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753-(104+193)=760-608+392=355×2-328=67+213=653×(311-306)=2/3-1/3=802-30=490+216=865-(184+22)=801-745+597=4/8+2/8=304-(337-48)=496-70×7=44×(102-93)=470-(135-86)=116×(62-59)=803×(805-799)=404-50=90+308+25=420-184=369-276-87=53×9-40=866-48×6=74+(261-76)=82×4=230×3-572=549×(430-422)=906-(929-340)=236×8-78=138×(893-885)=571+(816-465)=645+81+84=118×3-91=150-79-39=281-14×2=711+574-898=375-46×6=983-193=262+644=18+370×2=877-(411-186)=249+282+524=456-(381+27)=86×5+264=356+(410-242)=500-58×7=331-330+493=928-(82+189)=839-354×2=320×(885-881)=34×6+501=282+168=76×3+331=474-144-320=407-(190+177)=451-50×4=705-239-249=972-(836-71)=405-374=452-374+149=461-(206+35)=811×9-506=352-197=483-349+238=641×7-706=572-143×4=271-(288-199)=266×3=202+381+301=177+219=904-(18+408)=1/5+2/5=142+960-255=949-629=205+76=195+229-138=137-(760-722)=951+131-632=126×6+90=397-(290-123)=784×7-974=836+(477-157)=883+394+282=709×6=319×(936-929)=756+(564-40)=236+(286-65)=468-36×5=413-117-269=456-11×3=367+306+325=298+84=799+(755-233)=171+18×4=141+324-161=1/3+2/3=528+404=478-334=993-(126+145)=276+595=374-203-145=60×(139-132)=176+209=166+773+981=471-(325-221)=892-417=359-116+61=811-555+221=285+(115-85)=285+367+579=507-45×6=371+749+124=609+53×9=24+335+682=204+21-15=710-267=199+258=984-405-573=507+693+128=319+426=451-180-25=369×(890-886)=80+236+565=884-840+697=462-448=116×7+17=367+120-20=306-272+44=470+(476-226)=326×7=447-(126+285)=925×(700-696)=930-856+150=353-263-17=385-(392-183)=223+337×2=152×4-72=487-22×8=116+292=468+(381-56)=680-261=711+(760-567)=383+(429-204)=556-38=216×2-416=254+(284-234)=408+606-301=189+283=930-(227+78)=377+421=913-(374-228)=106+291-366=312-143+166=868-(833-127)=847-(941-451)=114×3+496=68+188+693=446-99×3=85+267×2=92-(480-414)=465+945-628=287×5=832+316=3/5-1/5=416×3=835+(928-329)=329-(28+150)=42×7+160=84×2+258=230+74=438-241+149=360-264+187=829×2=57×8+950=933+807-47=598-35×4=873-(676-487)=358-(241-173)=680-(155+478)=371-277=639+(716-440)=860-(521+201)=170+311-235=81+52+626=391-73-54=349-(212+114)=176-168+263=900×(339-332)=464×7-970=143×(455-451)=211×(369-366)=301-265+198=707+275-807=427-(465-315)=785+859+525=127+604+761=380-(441-338)=897+(701-547)=196+254=172×4=78+104×4=252+118-114=43+405+428=309-165-115=909-263+549=203+(783-707)=942-106×7=747-668-41=5/9-3/9=16×(642-638)=184×4=153+140=384-72×4=242+38+433=129+(439-298)=126×2+190=975-(885-158)=85×(357-354)=191×3-495=613-510+200=318-(378-256)=116×(165-158)=998-191-757=495-17×8=299+103=140+575+239=200+277-218=369-129-44=209×6=213-138=1/4+2/4=586-507+558=379×2-118=891×3-536=130×3+125=474-303=417+74=859-(620-445)=213+319=135+75×4=128×6=189×3+520=400×5-331=488-312=729-(750-689)=885-746=199-179+204=13×5+412=848-175×4=343-179=70+68+679=305-227=954-138×5=492-407=111×6=256-(445-272)=272-248=426-(408-234)=99+473=851×6=996-175-91=562+805-390=757-(922-499)=172+(486-305)=273+985+661=65×5=200×(267-262)=345-(125+136)=326+241×2=168+79×8=43+347×2=293×2+193=217×(156-150)=443-40×5=745×8=275+95-30=276+(437-227)=231-45×3=209+82-46=752+280+154=161-132+132=744-448+678=473×(64-61)=970+(542-346)=14×7=144×9-302=265+354=996-74×6=761+587-359=330×5-876=196×3-28