81×8+450=251×2+430=10×(454-448)=205+(812-155)=3/6-1/6=945-(459+128)=276-(85+161)=383-(377-26)=853-395-310=438-(263-225)=332-(190+35)=244+170×2=255-18×3=718+(281-172)=160+314=862+216=249-25×7=200×4+591=897-(851-334)=985-558+859=230+227-21=619+244=953-646+757=235+(496-217)=675+700+532=172+43×7=81×(173-168)=925+(830-55)=260-(326-300)=946-131-630=280-(95+173)=477+(477-433)=477-103=269×(155-148)=851-44-451=281×3=522+66×4=408-127-113=440+714+675=318+178=590×9=339-232+338=220×4-374=343-324+132=424-84=495-(26+23)=213+496=883-274+469=56×7=275×3+78=130+218=40×6-124=366×2-190=740-(950-427)=402-(261+13)=263+839+222=953-(414-299)=35×3=154×(564-559)=406+37×9=154+58=183×5=248-225=981-(455+412)=880×8-598=117-(227-195)=156+129=325-162+33=1/5+3/5=429-(180+85)=27+109×2=134+584-210=759×4=936-232-132=210-200=950-417+921=680-671+740=768+433+223=160×(472-468)=451-124=711-(311+278)=73+990-212=478-153-230=54+342-137=702-350×2=407+65×7=348×2-628=482×2+622=351×5=109×7=636-(917-498)=211×3-487=306×(991-986)=875×(797-791)=284×2-53=466-(404-48)=1/7+2/7=465-(765-556)=411×2+49=612-280-175=41×4+225=941-(991-742)=645×(665-657)=489-156=268-202=960-174=463×9-319=258+177-432=56×9+81=499-139×2=474-20×5=833-44-522=208+(807-711)=155×6-437=239×(482-479)=114-86=490×4=429×2+687=621×(702-696)=538×7=138×5+195=568×(830-824)=22×5=140-(351-345)=5/9+3/9=196×(445-442)=89+307-299=799×7-20=561+255-582=450-352+65=222-83-74=417+211+292=997-928=376-65×3=617-(619-312)=266×(362-359)=21+686-299=674-(823-570)=316+34-91=599×5=13+364-154=73+(318-176)=167+(742-386)=335+(406-128)=440-25×8=378×(447-438)=647-199=191-91-66=253+120=147×3=414-158-85=61+179+541=448+(258-59)=366+647-543=315-215+170=861-(49+603)=54×(435-426)=655+(878-48)=412+59-360=411+203=580+284×2=723+834-748=999-(987-740)=803-(44+621)=792-419+879=204-76-41=38×9-108=189×(781-775)=181-(377-327)=617-329=383+184+36=94×(275-266)=267×6=83×5-32=39+408-41=272+168=222-(166-139)=26-(454-429)=873×(699-696)=714+837+143=320+33-139=367-(95+117)=143×2-181=158×3+225=338-(43+291)=947×4=371+68=436-(20+109)=172×5-542=145×2=450+40-488=396-(251-217)=73+153+157=674-79+914=154+36=71×8=497-393-50=22+393+574=430-42×6=489×2=146×(257-251)=130×6=56+(397-357)=838-274=223-146=908×6=165×5+148=824-219×3=128+71×7=458-76×4=27×(271-266)=670-403=206+264=621+(702-609)=581+808+778=203×3+131=327-150+143=836-(875-121)=767+984-914=372-65×2=51+96×2=4/8-3/8=133+749+28=464+504+751=101×3+200=78×6=2/4-1/4=872×3-651=396-(416-144)=860×4=369-216+328=458×2=844×2-624=210×4-28=128×7-695=314+(84-62)=114×7-690=979-281+431=212-66×3=468-41-425=659×2-885=950-298×2=716-(407+125)=335-264=97×6-213=764×4-56=413+(307-147)=224+587-752=196×3+524=113×(15-11)=492-(277+21)=498+23×8=249+(152-33)=210-129-61=951×(107-100)=404-(27+359)=654+(683-100)=185+623+463=402+525=235-189+333=776×8-788=554-42×4=324-241=632-133-118=450+930+439=2/10+6/10=176×2=58+(410-36)=15+236-81=55×(151-142)=146+(476-347)=169+28×7=133×(224-220)=41+111+594=863-124-257=93×(239-235)=623-37=137+135-197=449-238+233=811-407+54=225×4-896=326-27×7=103×6-407=471-74=283-45-134=219-(174-18)=95+397-393=298×2+94=397-384+457=474-273=467-457=409+44-121=175-114=473+147+501=357-54×6=86+393=510+778+568=981×8=912-(718-58)=183+258-111=202+260=953+23×7=949-565=162+332-145=177+276+346=380-20×6=155