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707+(373-46)=224-38-58=94×8=84×(252-248)=236-176=223×(121-117)=857-(700+93)=196-111-35=241×9-21=379-347+895=102+326-152=261+132×7=169+44-121=71×4-44=972+(633-262)=448+(464-170)=85×2+31=817-553+221=298-132=293-51-171=189+278=603-76×6=677-204=232×4-408=199×3=585-556+266=59+217×4=451-422+424=410+(366-282)=801+376-482=503+(620-518)=287+148-360=455×(338-331)=435×5-115=304-21+20=238-122+208=5/7-1/7=213+(772-361)=44×9+733=445-366=359-(433-172)=129×6=298×(70-61)=318-(378-315)=933-(616-361)=206-66=555-47-247=145+264×3=204+228=361-104×3=162×(204-198)=883-575=858+981-95=558-(404+22)=734-13×4=524×4-463=172+313=5/8-3/8=429-331+347=263-(239-203)=754-118-463=499-(114+256)=136×4-355=430-10-325=47×6=110+78×4=112+169-229=316-44×5=451×2-658=140×7=395×(796-787)=407+641=345-219+69=76+443+189=58+43=461-77×3=350+968=542-(321+210)=313+115=328+558+854=286+(496-229)=137+(433-390)=485-(154+224)=425-370=689-174-169=106+381-41=585-(128+294)=279-43=218×6=384-(26+308)=634+(94-83)=166+192=393-16=30+(344-133)=142-117+320=879-84+403=953-(797-332)=782-(870-332)=661×(879-875)=545×8-975=969-(218+733)=318+915-348=333×2-357=923+169+156=435-(295-166)=260-164-63=872-151-320=366-272=578-351=446-(436-433)=585×(574-570)=46-12+306=70+314=3/7-2/7=903×9=113+316+104=38×(136-129)=416+89=852×(697-692)=444+(285-41)=536×9-584=240-(45+70)=300-63+200=26+(455-360)=705×3=174-(97-20)=73×6+338=217×3+15=15×2=18+299-305=141×7=146+122-53=354-205+313=82×3=3/6-2/6=739-503+226=319×(51-47)=803-208-343=450-408=38+335-154=508×6-862=144+(165-149)=952×(753-747)=481-(155+284)=437+(496-366)=88×(56-49)=169+212+141=944-(967-949)=824-187-126=547-495+912=172-116+328=357+(309-144)=463-23=404-237-31=182-(206-166)=614×3-768=275-(326-319)=115+956+749=334×(46-41)=475×2-262=490×2-617=303-(382-340)=228+215=865-57-364=131×(275-269)=978+758=486+87+946=630+314=181+37×4=55+67=465-64×6=266+(466-435)=435+143+449=454-15×7=195+523=602×(246-240)=49×7+66=207×2+280=134+(459-281)=919-452×2=431+318+131=245+191+771=551+23×4=956-(65+362)=883-(177+352)=264+111=942-(508+389)=54+385-400=963-(41+358)=2/6+3/6=146+(393-197)=52+90×3=477×2=602×2-15=349-199+820=848×9-428=479+770-357=1/8+6/8=161+38×7=356×2-63=215×(304-301)=999-867=609×(762-758)=6/10-4/10=429-36×2=177×5=860×2=757-746=254×5-397=315+182=943-398+51=165+182=248×(513-508)=75×3+760=6/7-1/7=346+(457-178)=545+(157-122)=604-27×3=857-(223+221)=660-389=223+51=206+421+360=170×4-353=192+63+663=308×6=432-142-42=103×(645-639)=71+801+123=92×(373-368)=445-126-259=477+420+75=400-(63+189)=456-197=674+(856-759)=611-50×5=120×3=524+370=150×6=193+289-304=312+366=289×3=29×5+202=667-20×7=105×(37-28)=950+814=497+818+11=986×(817-811)=125-123+296=168×(109-104)=380-27×6=397-(153+223)=108×(338-330)=364×(837-834)=290+368=849-77+564=221×(361-358)=492-274-111=765×5=398+400=112+385+210=454-68×5=664-558=860-780=930+(624-450)=50×7=387+112+412=282×(112-104)=744×7-502=473-(119+119)=77-(14+55)=17×2+27=312×6-943=500-(103+17)=311+861-518=673+(421-382)=901-(101+798)=106+388-77=93+206-263=178×3-384=576+143+142=786-11×4=146+90-97=401+772+904=638×(882-877)=265-139-109=279+(417-137)=464-275-28=253×3+305=803