=146×6-322=321×(117-114)=409-(50+129)=645+84×4=154×(75-66)=253-111-102=384+(130-32)=644×6-853=439-(338-283)=484-69+78=894×8=801+963=305-117-184=99+505+365=877+(971-406)=668-133×5=855-95-145=222-46×4=140-(393-387)=21+286×3=139+(344-161)=268×5-184=76×(367-359)=377-(244-205)=811+(525-491)=669-113×3=228-48-35=832-214-213=968-784=822×(659-655)=563+(932-813)=812-191-251=644+(437-250)=446+272+207=978×(471-466)=304+385+153=230+(990-699)=344×2-660=791-50×7=255-225+142=730-(309+150)=66+558+971=273+56=504+405-165=906-(961-788)=173×8-209=493-159-197=354+(397-232)=832-(657+98)=230+(326-57)=964-812+276=816-(438-415)=297×3-143=130×4-55=873-379=165+79+746=534+148×4=141-63+471=783-40+963=417-(10+91)=793×7-353=3/4-1/4=995-78-685=80+(330-207)=475×2=250×(985-980)=154×5-471=418+536+41=30+139=391×(430-425)=893+(310-294)=724-(189+405)=757×9-471=824-(550+235)=325+162=912-165×3=396-195-71=839×3-191=115×6+85=887×8=836-251+76=165-18×6=238×(977-970)=709+807=406-162=165×4=361+339+191=607-(796-471)=346-310+174=693+901-877=496-(85+145)=397-(11+50)=933-667=267-11×2=742-342+436=285+54+356=339×4-366=292×2-240=400-118-144=651-31+292=370-34×4=962-(33+342)=4/7-1/7=283-103-155=490-426=99+(333-10)=593-113-353=164+556=277-228=483×2+777=60×(111-103)=469-372=211-17×8=376-55+101=164×3+316=595×7=386+610+986=1/7+2/7=64×8=417+618+237=368-(359-227)=49×4+342=161+486=439-(220+185)=49+(330-68)=402-157-11=159+676-443=454-380+351=231+90-71=740-149-539=300+639-149=256+50=439-97+372=100+45×4=785×7-79=235-(351-350)=278+227=383-111+543=171×5+271=240+241-289=230×3-277=373-(105+17)=185-110=104+177=552-(222+134)=519×8=138×3=357×2=916+645-10=578-(271+33)=221×(238-234)=422-88×4=426-117×3=390-218-104=158+228-287=136+931+331=493-106-241=774×(177-170)=837-697-66=565+278+22=377-211=365-335=138+345=711×6=266-41+205=1/8+7/8=677+323+516=446-433+381=134×6-378=279+297+231=265+199-333=940+47×7=733-(395+112)=688-190×2=424-227=310+(221-80)=103-79=243-235+469=675-39×7=174+(790-393)=837+126-489=54+(474-221)=98×(348-340)=639-43×6=636+524-360=289-(179+12)=3/7-1/7=444+143×3=372-(366-337)=371-132=464-(715-466)=788-266=127+578-401=205+274=229×3-593=978-239-451=141+108=53×(173-165)=931-(170+485)=473-388=59+226+547=150+354+479=31×(474-465)=317×2-87=598+11-251=483×2=256-19×3=310+192=34+336-90=501-86+569=261+(751-338)=63×5=5/8+3/8=722-247=429-(255-113)=883×(700-691)=772-88+77=689×3=62+425+511=929-(410-200)=549×4-935=769-(819-147)=240-16×6=572-14+303=154×6-447=497-(381+92)=730-388+732=761-(477+271)=267+(439-351)=240×(433-430)=151×(147-143)=68×(34-28)=486+553-993=736-320-23=349+24+125=461×6-139=631-76+75=871-166-414=97+871-159=138+202-203=139+138-264=817-353-257=338-163=100×5+263=940-(991-580)=286-27+682=291-272+886=802×8-946=509-12-219=412+(271-98)=54-(278-255)=497-29-152=711+(318-105)=565+912=748-499=90+(312-302)=403-158-116=71×8=199×3+229=406-(344-320)=95-23=250×2+627=16+273-258=163×(54-49)=638-348-157=311-164-145=13×(631-623)=792+763+788=114×(291-286)=360-(228+107)=73×5+177=80×(317-309)=76-21×2=261-100-160=675×9=302-83×2=105+(224-57)=400-353+256=58-12×4=245+101=468×3=186+197+435=59×3=48×(400-393)=904-531=865-148×2=195×(190-187)=1/5+3/5=126+52=368×(980-976)=227×4-340=195×3=152+853-165