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729+869=581-575+919=972-21=430+246=952-588=294+953+173=163×4+261=443-37-116=190-181+80=277-16-121=739×9-347=11+(920-468)=905-401=904+756-540=50-(141-139)=759×3-441=814-180-628=683+830-229=494-57×6=368-151=240-21=946-413-21=879-386-95=182×4-11=812-(122+159)=55×(533-529)=757-(202+273)=258-51+121=607+107×8=327+(417-268)=688+558-102=675-219+212=363-(724-462)=227+148+500=566-38=107-(63-52)=399-(104+199)=524+(509-330)=430-(451-290)=159-72-52=700-52-504=227-115+16=159-96+274=382-270=549×8-737=710+(808-416)=670+496-147=102×2=54+60+369=124×7=327×6-97=193-(173-32)=4/7-1/7=460-(139+123)=872+152+111=410+71=779+705-309=986-489×2=182-77×2=490-212+86=288-38×4=864+17-604=149+211+564=162×(671-663)=389+25-220=441-(29+382)=881-658=356×2+184=366-331-21=77×8+13=992+952+300=191+118×5=429-24×7=22+128-54=369+(565-43)=304-(679-658)=32×9+906=791×7-565=5/9-3/9=417+12+554=812-138-574=83+867+224=503×(446-441)=355-306=104×(90-87)=356+235+13=466-449=985-331=975+384+226=195+(409-106)=343+(435-32)=481-312=292×8-765=69×(440-432)=467-31×2=440×6-363=740-171×2=419-58×5=795-635-45=280+(272-202)=105×7-163=1/7+2/7=568-402=488-(893-658)=382-113=66+332+270=139+279=394+(981-979)=420-(172+216)=581×7-901=63+893+484=219×3-162=146+70×2=1/5+4/5=225-(48+111)=456+(143-121)=937-161×2=101×3+87=462-(376+73)=485+394-331=266×3-586=273-225+246=229-(38+134)=136+525=299-105+300=901+167×2=613+(169-58)=5/7-2/7=854-321-300=369-(442-298)=892-148+613=761-(928-748)=695+428+565=151-19×7=470-265-77=163×4-62=327-179=274-219+103=294+447+484=140×2=767-148-465=91-50-39=847×2=394-45-340=15+282+562=149×5+619=354-(329-281)=610+(655-147)=970×(425-418)=773-109+859=238-43-71=141×(108-103)=35×(458-453)=3/7+2/7=68+115=194×5+823=623-25×5=316+67-177=358-15-301=581+159+187=44×5=392+41+61=65×(419-412)=579-314-101=335×9-721=801+447=936+608=78×5=246+214=4/8+2/8=422×2-468=714+33+720=116×2=459-84=66×6=184-(169-16)=620+508-903=6/9+2/9=999-(955-650)=444+681+489=778×(847-838)=439+100×2=355+48×9=502+(606-37)=556-66×3=470-(292-180)=489-98+105=344+229+605=445-150+921=816+746-65=495-(278+206)=235+281=294-212+372=675+(516-258)=115-65-43=364+127+298=381+13×2=219×5-104=25×6-130=315-(233-172)=623-(609-72)=520-(184+285)=712+486+266=245×2-54=344-266-10=239×2+238=724-43×8=42+434×2=733-403+875=287×2=898+520+576=495-(487-156)=11×2=934+261+850=979-(413-32)=889-(159+379)=975-229=197×(464-459)=855-(326+208)=448-203+53=379-(115+183)=778+691-137=712-33×5=123×6=65×5+198=384+287+106=401-(13+99)=547×(334-328)=15×(328-324)=340-201+198=48-(481-443)=668-500=388-93×4=240+412-311=833-245×3=390-99×3=462+(696-476)=134×(306-302)=87×9-48=157×(41-36)=408-404+481=10×2=159+246-320=408-67×5=722+166+105=307-(91+88)=20×3=562-(875-638)=201-(299-229)=670×(388-379)=271+(349-122)=116×3=149+631+91=150-49×3=903-(890-751)=40+(811-251)=97+(498-424)=241-113-32=455-(94+82)=297+59-97=234-(274-132)=662-33×5=599-546=260+41-74=125-50-72=803-152-337=373-171=990+(881-391)=229+256+338=370+26×9=55×5-72=389-199+109=461-(10+450)=953-(463-314)=917-166-294=369+25-351=851-753-88=398-366=22×6=325×2-335=89+(211-25)=276-64=455×2=191-126=796-42×7=328+26+386=679×6-48=448+(436-268)=57