-659+940=547×4=422×8=443×9-321=615×(708-700)=874-26×2=822-438=479-(18+362)=565-(459-386)=603-251=323×3-918=78×5+653=580-429+472=390+(660-306)=953+585-70=128×4-80=232-21×6=235-70=911-(135+60)=92×(375-369)=619+171×4=298+475-460=167+68=324-14×5=795-212×2=511+250=126×(284-278)=467-(61+358)=839-245-327=428+23-446=2/5+3/5=466-118×2=452-41×2=495-(376-274)=269+58=745-115×4=795-277-27=671-655+356=138-11=938-143+592=198+204-147=134+280=395-(128+243)=774-(101+225)=482-353-29=493+166+288=487-276+758=30+28=254×4-572=472+699+245=44×2=447-(872-791)=201-(158-34)=924+124-161=3/5+2/5=50×2+267=621×(40-34)=133+476-130=374×2-324=1/9+6/9=635+261+92=969-260×2=780+(868-68)=933-(632+259)=500+(928-142)=122×7=461-(46+128)=832+980-70=442+56×2=366×4=472-92-347=449×(213-209)=439-(334+37)=543-292=649+318+21=275+(172-98)=540+763+587=224-102+215=89+219×3=986+694=112+(178-102)=228×4-626=162-(520-505)=92+305=907-98-353=81+128=474-53×4=238×2=218×(694-689)=300-(597-532)=195+(308-176)=121+372-294=179-157+411=389-159+105=451-143+183=4/6+2/6=342×(638-633)=640-120-155=350+73×8=662+611-691=118+(501-315)=274+327+244=77-(138-127)=833-443=135+(406-392)=279×3+232=453-117-142=318×3-906=985+634-353=811+502-183=336-75×4=639+75+551=492-30-254=754×3=268-(148+104)=53×6=310-(289+20)=467-26×6=665-330=374-(239-179)=330×8=564+877=491-200-220=346+(386-302)=1/6+4/6=755-46×8=236-193+345=818+628+311=615+851-698=65+435+179=200×2-294=52×8+414=554+(804-533)=144+19×5=257+372=694-(815-279)=299+187×2=171-(29+89)=431×2=692-(586-232)=266+214=72+399+480=427-402+353=4/5-1/5=108-82=792-(553-351)=250-(23+203)=63-15×3=101×(380-375)=375×2=391-(87+44)=622-181=464-(414-72)=33+68=402-159+134=386×8-365=268-(367-157)=925-(645-453)=615+(509-422)=260-110-99=218-73=836-(673+108)=229+731-737=152×6-111=43-27+302=202+134=441-58-362=93×(271-262)=498-111×2=341-44×7=131+640+15=28×(77-70)=162×2-11=178×(409-406)=863-642-110=310+451=114+478+294=923-17×2=850+156×6=943×(893-884)=910+341+406=650-39×7=603+338-690=53×7=170+(481-446)=781-295=911+227+17=438+(588-310)=762×6-647=343-160=517+86×9=237×3=110×7+420=55+80=184-34=770×6=38×3-77=986+(656-198)=743+793-148=470-165+74=585-88-190=954-93-606=496-348-19=717-489-22=476-10=544+230+85=174+240-209=275+184=96×2-190=13+164-36=449-11-430=264+119-148=6/8-1/8=602+733=203×5=615+337=243+(157-94)=428+(229-158)=332-115+47=230-(428-300)=475-303=523-402=157+(161-155)=827+621+857=440-73-95=330+(870-202)=93×5+198=255+(97-35)=50×6+201=72×(260-257)=140-22×6=244-(259-22)=70×3=158×(393-389)=382+413+100=303+16×7=140+(649-155)=449-33×5=191-47×2=736-244-311=598-108-459=24×9=366-55×6=428×2-53=116-24×4=402-297-39=504-251+461=325+93=172+715=152×3-178=884-39+105=570-104×2=457-(818-464)=272+138-141=15×5+757=793-(526+112)=230-199+82=116×4+287=273×(138-135)=116×(341-336)=591×8-309=293×3-66=473-(344+52)=60×8-246=292+943=518+(585-571)=137+108×9=973-(750-485)=239-136=86+76+806=443-244=532+(390-181)=884-(811-400)=310-76×3=576-(24+70)=832-323×2=92×6+726=487-407-28=483-18×9=359×2-694=129×7-114=799+575+573=256-131+241=347+355+287=591-(62+143)=526-92=456+827-682=251-(179-60)=536-(238+238)=963-(479+85)=272+758+865=849-75=129-79-15=972-37-711=11×3+498=448+57×