=202+(679-223)=93-75+26=423-(130+260)=448-36×7=181+138=799-(993-351)=629+563+576=254×4-90=106×2+512=838-(66+321)=28+283-181=760×(442-436)=786+279-256=291×(786-778)=897-57×5=489+48×6=293+154×4=384-257+47=276×3=4/8-3/8=91+561+314=327-(133+135)=3/8-2/8=372-(161+183)=930-(284+458)=699-(907-696)=487-452+240=94×(376-373)=690-(535-24)=801+(368-75)=345×2-451=5/8-3/8=466+43×7=304×6-355=648+362-600=188+50=924-181+817=92×3=417-402+53=791-766=214-(305-274)=545-(190+222)=238-164=313+50+431=419-11-133=25×(59-54)=431-(16+395)=70×6+260=118-(89+24)=244-(66+74)=945×(392-388)=391-28×3=43×7-58=477-(34+438)=146+177-20=482-(460-412)=6/9+2/9=891+271×2=236×2=768+(597-42)=399-70=217+202=976-276=531-(56+10)=30×(279-271)=730-(116+215)=219-(283-128)=406-(72+226)=839-(929-907)=383-175+184=292+51-281=940+94-131=86×(124-118)=436-35-14=418+(488-326)=298-15=91+290-110=497+(239-44)=239+198=166+80+485=867+(986-227)=460-36-354=237×3+280=313-12=4/5-1/5=311×3-635=867+317-313=681+(653-213)=1/6+4/6=215×2+332=477-137-270=573-(161+209)=174+44=211+226-114=510+250=289+675+63=176+43=874-(909-232)=382-(311-193)=449-163-238=469×2=138×6-759=361-191=350-157-57=230×3=129+106=348-112=474-402=936+(951-514)=105×8-393=221+918-530=469-24×8=320×2=736-423=71×(419-412)=466-329+570=264-141+98=689×9=260-(42+180)=937-573-218=666×(495-489)=119+534+970=352-188+117=312×7=667-604=923-174-416=311×3=791-(182-104)=119+216+585=441-(22+322)=712+270+277=369-73×2=26+163+341=376+606=117+23×2=225×3-256=48+358-249=100×6-81=289×2-199=951-(756-137)=233+(350-224)=982+907-915=54×9-202=502-114-126=94+295+369=869-209=112+481=411-78=455+677+966=418-68×4=286-(57+146)=350-163-176=96-67=489×2-792=188×5+682=258+56-170=413+401=91+190-151=91×4=294×(243-235)=753+330+225=711-(60+96)=197×(85-81)=549+611-672=77×7+563=295+153=427+39-251=447+231=455-(155+131)=364+841=904×5=483-79×4=768×4=336+159+841=827+293-656=807-56×6=989+324×3=457-(159-18)=106×6=280-274+126=876-52×7=423-17×7=770×7=659×8=758-215×2=713×4-665=247-216=891-98×2=272×(157-154)=198-(212-79)=118×3=123+178×3=56+430+406=877-156-303=820-119-345=891×5-900=346-137+272=444-31-228=467-(230+124)=962+111×8=884-(708+151)=14×6+866=200+76=320+156-139=758+(624-133)=683-369=134+139=1/8+4/8=826-457=990-99×3=199-(148+15)=850×6=383×3=261-80×2=979+261+135=372×3=4/6-1/6=59+310+30=105×2=718-(49+328)=86×8-399=696×2=885-(267+549)=561-103+309=81×4=84×3=856+(993-988)=233-181+618=822-786=399×9=396-215-65=341-82×4=436×(399-395)=204×4-204=17×5=818-354-56=181+(260-21)=230+117×2=1/8+2/8=733-254-149=346-278+194=351+(345-272)=222+361+387=916-110×5=52×6=250+(525-64)=208×(201-198)=396-30×7=372+102=407+251=172-(17+20)=760-(840-681)=429-(239-155)=299+347×2=347-134-103=995-60×6=215-(135-133)=272+54×2=990-204-740=289+75×5=477-(237-104)=960+429×2=21+45-61=94×8-431=434-(984-712)=846×5-599=164+(439-336)=164-72+225=825-(147+653)=500+(830-397)=261+(495-77)=180×3-525=461-(238-138)=246+239=540+26+183=163+667-631=253+104×8=235×(319-316)=38+309-50=4/6-2/6=參考答案753-(104+193)=456760-608+392=544355×2-328=38267+213=280653×(311-306)=32652/3-1/3=1/3802-30=772490+216=706865-(184+22)=659801-745+597=6534/8+2/8=6/8304-(337-48)=15496-70×7=644×(102-93)=396470-(135-86)=421116×(62-59)=348803