+34=參考答案772+477+820=2069173+122=29576+72-72=76295+(884-652)=527807-464+380=723151+501+205=857749×7-486=4757184-34×4=48603+73×3=822410×7-899=1971189×4-407=349768-235×2=298266×(199-191)=2128595×(25-20)=2975631+563+343=153798×9=882347-(322-69)=94241×4-592=37297+(439-61)=475202+231=433271+(493-357)=407755+125+627=150749×2=98154+252-244=162173+87+603=863341-(95+82)=164409+152×2=713751-536=215112-26+212=298105+(709-407)=407905+512-999=418114-(237-236)=113354+290+243=887458-339=119538×(59-56)=1614914+250×3=1664118+375-381=112426-(217-178)=387225×(144-141)=675369+823+296=1488311-53-243=15895-299+692=1288264-151+149=26296×5+92=572530+(540-22)=1048294-(259-125)=1601/3+2/3=1506+(576-537)=545105×6=630773-150×3=32361×4+147=391206-22+119=303250×(274-271)=750264-(72+169)=23625+866-896=595167+185-130=222784-551+342=575834×5-724=34465/8+2/8=7/8195-18×7=69531+262+94=88776×9=68442+(234-216)=60850-606+972=1216223-153-44=26817-321-493=3180×(17-13)=72044×6=264653-40-219=394397+(287-226)=458152-82=70802×3=2406273×3-535=284494×2-315=673580-378-45=157580+770+166=1516710-19×8=558486-149-236=101182-17×2=148855+735-454=1136458×9-527=3595952-(252+341)=359708+557=1265177-(249-154)=82453-(312-14)=15586+360-424=22810+544=1354831+315+231=1377567-323+531=775148+15+708=871859-(322+14)=523124-(163-49)=10125+83=208344-(608-411)=14733+163=196653+108-443=318982-(636-468)=814302-149=153527-(234+168)=125219+817+394=1430472-314-156=2562×7-720=3214440×8-108=3412141+204=345547+(763-566)=744547-325=222220-200=20105×(79-76)=315282×6=1692865-369×2=127864-133×5=199115+10+830=955459+787+195=1441972+555-773=754499-(28+298)=173618-44×6=354968-162=806418-(144+221)=53251+(351-147)=455460-423+122=159458-(293+134)=31741-95×3=456674-382+29=321367×5=1835424-(20+261)=143460-169-32=259298+12+440=750737+994-151=1580477-376=1011/5+2/5=3/5374+576+267=121792×(379-375)=36889×8=712421-32×3=325468-45×2=378601+12+20=633262+(421-273)=410909-(110+357)=442314+136×6=1130767-(675+22)=70196-186+164=174447-305-66=76826+(665-642)=84954+(182-114)=122234×4-713=223394-18×5=304859-(32+706)=12159+64=123952-217×4=84330-21-46=263479+41×4=643270+475-126=619225×4=900113+(580-453)=240255-(350-190)=95499-(681-562)=380442-412+451=481897-58×9=37545+(484-373)=156967-(343+87)=537431-85-13=333294-141-101=52331+10×8=41124+92=116876-(654+199)=23423+114×2=651907-616-16=275449+107×9=1412560+(856-195)=1221252×3+561=1317401-128+563=8365/7-2/7=3/7807-48=759178+(753-115)=816465+(744-687)=52297+183-228=5215×2=30443-(28+273)=142724+325=1049627-(104+160)=36375+194=269688+886-713=861631×9-896=4783721+986+347=20542/7-1/7=1/7289×2=578920+355=1275415-67×6=13942-52-415=475283×3-480=369506+987=1493470+117×6=1172811-23×9=604410+(276-99)=587868-(961-422)=329101-(280-236)=57334-(31+246)=57282-22×4=194701×7=4907495-(311+180)=4873-(447-336)=762231×2-116=346146+(898-459)=585253-13=2405/9+2/9=7/9145+473=618693+(172-98)=767532-317-160=55791-656=135170+246-331=8563+112=175536-76-86=374233×4-333=599502-50-302=150309×(764-761)=927745+292-175=86242+(191-94)=13982+106=188808-239×2=330805-569-24=21210+761+651=1422161×4-326=31884×(853-848)=420423-(262-47)=208950+218=1168859-778-14=67598-(172+250)=176317×2-128=506928+(658-624)=962578+158+93=829971-557-344=70305-(916-782)=171571+541-643=469203×8-