7=195×(648-640)=251-29=993+388+639=156+(67-63)=693×3-527=234+54-176=713+(990-493)=114+209-51=911-184×2=3/8-1/8=474×5-781=385-178-159=754-(126+537)=326-303=361+335=93×(129-120)=150×2+766=185×4=972-67×3=481+(465-345)=190×3-153=110×9=612×8=178+(432-208)=920-372+840=459-306+18=608-251=66×8=166×6=210-61=466-(167+254)=557+384×2=94×(84-76)=290+177×3=1/7+3/7=2/7-1/7=494-(199+200)=309+170+516=423-138-182=217+(339-10)=953-(404-225)=633-54×8=117+344=755-333-161=756+142+655=225-34×3=157-12+275=65×6+851=93×5=826-(488-147)=51+377-252=134+(110-21)=876-(81-80)=472-36×5=485+(342-272)=980-(21+856)=41+59=429+40×9=292×6-14=245+450=28×(333-329)=219+438+313=258-156+261=155-(276-207)=360-197=387+209-383=909-177+815=249+(253-184)=967-269×3=2/3-1/3=210×2=475-(358-216)=450-135×3=148×3=100×3-129=340+70×2=390×(329-324)=710-527-45=571-(851-634)=197×5=918-(483+319)=944-(237+295)=245+240-172=438-(225-170)=259+191-255=192-168=938-217-399=352-85×2=87+(346-233)=129×3=198+(262-20)=508+774-987=243-(467-336)=485-323+28=18+50=413-(43+113)=192×7-731=613+878-363=499-(399-141)=285×4-315=937-442+666=62-17×2=364-274=437+625+810=292+42-142=303-148=175+14×6=302-(326-304)=458-(20+385)=315-46=581×(293-288)=284+(458-131)=921-906+764=92×8=679×(422-418)=667+562+496=147-132=67×9-98=391×5-853=128+845-674=861×9-668=173×3+14=409-28×2=35×8-192=860+72×8=1/8+4/8=982-785-160=84×(337-330)=291+270-405=151-48=317+56×4=226+103-217=770+23+26=424-90+164=811×4=59×(408-400)=279-34×5=1/5+2/5=790+537-192=96×6+320=591+180-651=269+733+308=555+337×2=16+18=490-23-377=893×8=37×3+211=350-(184+56)=444-382+246=882-52-11=482-(271-28)=251-121+351=915-109-357=380-66=75×4=27×9=396-(103+16)=240×3=991-151-39=360-20×7=174+276-344=381-121=221-56+111=452-(218+211)=626+224+23=903-897+311=55×8-143=287-142=137×7-651=752+144×4=224-(294-256)=428-96×4=471+207+615=536×(902-899)=189+(712-472)=119+520=142+364+145=3/8+2/8=785-(180+378)=949-88+880=478-(292+171)=73+144+243=274+29+176=458-97-348=11×2=205×(431-427)=202+83+174=14×8=598+137+107=483-50×3=610-30×5=288+800-961=786-418-199=668+985-280=96+241=864-266-235=278-157+333=2/7+3/7=132+151=998-(250-178)=447-323-57=973×5=745+16×2=414-(42+221)=196×6-770=80×4+462=156×8=319×6-732=84×7+911=500-(453+29)=58-(494-437)=481×(790-784)=104×5+299=604-(910-886)=2/4-1/4=441+(322-274)=43+(649-126)=422-(283-244)=339+45+116=621-466=817-(636-313)=44+293×3=436-(127+19)=238+457=845-546+718=569-426=354+395=735-82×5=85×(212-206)=341-(382-209)=147+131=954-193+442=427+50-128=594-44=942-269-514=925-(166+185)=161+214+145=423-323=209+626-84=487-101×4=513-451+436=66+145-60=122-(126-102)=323-62+235=122×(114-106)=485-(226+203)=488-177×2=936-495=176-160+176=68×6=185+408+28=76+141=287-249=319-38-247=401+861-227=281×4=21×2+93=188×(334-331)=44+202=346-267=697-(680-26)=437×2-307=649-239+993=614-(447-123)=247-(178-142)=49×5=271+135-396=368+489+525=323-(492-282)=687-(67+450)=457-(86-44)=630-(136-36)=422-(391-291)=162-100-62=832-118×7=244-(295-126)=987-518-105=101+281=236×2-50=78+559+13=参考答案707+(373-46)=1034224-38-58=12894×8=75284×(252-248)=336236-176=60223×(121-117)=892857-(700+93)=64196-111-35=50241×9-21=2148379-347+895=927102+326-152=276261+132×7=1185169+