+322×2=363+95-117=348+116-146=353-76-64=283-84×3=377-163+268=241×4=720-(513+156)=955-55×5=941-(508+181)=50+(572-548)=440-241=747+922+358=25×5+459=482-(260-127)=3/8-2/8=483+620-466=420-402+287=440-(81+304)=45×3=74×4+346=328+128=785+17×7=34+240-43=250×3-519=359-(114+46)=96+314=66×9-32=114×7+169=173-49-40=288+153=796×2=316+205+753=162+167=950-(224+688)=290+847=257+167=123×5-116=590-261+723=86×3-103=38+207=379-71-117=390-(269+30)=474-447=435-88×2=263×7=49×2+314=139×2=571-109=60+92=394+(260-36)=676×(786-777)=282×(544-535)=530+(475-454)=917-360=294+56=496+441=627+997-114=940-(249+399)=263×3-192=500+299+125=203-86+567=1/6+3/6=367+89-19=987-(50+729)=370-(289-23)=196×3=281×(57-54)=178+128-93=191+23×2=390×(818-813)=79×(392-385)=123×3=335-36-103=95×(360-351)=880-(870-196)=108×3=484-(223-66)=470-314+94=277+180+500=345-42=36+204=200+(47-22)=691+464×2=196+(481-240)=605+148×6=184-(346-291)=925-(592+108)=478-(396+51)=890-(323-70)=717-(425+141)=304+193=12-10+447=490-47×7=598-130-449=266-217=916-136×6=488-(421-178)=519+574-880=581-(136+434)=995-399×2=45+63-77=295+332+59=891-43=100+(983-271)=645×8-901=205×2+223=633+915+197=987+569=298-(452-207)=494-(82+64)=97×(488-482)=167+122×2=649-266-368=274×7-855=329+316+80=77×(533-529)=272-18×9=210+(491-143)=2/3-1/3=698-(306+145)=328-155=162×5=190×(331-327)=434×9=195×5=586-294+810=811+(894-796)=453-207×2=379+265+84=973-146-595=465-316-120=367+121×8=356-262+105=335-97-234=32×8=183×2+290=135×7=71×9-345=674-47×4=118×5=164+(192-55)=65×(412-409)=5/7-1/7=680-295×2=555+698=179+31-153=436-208-128=429+322-589=949-47×7=410-89×3=294+154-28=508-(387+16)=462-71-356=329-277-30=243-(235-154)=153+102=934×5=932-250+518=479-27-98=147+222=661-116+850=493+(425-330)=96×2-138=854-468+565=404+14-355=126×3+277=474-217-252=638-(619-306)=47×(956-952)=40+330+495=897+144+980=709-117×3=611-(477+90)=945×(774-768)=990×(282-274)=256×3-418=466+574-645=688+381+283=509-443+221=258+236=43+266-156=207×2+407=4/8+3/8=412-224-187=909-675+224=331×3=312-(987-910)=370-354+70=81×3-201=460-238-196=635-566=169+(198-168)=291×(847-841)=241+821-216=528-206+975=434+55×2=295-174-52=483-447+47=184+70-160=216×(756-750)=772-149=403+(490-132)=5/8+2/8=156+510=460-156+49=894-20×9=722×6=790+31+367=129×(198-191)=629-590+249=312-(140+100)=6/8-2/8=977-(158-29)=755-264×2=922-(452-436)=784+90×5=765-523+77=433×8=498-(359+94)=500+(555-447)=200×5-93=378+83-406=143+12+506=665-179=214+239=661×(272-268)=466-35×9=123×7+436=504+37+703=317+89+70=440+19+212=308+149=143+173=948×(398-395)=402-15-132=325-37×6=310+119=973-67×4=176+357=26+321-173=775×9-982=749-(123+98)=79+32=287+125-235=151+270+67=86×9-446=368×9=106-64=278+204-299=169+(251-66)=793-175=753+658-75=181+79×7=454+(657-320)=334-22×6=374-(402-136)=306-254=471-10-386=963-237+524=763-182=377+33-408=415×9=285×9-336=828×6-777=1/4+3/4=602+630-226=414-310+19=643-(287+268)=266-66×4=137×7+390=253-219+303=885-89+170=396-(295-286)=477-(478-348)=253+(496-493)=622+812+412=65×9+116=881×(671-665)=371-26×6=3/6-1/6=405-105+17=165+218-134=331×(287-284)=913×(794-789)=82×(459-454)=253×2=528+286-110=605-92+754=108+13×5=423+970=439+338=293-(12+35)=428-26-292=453-(455-17)=793-(395+117)=259-(84+19)=101-