546=1078820×7-120=5620234×(330-326)=936241-(19+129)=93781×3-921=1422359×(710-706)=1436148-12+339=475242+80+180=50292+115×7=897236×(156-152)=944984×6=5904351-(80+254)=17528-498+938=968846+964=18103/6+2/6=5/6217+49=266430-(281+10)=139135+230=365160+70=230216×3=648702+442-730=414866-517+408=757151×(343-339)=604542-(260+16)=266380-(255+63)=62283-162-95=26975-236+469=1208152+240+570=962921+472-368=1025683-(594-347)=436308-25×9=83426-(373-177)=230710+321×3=1673368-88=280709+420-297=83230×6+295=475407×9=3663390+200×2=7903/8-2/8=1/8852+632-110=1374203-158+618=663897+665=1562335-280+233=288856-50-314=492839-19+145=965443+(445-263)=6253/8-1/8=2/860×7-305=11573×7=511224+753-760=217199-(157+29)=13390-303-70=17348-47-297=4754×6-702=3822271+(367-200)=438447-357+814=904466-53=413329×(31-28)=987795-(556-474)=713450-396=54930-(852-536)=614464-(469-259)=254507×4=2028164+65=229336×2=672769+(535-151)=115387+516+386=989495-140×3=75571-11=560276+199=475924-291-152=481404×6=2424647-66+194=77568×2+481=617193-(237-68)=24180+100+474=754406+(209-154)=461606+198-36=768812-22×6=680816+871+313=2000435+(192-44)=583475+(310-234)=551171+229=400283+148=43148+180-117=111419-56×3=251160+572=732127+248+380=755373+(260-197)=436815×(715-708)=5705758+151×6=1664299-(221-136)=214420-273-43=104992-225×2=542317-(541-445)=22118×3=54361×2-219=503891-99×9=085×4-213=127245×2=490452×(847-838)=4068964+138-955=147293-57×2=17977+201-134=144192+32=224399+109=50897×8=776382+255+586=1223494+983=1477314+160+511=985231-65-102=64964-667=29732+813-543=302415-329-77=9940×(280-271)=846061+704+268=10332/7+4/7=6/7136+271-96=311789-(158+113)=518694-562=132462-296=166318+147-56=409319+82=401776-73-283=420958-439×2=80227-19×4=151199+348+400=947731+341-208=864631+697+943=2271312-26×5=182150+32+103=285322+742=1064464×8-358=3354428-(77+148)=203331-95=236391-(358-350)=383230+336+309=875903-147+397=1153384+301×2=986800-(83+43)=674463+890+85=143890+306=396464×(973-966)=3248869-(135+638)=96820×3=2460365×8=2920104+222=326464-(859-515)=120727+167+86=980466-405+394=455222-(432-211)=1484-(192-67)=35961×(725-721)=244315-37×6=93283-53=230129×(121-117)=516476-(487-157)=146829-244-381=204438-60=3783/5-1/5=2/5657+60×5=95783×8+318=98266×8+971=1499740×2-856=624661-195×3=762/5-1/5=1/5350-57-67=226346+81-218=209680×5-131=3269808-42-355=411428-428+156=156173×(271-267)=692235-151=84500×2+336=1336565+156=721626-(97+26)=50387×4-318=30465+857+357=1679149-139+185=195319-(24+293)=2376-319+380=437360+(352-147)=565835-425=410559+843+541=1943420-44-159=217324×9-372=25442/6+3/6=5/6182-174+484=492447×(932-929)=1341475-252-39=184120×(498-493)=600783+(607-435)=955757-(408+129)=220117×3=351398-(104+158)=136424-409=15187-154=33133+192=325198-47-33=118771-606=165450+311=761740-675+805=870769×(715-712)=230758×5=290130-58+153=225413-384+98=12750×9=4505/9+4/9=15/10-2/10=3/106/10-2/10=4/10207-204+183=186231-(33+42)=156369-160=209253-130+266=389308-137×2=34428-(209-74)=293346-(36+55)=255493-93×5=28150×(433-429)=600809-(438+15)=35634×6+357=561328-49×6=34495-88×4=143208×7=145616+54×7=394230-85=145991-962=2911+313-323=1702+284=986382-(93+146)=143561-(654-355)=262465-(454-333)=34425×3=75284×8-752=1520454-265+132=321159×4=636620-278+222=56434×8+261=533603-(753-552)=402409-130=279168+578