44-121=9271×4-44=240972+(633-262)=1343448+(464-170)=74285×2+31=201817-553+221=485298-132=166293-51-171=71189+278=467603-76×6=147677-204=473232×4-408=520199×3=597585-556+266=29559+217×4=927451-422+424=453410+(366-282)=494801+376-482=695503+(620-518)=605287+148-360=75455×(338-331)=3185435×5-115=2060304-21+20=303238-122+208=3245/7-1/7=4/7213+(772-361)=62444×9+733=1129445-366=79359-(433-172)=98129×6=774298×(70-61)=2682318-(378-315)=255933-(616-361)=678206-66=140555-47-247=261145+264×3=937204+228=432361-104×3=49162×(204-198)=972883-575=308858+981-95=1744558-(404+22)=132734-13×4=682524×4-463=1633172+313=4855/8-3/8=2/8429-331+347=445263-(239-203)=227754-118-463=173499-(114+256)=129136×4-355=189430-10-325=9547×6=282110+78×4=422112+169-229=52316-44×5=96451×2-658=244140×7=980395×(796-787)=3555407+641=1048345-219+69=19576+443+189=70858+43=101461-77×3=230350+968=1318542-(321+210)=11313+115=428328+558+854=1740286+(496-229)=553137+(433-390)=180485-(154+224)=107425-370=55689-174-169=346106+381-41=446585-(128+294)=163279-43=236218×6=1308384-(26+308)=50634+(94-83)=645166+192=358393-16=37730+(344-133)=241142-117+320=345879-84+403=1198953-(797-332)=488782-(870-332)=244661×(879-875)=2644545×8-975=3385969-(218+733)=18318+915-348=885333×2-357=309923+169+156=1248435-(295-166)=306260-164-63=33872-151-320=401366-272=94578-351=227446-(436-433)=443585×(574-570)=234046-12+306=34070+314=3843/7-2/7=1/7903×9=8127113+316+104=53338×(136-129)=266416+89=505852×(697-692)=4260444+(285-41)=688536×9-584=4240240-(45+70)=125300-63+200=43726+(455-360)=121705×3=2115174-(97-20)=9773×6+338=776217×3+15=66615×2=3018+299-305=12141×7=987146+122-53=215354-205+313=46282×3=2463/6-2/6=1/6739-503+226=462319×(51-47)=1276803-208-343=252450-408=4238+335-154=219508×6-862=2186144+(165-149)=160952×(753-747)=5712481-(155+284)=42437+(496-366)=56788×(56-49)=616169+212+141=522944-(967-949)=926824-187-126=511547-495+912=964172-116+328=384357+(309-144)=522463-23=440404-237-31=136182-(206-166)=142614×3-768=1074275-(326-319)=268115+956+749=1820334×(46-41)=1670475×2-262=688490×2-617=363303-(382-340)=261228+215=443865-57-364=444131×(275-269)=786978+758=1736486+87+946=1519630+314=944181+37×4=32955+67=122465-64×6=81266+(466-435)=297435+143+449=1027454-15×7=349195+523=718602×(246-240)=361249×7+66=409207×2+280=694134+(459-281)=312919-452×2=15431+318+131=880245+191+771=1207551+23×4=643956-(65+362)=529883-(177+352)=354264+111=375942-(508+389)=4554+385-400=39963-(41+358)=5642/6+3/6=5/6146+(393-197)=34252+90×3=322477×2=954602×2-15=1189349-199+820=970848×9-428=7204479+770-357=8921/8+6/8=7/8161+38×7=427356×2-63=649215×(304-301)=645999-867=132609×(762-758)=24366/10-4/10=2/10429-36×2=357177×5=885860×2=1720757-746=11254×5-397=873315+182=497943-398+51=596165+182=347248×(513-508)=124075×3+760=9856/7-1/7=5/7346+(457-178)=625545+(157-122)=580604-27×3=523857-(223+221)=413660-389=271223+51=274206+421+360=987170×4-353=327192+63+663=918308×6=1848432-142-42=248103×(645-639)=61871+801+123=99592×(373-368)=460445-126-259=60477+420+75=972400-(63+189)=148456-197=259674+(856-759)=771611-50×5=361120×3=360524+370=894150×6=900193+289-304=178312+366=678289×3=86729×5+202=347667