×(805-799)=4818404-50=35490+308+25=423420-184=236369-276-87=653×9-40=437866-48×6=57874+(261-76)=25982×4=328230×3-572=118549×(430-422)=4392906-(929-340)=317236×8-78=1810138×(893-885)=1104571+(816-465)=922645+81+84=810118×3-91=263150-79-39=32281-14×2=253711+574-898=387375-46×6=99983-193=790262+644=90618+370×2=758877-(411-186)=652249+282+524=1055456-(381+27)=4886×5+264=694356+(410-242)=524500-58×7=94331-330+493=494928-(82+189)=657839-354×2=131320×(885-881)=128034×6+501=705282+168=45076×3+331=559474-144-320=10407-(190+177)=40451-50×4=251705-239-249=217972-(836-71)=207405-374=31452-374+149=227461-(206+35)=220811×9-506=6793352-197=155483-349+238=372641×7-706=3781572-143×4=0271-(288-199)=182266×3=798202+381+301=884177+219=396904-(18+408)=4781/5+2/5=3/5142+960-255=847949-629=320205+76=281195+229-138=286137-(760-722)=99951+131-632=450126×6+90=846397-(290-123)=230784×7-974=4514836+(477-157)=1156883+394+282=1559709×6=4254319×(936-929)=2233756+(564-40)=1280236+(286-65)=457468-36×5=288413-117-269=27456-11×3=423367+306+325=998298+84=382799+(755-233)=1321171+18×4=243141+324-161=3041/3+2/3=1528+404=932478-334=144993-(126+145)=722276+595=871374-203-145=2660×(139-132)=420176+209=385166+773+981=1920471-(325-221)=367892-417=475359-116+61=304811-555+221=477285+(115-85)=315285+367+579=1231507-45×6=237371+749+124=1244609+53×9=108624+335+682=1041204+21-15=210710-267=443199+258=457984-405-573=6507+693+128=1328319+426=745451-180-25=246369×(890-886)=147680+236+565=881884-840+697=741462-448=14116×7+17=829367+120-20=467306-272+44=78470+(476-226)=720326×7=2282447-(126+285)=36925×(700-696)=3700930-856+150=224353-263-17=73385-(392-183)=176223+337×2=897152×4-72=536487-22×8=311116+292=408468+(381-56)=793680-261=419711+(760-567)=904383+(429-204)=608556-38=518216×2-416=16254+(284-234)=304408+606-301=713189+283=472930-(227+78)=625377+421=798913-(374-228)=767106+291-366=31312-143+166=335868-(833-127)=162847-(941-451)=357114×3+496=83868+188+693=949446-99×3=14985+267×2=61992-(480-414)=26465+945-628=782287×5=1435832+316=11483/5-1/5=2/5416×3=1248835+(928-329)=1434329-(28+150)=15142×7+160=45484×2+258=426230+74=304438-241+149=346360-264+187=283829×2=165857×8+950=1406933+807-47=1693598-35×4=458873-(676-487)=684358-(241-173)=290680-(155+478)=47371-277=94639+(716-440)=915860-(521+201)=138170+311-235=24681+52+626=759391-73-54=264349-(212+114)=23176-168+263=271900×(339-332)=6300464×7-970=2278143×(455-451)=572211×(369-366)=633301-265+198=234707+275-807=175427-(465-315)=277785+859+525=2169127+604+761=1492380-(441-338)=277897+(701-547)=1051196+254=450172×4=68878+104×4=494252+118-114=25643+405+428=876309-165-115=29909-263+549=1195203+(783-707)=279942-106×7=200747-668-41=385/9-3/9=2/916×(642-638)=64184×4=736153+140=293384-72×4=96242+38+433=713129+(439-298)=270126×2+190=442975-(885-158)=24885×(357-354)=255191×3-495=78613-510+200=303318-(378-256)=196116×(165-158)=812998-191-757=50495-17×8=359299+103=402140+575+239=954200+277-218=259369-129-44=196209×6=1254213-138=751/4+2/4=3/4586-507+558=637379×2-118=640891×3-536=2137130×3+125=515474-303=171417+74=491859-(620-445)=684213+319=532135+75×4=435128×6=768189×3+520=1087400×5-331=1669488-312=176729-(750-689)=668885