+158=904117×6=702398+20-176=24262+15=77913-129×5=268783×(770-765)=3915847-199+248=896447-(399-212)=260414-(785-597)=226592-127-181=284401-30×2=341354-33=321283×(289-286)=849496-39-307=150366-185=18130×(256-247)=270284-12-214=58261-(38+52)=17138×(411-402)=342221+23×5=336233-38+95=290367-319+51=99951×7=6657164+(998-279)=8835/6-1/6=4/6430-(58+82)=290386×2+156=928240+127×4=748212+491=703911-(793-20)=138786+(428-89)=1125754×(787-784)=2262324-14-144=166211-52=159852+916+322=2090516×8-407=3721464+(498-216)=746326-48×6=38163+167=330850-497=353316+158+194=668470+94+213=777438-385=53501×2-862=140762-75×8=162880×6=5280373+(960-348)=985716-454-19=24388×(241-236)=440339×2-232=446330-294-22=14185×(168-164)=740349-319=30199-12×2=175164+(318-199)=283178×7=1246904×(219-212)=6328364+87-110=341907-759+98=24615×(118-111)=105499-38×2=423486-(49+281)=156943-(143+156)=644702-(159+29)=514540-59-292=189114×3-30=312236-13+105=328200×3+173=773725-556+562=73180×6+412=892869-245×2=379568-72×5=208353+(447-337)=463498+582-604=476447+(526-211)=76221×9+695=884487×2-454=520611+(570-116)=1065474-(377-290)=387267+201=468461-(142+29)=290291-187=10486+303-346=43472+(432-155)=74981×8+450=1098251×2+430=93210×(454-448)=60205+(812-155)=8623/6-1/6=2/6945-(459+128)=358276-(85+161)=30383-(377-26)=32853-395-310=148438-(263-225)=400332-(190+35)=107244+170×2=584255-18×3=201718+(281-172)=827160+314=474862+216=1078249-25×7=74200×4+591=1391897-(851-334)=380985-558+859=1286230+227-21=436619+244=863953-646+757=1064235+(496-217)=514675+700+532=1907172+43×7=47381×(173-168)=405925+(830-55)=1700260-(326-300)=234946-131-630=185280-(95+173)=12477+(477-433)=521477-103=374269×(155-148)=1883851-44-451=356281×3=843522+66×4=786408-127-113=168440+714+675=1829318+178=496590×9=5310339-232+338=445220×4-374=506343-324+132=151424-84=340495-(26+23)=446213+496=709883-274+469=107856×7=392275×3+78=903130+218=34840×6-124=116366×2-190=542740-(950-427)=217402-(261+13)=128263+839+222=1324953-(414-299)=83835×3=105154×(564-559)=770406+37×9=739154+58=212183×5=915248-225=23981-(455+412)=114880×8-598=6442117-(227-195)=85156+129=285325-162+33=1961/5+3/5=4/5429-(180+85)=16427+109×2=245134+584-210=508759×4=3036936-232-132=572210-200=10950-417+921=1454680-671+740=749768+433+223=1424160×(472-468)=640451-124=327711-(311+278)=12273+990-212=851478-153-230=9554+342-137=259702-350×2=2407+65×7=862348×2-628=68482×2+622=1586351×5=1755109×7=763636-(917-498)=217211×3-487=146306×(991-986)=1530875×(797-791)=5250284×2-53=515466-(404-48)=1101/7+2/7=3/7465-(765-556)=256411×2+49=871612-280-175=15741×4+225=389941-(991-742)=692645×(665-657)=5160489-156=333268-202=66960-174=786463×9-319=3848258+177-432=356×9+81=585499-139×2=221474-20×5=374833-44-522=267208+(807-711)=304155×6-437=493239×(482-479)=717114-86=28490×4=1960429×2+687=1545621×(702-696)=3726538×7=3766138×5+195=885568×(830-824)=340822×5=110140-(351-345)=1345/9+3/9=8/9196×(445-442)=58889+307-299=97799×7-20=5573561+255-582=234450-352+65=163222-83-74=65417+211+292=920997-928=69376-65×3=181617-(619-312)=310266×(362-359)=79821+686-299=408674-(823-570)=421316+34-91=259599×5=299513+364-154=22373+(318-176)=215167+(742-386)=523335+(406-128)=613440-25×8=240378×(447-438)=3402647-199=448191-91-66=34253+120=373147×3=441414-158-85=17161