(258-169)=133-64=69×3=245+156=413-(251-33)=450-398=121-70-51=32+(120-11)=511-(11+444)=304-58×4=430+(968-336)=64+(861-686)=112×7-364=296-(175-36)=159+222=699-(275+16)=130×5-108=461-(348+80)=901-(167+197)=881-200+242=162×3+140=64+283=310×2=436-(519-125)=77×5+221=583×(124-115)=486-(24+366)=152+514=637+464=976×2=73+528+334=872×2-291=51×3-99=643×(735-731)=479-178=433-(73+153)=464+(638-586)=325-30×3=153×3=171+375+150=604-430-33=341-(241-65)=856-149×2=828-78×8=71+338-265=967-736=473-151=71+244-196=264-135+314=193+222-410=300+(355-261)=121-96=408-(434-376)=234-119+282=476-343=216×3=958×9=133×2-94=382+109×3=48×6=808+167×2=603-224=346×(551-547)=651+104+19=338+105×4=334-(407-88)=826+586+305=299+126=410-245+73=482-268-182=285-252=63×(123-117)=688-577=780+(926-478)=284-34×6=209+539=386×2-446=378-(458-94)=104×(203-195)=146+40=869-307=33×(117-110)=69+(340-156)=402-(21+164)=440-(266-236)=525×(987-980)=174+234=456-149+81=315×2-552=175+279=668-522=407-52=302-183=290-137+86=496-19×3=137+348=268-83+288=597×6=397×2-672=315+93-46=711×8-654=346+243+159=136+(497-290)=12×5=53×3-63=26+286-54=558×6-785=102×(210-206)=404+(956-515)=577-55-435=615-161×2=455-(21+84)=475-381=303+81-136=132+(429-58)=16×2=597-(885-587)=3/5+2/5=164-(52+58)=526+470=112-(120-14)=361-260+108=575+462=818+53×5=97×8-150=368+73+87=126×(335-330)=536-(52+163)=407×4=452-428+18=932+229+677=113+357-261=614×2=447-(145+288)=293-172+448=791-(128-83)=663-539=257×2+403=400-(64+270)=230+(878-554)=885+16+28=2/9-1/9=831×(824-815)=675+537-514=181-21=485-330-87=103+38=499+(470-102)=979+(872-839)=129×3+290=332+(160-94)=301+(485-469)=194-(486-379)=121+368=3/10+5/10=436×8-266=272×(928-921)=676-(250+63)=307+75=469-(27+130)=866×(406-399)=387-42×2=280+472-747=183×(443-439)=781-(720-177)=176×(120-116)=918×9=476-24×4=926+391-180=811×7=146×4+337=74+361+273=138+24×7=248-26+828=178×(387-384)=953-(908-438)=25×4+14=443-(41+296)=181+64+569=267-42-116=464-266=368-(175-106)=64+46=774+(441-297)=978-131-581=757+336-725=98×(418-415)=221+541=450-114=494-36×9=228+211=177×4-477=69×7+939=85+246=177+237=384-23×4=893-(10+191)=476-(491-138)=505-362+956=684+717-341=565+226=251-60=837-(801-175)=6/8-1/8=582-256=716-208×3=929×4=123×8+569=389-20×3=393-58×2=415-234-93=353×8=490+(405-315)=43+132×7=789-339-269=834×6-91=490-(381+108)=47×7+99=4/8-3/8=132×2=11×3=356+(452-341)=139×(243-238)=556-106-317=443+244+179=229+318-259=117+64=576×7=845-(37+151)=301+996-219=368+(148-124)=343×2-338=834-358-29=391+(477-329)=481-201-70=185+(366-78)=87×7-352=276×8-264=26×2+360=204+187-361=69+148×6=2/4-1/4=462-133=31×(205-200)=344-18×5=290×6-275=135+355=400×6-925=559+49+102=820-770+292=366-(113+198)=633×5=153-(445-338)=755-713+924=542-40×3=182×(69-66)=103×(313-310)=190+(995-785)=715-29-331=481+33+484=202×3-225=804-513-61=167×(328-323)=862-138-502=24+134×3=1/5+3/5=607+244×4=461-(528-403)=17×5=809-347+765=897+185×5=306+(381-189)=414×3=194-87×2=477-85×2=442×(548-545)=71×2=186+43-179=112×5-234=參考答案729+869=1598581-575+919=925972-21=951430+246=676952-588=364294+953+173=1420163×4+261=913443-37-116=290190-181+80=89277-16-121=140739×9-347=630411+(920-468)=463905-401=504904+756-540=112050-(141-139)=48759×3-441=1836814-180