-746=139199-179+204=22413×5+412=477848-175×4=148343-179=16470+68+679=817305-227=78954-138×5=264492-407=85111×6=666256-(445-272)=83272-248=24426-(408-234)=25299+473=572851×6=5106996-175-91=730562+805-390=977757-(922-499)=334172+(486-305)=353273+985+661=191965×5=325200×(267-262)=1000345-(125+136)=84326+241×2=808168+79×8=80043+347×2=737293×2+193=779217×(156-150)=1302443-40×5=243745×8=5960275+95-30=340276+(437-227)=486231-45×3=96209+82-46=245752+280+154=1186161-132+132=161744-448+678=974473×(64-61)=1419970+(542-346)=116614×7=98144×9-302=994265+354=619996-74×6=552761+587-359=989330×5-876=774196×3-28=560146×6-322=554321×(117-114)=963409-(50+129)=230645+84×4=981154×(75-66)=1386253-111-102=40384+(130-32)=482644×6-853=3011439-(338-283)=384484-69+78=493894×8=7152801+963=1764305-117-184=499+505+365=969877+(971-406)=1442668-133×5=3855-95-145=615222-46×4=38140-(393-387)=13421+286×3=879139+(344-161)=322268×5-184=115676×(367-359)=608377-(244-205)=338811+(525-491)=845669-113×3=330228-48-35=145832-214-213=405968-784=184822×(659-655)=3288563+(932-813)=682812-191-251=370644+(437-250)=831446+272+207=925978×(471-466)=4890304+385+153=842230+(990-699)=521344×2-660=28791-50×7=441255-225+142=172730-(309+150)=27166+558+971=1595273+56=329504+405-165=744906-(961-788)=733173×8-209=1175493-159-197=137354+(397-232)=519832-(657+98)=77230+(326-57)=499964-812+276=428816-(438-415)=793297×3-143=748130×4-55=465873-379=494165+79+746=990534+148×4=1126141-63+471=549783-40+963=1706417-(10+91)=316793×7-353=51983/4-1/4=2/4995-78-685=23280+(330-207)=203475×2=950250×(985-980)=1250154×5-471=299418+536+41=99530+139=169391×(430-425)=1955893+(310-294)=909724-(189+405)=130757×9-471=6342824-(550+235)=39325+162=487912-165×3=417396-195-71=130839×3-191=2326115×6+85=775887×8=7096836-251+76=661165-18×6=57238×(977-970)=1666709+807=1516406-162=244165×4=660361+339+191=891607-(796-471)=282346-310+174=210693+901-877=717496-(85+145)=266397-(11+50)=336933-667=266267-11×2=245742-342+436=836285+54+356=695339×4-366=990292×2-240=344400-118-144=138651-31+292=912370-34×4=234962-(33+342)=5874/7-1/7=3/7283-103-155=25490-426=6499+(333-10)=422593-113-353=127164+556=720277-228=49483×2+777=174360×(111-103)=480469-372=97211-17×8=75376-55+101=422164×3+316=808595×7=4165386+610+986=19821/7+2/7=3/764×8=512417+618+237=1272368-(359-227)=23649×4+342=538161+486=647439-(220+185)=3449+(330-68)=311402-157-11=234159+676-443=392454-380+351=425231+90-71=250740-149-539=52300+639-149=790256+50=306439-97+372=714100+45×4=280785×7-79=5416235-(351-350)=234278+227=505383-111+543=815171×5+271=1126240+241-289=192230×3-277=413373-(105+17)=251185-110=75104+177=281552-(222+134)=196519×8=4152138×3=414357×2=714916+645-10=1551578-(271+33)=274221×(238-234)=884422-88×4=70426-117×3=75390-218-104=68158+228-287=99136+931+331=1398493-106-241=146774×(177-170)=5418837-697-66=74565+278+22=865377-211=166365-335=30138+345=483711×6=4266266-41+205=4301/8+7/8=1677+323+516=1516446-433+381=394134×6-378=426279+297+231=807265+199-333=131940+47×7=1269733-(395+112)=226688-190×2=308424-227=197310+(221-80)=451103-79=24243-235+469=477675-39×7=402174+(790-393)=571837+126-489=47454+(474-221)=30798×(348-340)=784639-43×6=381636+524