-20×7=527105×(37-28)=945950+814=1764497+818+11=1326986×(817-811)=5916125-123+296=298168×(109-104)=840380-27×6=218397-(153+223)=21108×(338-330)=864364×(837-834)=1092290+368=658849-77+564=1336221×(361-358)=663492-274-111=107765×5=3825398+400=798112+385+210=707454-68×5=114664-558=106860-780=80930+(624-450)=110450×7=350387+112+412=911282×(112-104)=2256744×7-502=4706473-(119+119)=23577-(14+55)=817×2+27=61312×6-943=929500-(103+17)=380311+861-518=654673+(421-382)=712901-(101+798)=2106+388-77=41793+206-263=36178×3-384=150576+143+142=861786-11×4=742146+90-97=139401+772+904=2077638×(882-877)=3190265-139-109=17279+(417-137)=559464-275-28=161253×3+305=1064803-659+940=1084547×4=2188422×8=3376443×9-321=3666615×(708-700)=4920874-26×2=822822-438=384479-(18+362)=99565-(459-386)=492603-251=352323×3-918=5178×5+653=1043580-429+472=623390+(660-306)=744953+585-70=1468128×4-80=432232-21×6=106235-70=165911-(135+60)=71692×(375-369)=552619+171×4=1303298+475-460=313167+68=235324-14×5=254795-212×2=371511+250=761126×(284-278)=756467-(61+358)=48839-245-327=267428+23-446=52/5+3/5=1466-118×2=230452-41×2=370495-(376-274)=393269+58=327745-115×4=285795-277-27=491671-655+356=372138-11=127938-143+592=1387198+204-147=255134+280=414395-(128+243)=24774-(101+225)=448482-353-29=100493+166+288=947487-276+758=96930+28=58254×4-572=444472+699+245=141644×2=88447-(872-791)=366201-(158-34)=77924+124-161=8873/5+2/5=150×2+267=367621×(40-34)=3726133+476-130=479374×2-324=4241/9+6/9=7/9635+261+92=988969-260×2=449780+(868-68)=1580933-(632+259)=42500+(928-142)=1286122×7=854461-(46+128)=287832+980-70=1742442+56×2=554366×4=1464472-92-347=33449×(213-209)=1796439-(334+37)=68543-292=251649+318+21=988275+(172-98)=349540+763+587=1890224-102+215=33789+219×3=746986+694=1680112+(178-102)=188228×4-626=286162-(520-505)=14792+305=397907-98-353=45681+128=209474-53×4=262238×2=476218×(694-689)=1090300-(597-532)=235195+(308-176)=327121+372-294=199179-157+411=433389-159+105=335451-143+183=4914/6+2/6=1342×(638-633)=1710640-120-155=365350+73×8=934662+611-691=582118+(501-315)=304274+327+244=84577-(138-127)=66833-443=390135+(406-392)=149279×3+232=1069453-117-142=194318×3-906=48985+634-353=1266811+502-183=1130336-75×4=36639+75+551=1265492-30-254=208754×3=2262268-(148+104)=1653×6=318310-(289+20)=1467-26×6=311665-330=335374-(239-179)=314330×8=2640564+877=1441491-200-220=71346+(386-302)=4301/6+4/6=5/6755-46×8=387236-193+345=388818+628+311=1757615+851-698=76865+435+179=679200×2-294=10652×8+414=830554+(804-533)=825144+19×5=239257+372=629694-(815-279)=158299+187×2=673171-(29+89)=53431×2=862692-(586-232)=338266+214=48072+399+480=951427-402+353=3784/5-1/5=3/5108-82=26792-(553-351)=590250-(23+203)=2463-15×3=18101×(380-375)=505375×2=750391-(87+44)=260622-181=441464-(414-72)=12233+68=101402-159+134=377386×8-365=2723268-(367-157)=58925-(645-453)=733615+(509-422)=702260-110-99=51218-73=145836-(673+108)=55229+731-737=223152×6-111=80143-27+302=318202+134=336441-58-362=2193×(271-262)=837498-111×2=276341-44×7=33131+640+15=78628×(77-70)=196162×2-11=313178×(409-406)=534863-642-110=111310+451=761114+478+294=886923-17×2=889850+156×6=1786943×(893-884)=8487910+341+406=1657