-628=6683+830-229=1284494-57×6=152368-151=217240-21=219946-413-21=512879-386-95=398182×4-11=717812-(122+159)=53155×(533-529)=220757-(202+273)=282258-51+121=328607+107×8=1463327+(417-268)=476688+558-102=1144675-219+212=668363-(724-462)=101227+148+500=875566-38=528107-(63-52)=96399-(104+199)=96524+(509-330)=703430-(451-290)=269159-72-52=35700-52-504=144227-115+16=128159-96+274=337382-270=112549×8-737=3655710+(808-416)=1102670+496-147=1019102×2=20454+60+369=483124×7=868327×6-97=1865193-(173-32)=524/7-1/7=3/7460-(139+123)=198872+152+111=1135410+71=481779+705-309=1175986-489×2=8182-77×2=28490-212+86=364288-38×4=136864+17-604=277149+211+564=924162×(671-663)=1296389+25-220=194441-(29+382)=30881-658=223356×2+184=896366-331-21=1477×8+13=629992+952+300=2244191+118×5=781429-24×7=26122+128-54=96369+(565-43)=891304-(679-658)=28332×9+906=1194791×7-565=49725/9-3/9=2/9417+12+554=983812-138-574=10083+867+224=1174503×(446-441)=2515355-306=49104×(90-87)=312356+235+13=604466-449=17985-331=654975+384+226=1585195+(409-106)=498343+(435-32)=746481-312=169292×8-765=157169×(440-432)=552467-31×2=405440×6-363=2277740-171×2=398419-58×5=129795-635-45=115280+(272-202)=350105×7-163=5721/7+2/7=3/7568-402=166488-(893-658)=253382-113=26966+332+270=668139+279=418394+(981-979)=396420-(172+216)=32581×7-901=316663+893+484=1440219×3-162=495146+70×2=2861/5+4/5=1225-(48+111)=66456+(143-121)=478937-161×2=615101×3+87=390462-(376+73)=13485+394-331=548266×3-586=212273-225+246=294229-(38+134)=57136+525=661299-105+300=494901+167×2=1235613+(169-58)=7245/7-2/7=3/7854-321-300=233369-(442-298)=225892-148+613=1357761-(928-748)=581695+428+565=1688151-19×7=18470-265-77=128163×4-62=590327-179=148274-219+103=158294+447+484=1225140×2=280767-148-465=15491-50-39=2847×2=1694394-45-340=915+282+562=859149×5+619=1364354-(329-281)=306610+(655-147)=1118970×(425-418)=6790773-109+859=1523238-43-71=124141×(108-103)=70535×(458-453)=1753/7+2/7=5/768+115=183194×5+823=1793623-25×5=498316+67-177=206358-15-301=42581+159+187=92744×5=220392+41+61=49465×(419-412)=455579-314-101=164335×9-721=2294801+447=1248936+608=154478×5=390246+214=4604/8+2/8=6/8422×2-468=376714+33+720=1467116×2=232459-84=37566×6=396184-(169-16)=31620+508-903=2256/9+2/9=8/9999-(955-650)=694444+681+489=1614778×(847-838)=7002439+100×2=639355+48×9=787502+(606-37)=1071556-66×3=358470-(292-180)=358489-98+105=496344+229+605=1178445-150+921=1216816+746-65=1497495-(278+206)=11235+281=516294-212+372=454675+(516-258)=933115-65-43=7364+127+298=789381+13×2=407219×5-104=99125×6-130=20315-(233-172)=254623-(609-72)=86520-(184+285)=51712+486+266=1464245×2-54=436344-266-10=68239×2+238=716724-43×8=38042+434×2=910733-403+875=1205287×2=574898+520+576=1994495-(487-156)=16411×2=22934+261+850=2045979-(413-32)=598889-(159+379)=351975-229=746197×(464-459)=985855-(326+208)=321448-203+53=298379-(115+183)=81778+691-137=1332712-33×5=547123×6=73865×5+198=523384+287+106=777401-(13+99)=289547×(334-328)=328215×(328-324)=60340-201+198=33748-(481-443)=10668-500=168388-93×4=16240+412-311=341833-245×3=98390-99×3=93462+(696-476)=682134×(306-302)=53687×9-48=735157×(41-36)=785408-404+481=48510×2=20159+246-320=85408-67×5=73722+166