-360=800289-(179+12)=983/7-1/7=2/7444+143×3=873372-(366-337)=343371-132=239464-(715-466)=215788-266=522127+578-401=304205+274=479229×3-593=94978-239-451=288141+108=24953×(173-165)=424931-(170+485)=276473-388=8559+226+547=832150+354+479=98331×(474-465)=279317×2-87=547598+11-251=358483×2=966256-19×3=199310+192=50234+336-90=280501-86+569=984261+(751-338)=67463×5=3155/8+3/8=1722-247=475429-(255-113)=287883×(700-691)=7947772-88+77=761689×3=206762+425+511=998929-(410-200)=719549×4-935=1261769-(819-147)=97240-16×6=144572-14+303=861154×6-447=477497-(381+92)=24730-388+732=1074761-(477+271)=13267+(439-351)=355240×(433-430)=720151×(147-143)=60468×(34-28)=408486+553-993=46736-320-23=393349+24+125=498461×6-139=2627631-76+75=630871-166-414=29197+871-159=809138+202-203=137139+138-264=13817-353-257=207338-163=175100×5+263=763940-(991-580)=529286-27+682=941291-272+886=905802×8-946=5470509-12-219=278412+(271-98)=58554-(278-255)=31497-29-152=316711+(318-105)=924565+912=1477748-499=24990+(312-302)=100403-158-116=12971×8=568199×3+229=826406-(344-320)=38295-23=72250×2+627=112716+273-258=31163×(54-49)=815638-348-157=133311-164-145=213×(631-623)=104792+763+788=2343114×(291-286)=570360-(228+107)=2573×5+177=54280×(317-309)=64076-21×2=34261-100-160=1675×9=6075302-83×2=136105+(224-57)=272400-353+256=30358-12×4=10245+101=346468×3=1404186+197+435=81859×3=17748×(400-393)=336904-531=373865-148×2=569195×(190-187)=5851/5+3/5=4/5126+52=178368×(980-976)=1472227×4-340=568195×3=585152+853-165=840202+(679-223)=65893-75+26=44423-(130+260)=33448-36×7=196181+138=319799-(993-351)=157629+563+576=1768254×4-90=926106×2+512=724838-(66+321)=45128+283-181=130760×(442-436)=4560786+279-256=809291×(786-778)=2328897-57×5=612489+48×6=777293+154×4=909384-257+47=174276×3=8284/8-3/8=1/891+561+314=966327-(133+135)=593/8-2/8=1/8372-(161+183)=28930-(284+458)=188699-(907-696)=488487-452+240=27594×(376-373)=282690-(535-24)=179801+(368-75)=1094345×2-451=2395/8-3/8=2/8466+43×7=767304×6-355=1469648+362-600=410188+50=238924-181+817=156092×3=276417-402+53=68791-766=25214-(305-274)=183545-(190+222)=133238-164=74313+50+431=794419-11-133=27525×(59-54)=125431-(16+395)=2070×6+260=680118-(89+24)=5244-(66+74)=104945×(392-388)=3780391-28×3=30743×7-58=243477-(34+438)=5146+177-20=303482-(460-412)=4346/9+2/9=8/9891+271×2=1433236×2=472768+(597-42)=1323399-70=329217+202=419976-276=700531-(56+10)=46530×(279-271)=240730-(116+215)=399219-(283-128)=64406-(72+226)=108839-(929-907)=817383-175+184=392292+51-281=62940+94-131=90386×(124-118)=516436-35-14=387418+(488-326)=580298-15=28391+290-110=271497+(239-44)=692239+198=437166+80+485=731867+(986-227)=1626460-36-354=70237×3+280=991313-12=3014/5-1/5=3/5311×3-635=298867+317-313=871681+(653-213)=11211/6+4/6=5/6215×2+332=762477-137-270=70573-(161+209)=203174+44=218211+226-114=323510+250=760289+675+63=1027176+43=219874-(909-232)=197382-(311-193)=264449-163-238=48469×2=938138×6-759=69361-191=170350-157-57=136230×3=690129+106=235348-112=236474-402=72936+(951-514)=1373105×8-393=447221+918-530=609469-24×8=277320×2=640736-423=31371×(419-412)=497466-329+570=707264-141+98=221689×9=6201260-(42+180)=38937-573-218=146666×(495-489)=3996119+534+970=162335