+105=993307-(91+88)=12820×3=60562-(875-638)=325201-(299-229)=131670×(388-379)=6030271+(349-122)=498116×3=348149+631+91=871150-49×3=3903-(890-751)=76440+(811-251)=60097+(498-424)=171241-113-32=96455-(94+82)=279297+59-97=259234-(274-132)=92662-33×5=497599-546=53260+41-74=227125-50-72=3803-152-337=314373-171=202990+(881-391)=1480229+256+338=823370+26×9=60455×5-72=203389-199+109=299461-(10+450)=1953-(463-314)=804917-166-294=457369+25-351=43851-753-88=10398-366=3222×6=132325×2-335=31589+(211-25)=275276-64=212455×2=910191-126=65796-42×7=502328+26+386=740679×6-48=4026448+(436-268)=61657+322×2=701363+95-117=341348+116-146=318353-76-64=213283-84×3=31377-163+268=482241×4=964720-(513+156)=51955-55×5=680941-(508+181)=25250+(572-548)=74440-241=199747+922+358=202725×5+459=584482-(260-127)=3493/8-2/8=1/8483+620-466=637420-402+287=305440-(81+304)=5545×3=13574×4+346=642328+128=456785+17×7=90434+240-43=231250×3-519=231359-(114+46)=19996+314=41066×9-32=562114×7+169=967173-49-40=84288+153=441796×2=1592316+205+753=1274162+167=329950-(224+688)=38290+847=1137257+167=424123×5-116=499590-261+723=105286×3-103=15538+207=245379-71-117=191390-(269+30)=91474-447=27435-88×2=259263×7=184149×2+314=412139×2=278571-109=46260+92=152394+(260-36)=618676×(786-777)=6084282×(544-535)=2538530+(475-454)=551917-360=557294+56=350496+441=937627+997-114=1510940-(249+399)=292263×3-192=597500+299+125=924203-86+567=6841/6+3/6=4/6367+89-19=437987-(50+729)=208370-(289-23)=104196×3=588281×(57-54)=843178+128-93=213191+23×2=237390×(818-813)=195079×(392-385)=553123×3=369335-36-103=19695×(360-351)=855880-(870-196)=206108×3=324484-(223-66)=327470-314+94=250277+180+500=957345-42=30336+204=240200+(47-22)=225691+464×2=1619196+(481-240)=437605+148×6=1493184-(346-291)=129925-(592+108)=225478-(396+51)=31890-(323-70)=637717-(425+141)=151304+193=49712-10+447=449490-47×7=161598-130-449=19266-217=49916-136×6=100488-(421-178)=245519+574-880=213581-(136+434)=11995-399×2=19745+63-77=31295+332+59=686891-43=848100+(983-271)=812645×8-901=4259205×2+223=633633+915+197=1745987+569=1556298-(452-207)=53494-(82+64)=34897×(488-482)=582167+122×2=411649-266-368=15274×7-855=1063329+316+80=72577×(533-529)=308272-18×9=110210+(491-143)=5582/3-1/3=1/3698-(306+145)=247328-155=173162×5=810190×(331-327)=760434×9=3906195×5=975586-294+810=1102811+(894-796)=909453-207×2=39379+265+84=728973-146-595=232465-316-120=29367+121×8=1335356-262+105=199335-97-234=432×8=256183×2+290=656135×7=94571×9-345=294674-47×4=486118×5=590164+(192-55)=30165×(412-409)=1955/7-1/7=4/7680-295×2=90555+698=1253179+31-153=57436-208-128=100429+322-589=162949-47×7=620410-89×3=143294+154-28=420508-(387+16)=105462-71-356=35329-277-30=22243-(235-154)=162153+102=255934×5=4670932-250+518=1200479-27-98=354147+222=369661-116+850=1395493+(425-330)=58896×2-138=54854-468+565=951404+14-355=63126×3+277=655474-217-252=5638-(619-306)=32547×(956-952)=18840+330+495=865897+144+980=2021709-117×3=358611-(477+90)=44945×(774-768)=5670990×(282-274)=7920256×3-418=350466+574-645=395688+381+283=1352509-443+221=287258+236=49443+266-156=153207×2+407=8214/8+3/8=7/8412-224-187=1909-675+224=458331×3=993312-(987-910)=235370-354+70=8681×3-201=42460-238-196=26635-566=69169+(198-168)=199291×(847-841)=1746241+821-216=846528-206+975=1297434+55×2=544295-174-52=69483-447+47=83184+70-160=94216×(756-750)=1296772-149=623403+(490-132)=7615/8+2/8=7/8156+510=666460-156+49=353894-20×9=714722×6=4332790+31+367=1188129×(198-191)=903629-590+249=288312-(140+100)=726/8-2/8=4/8977-(158-29)=848755-264×2=227922-(452-436)=906784+90×5=1234765-523+77=319433×8=3464498-(359+94)=45500+(555-447)=608200×5-93=907378+83-406=55143+12+506=661665-179=486214+239=453661×(272-268)=2644466-35×9=151123×7+436=1297504+37+703=1244317+89+70=476440+19+212=671308+149=457143+173=316948×(398-395)=2844402-15-132=255325-37×6=103310+119=429973-67×4=705176+357=53326+321-173=174775×9-982=5993749-(123+98)=52879+32=111287+125-235=177151+270+67=48886×9-446=328368×9=3312106-64=42278+204-299=183169+(251-66)=354793-175=618753+658-75=1336181+79×7=734454+(657-320)=791334-22×6=202374-(402-136)=108306-254=52471-10-386=75963-237+524=1250763-182=581377+33-408=2415×9=3735285×9-336=2229828×6-777=41911/4+3/4=1602+630-226=1006414-310+19=123643-(287+268)=88266-66×4=2137×7+390=1349253-219+303=337885-89+170=966396-(295-286)=387477-(478-348)=347253+(496-493)=256622+812+412=184665×9+116=701881×(671-665)=5286371-26×6=2153/6-1/6=2/6405-105+17=317165+218-134=249331×(287-284)=993913×(794-789)=456582×(459-454)=410253×2=506528+286-110=704605-92+754=1267108+13×5=173423+970=1393439+338=777293-(12+35)=246428-26-292=110453-(455-17)=15793-(395+117)=281259-(84+19)=156101-(258-169)=12133-64=6969×3=207245+156=401413-(251-33)=195450-398=52121-70-51=032+(120-11)=141511-(11+444)=56304-58×4=72430+(968-336)=106264+(861-686)=239112×7-364=420296-(175-36)=157159+222=381699-(275+16)=408130×5-108=542461-(348+80)=33901-(167+197)=537881-200+242=923162×3+140=62664+283=347310×2=620436-(519-125)=4277×5+221=606583×(124-115)=5247486-(24+366)=96152+514=666637+464=1101976×2=195273+528+334=935872×2-291=145351×3-99=54643×(735-731)=2572479-178=301433-(73+153)=207464+(638-586)=516325-30×3=235153×3=459171+375+150=696604-430-33=141341-(241-65)=165856-149×2=558828-78×8=20471+338-265=144967-736=231473-151=32271+244-196=119264-135+314=443193+222-410=5300+(355-261)=394121-96=25408-(434-376)=350234-119+282=397476-343=133216×3=648958×9=8622133×2-94=172382+109×3=70948×6=288808+167×2=1142603-224=379346×(551-547)=1384651+104+19=774338+105×4=758334-(407-88)=15826+586+305=1717299+126=425410-245+73=238482-268-182=32285-252=3363×(123-117)=378688-577=111780+(926-478)=1228284-34×6=80209+539=748386×2-446=326378-(458-94)=14104×(203-195)=832146+40=186869-307=56233×(117-110)=23169+(340-156)=253402-(21+164)=217440-(266-236)=410525×(987-980)=3675174+234=408456-149+81=388315×2-552=78175+279=454668-522=146407-52=355302-183=119290-137+86=239496-19×3=439137+348=485268-83+288=473597×6=3582397×2-672=122315+93-46=362711×8-654=5034346+243+159=748136+(497-290)=34312×5=6053×3-63=9626+286-54=258558×6-785=2563102×(210-206)=408404+(956-515)=845577-55-435=87615-161×2=293455-(21+84)=350475-381=94303+81-136=248132+(429-58)=50316×2=32597-(885-587)=2993/5+2/5=1164-(52+58)=54526+470=996112-(120-14)=6361-260+108=209575+462=1037818+53×5=108397×8-150=626368+73+87=528126×(