650-39×7=377603+338-690=25153×7=371170+(481-446)=205781-295=486911+227+17=1155438+(588-310)=716762×6-647=3925343-160=183517+86×9=1291237×3=711110×7+420=119055+80=135184-34=150770×6=462038×3-77=37986+(656-198)=1444743+793-148=1388470-165+74=379585-88-190=307954-93-606=255496-348-19=129717-489-22=206476-10=466544+230+85=859174+240-209=205275+184=45996×2-190=213+164-36=141449-11-430=8264+119-148=2356/8-1/8=5/8602+733=1335203×5=1015615+337=952243+(157-94)=306428+(229-158)=499332-115+47=264230-(428-300)=102475-303=172523-402=121157+(161-155)=163827+621+857=2305440-73-95=272330+(870-202)=99893×5+198=663255+(97-35)=31750×6+201=50172×(260-257)=216140-22×6=8244-(259-22)=770×3=210158×(393-389)=632382+413+100=895303+16×7=415140+(649-155)=634449-33×5=284191-47×2=97736-244-311=181598-108-459=3124×9=216366-55×6=36428×2-53=803116-24×4=20402-297-39=66504-251+461=714325+93=418172+715=887152×3-178=278884-39+105=950570-104×2=362457-(818-464)=103272+138-141=26915×5+757=832793-(526+112)=155230-199+82=113116×4+287=751273×(138-135)=819116×(341-336)=580591×8-309=4419293×3-66=813473-(344+52)=7760×8-246=234292+943=1235518+(585-571)=532137+108×9=1109973-(750-485)=708239-136=10386+76+806=968443-244=199532+(390-181)=741884-(811-400)=473310-76×3=82576-(24+70)=482832-323×2=18692×6+726=1278487-407-28=52483-18×9=321359×2-694=24129×7-114=789799+575+573=1947256-131+241=366347+355+287=989591-(62+143)=386526-92=434456+827-682=601251-(179-60)=132536-(238+238)=60963-(479+85)=399272+758+865=1895849-75=774129-79-15=35972-37-711=22411×3+498=531448+57×7=847195×(648-640)=1560251-29=222993+388+639=2020156+(67-63)=160693×3-527=1552234+54-176=112713+(990-493)=1210114+209-51=272911-184×2=5433/8-1/8=2/8474×5-781=1589385-178-159=48754-(126+537)=91326-303=23361+335=69693×(129-120)=837150×2+766=1066185×4=740972-67×3=771481+(465-345)=601190×3-153=417110×9=990612×8=4896178+(432-208)=402920-372+840=1388459-306+18=171608-251=35766×8=528166×6=996210-61=149466-(167+254)=45557+384×2=132594×(84-76)=752290+177×3=8211/7+3/7=4/72/7-1/7=1/7494-(199+200)=95309+170+516=995423-138-182=103217+(339-10)=546953-(404-225)=774633-54×8=201117+344=461755-333-161=261756+142+655=1553225-34×3=123157-12+275=42065×6+851=124193×5=465826-(488-147)=48551+377-252=176134+(110-21)=223876-(81-80)=875472-36×5=292485+(342-272)=555980-(21+856)=10341+59=100429+40×9=789292×6-14=1738245+450=69528×(333-329)=112219+438+313=970258-156+261=363155-(276-207)=86360-197=163387+209-383=213909-177+815=1547249+(253-184)=318967-269×3=1602/3-1/3=1/3210×2=420475-(358-216)=333450-135×3=45148×3=444100×3-129=171340+70×2=480390×(329-324)=1950710-527-45=138571-(851-634)=354197×5=985918-(483+319)=116944-(237+295)=412245+240-172=313438-(225-170)=383259+191-255=195192-168=24938-217-399=322352-85×2=18287+(346-233)=200129×3=387198+(262-20)=440508+774-987=295243-(467-336)=112485-323+28=19018+50=68413-(43+113)=257192×7-731=613613+878-363=1128499-(399-141)=241285×4-315=825937-442+666=116162-17×2=28364-274=90437+625+810=1872292+42-142=192303-148=155175+14×6=259302-(326-304)=280458-(20+385)=53315-46=269581×(293-288)=2905284+(458-131)=611921-906+764=77992×8=736679×(422-418)=2716667+562+496=1725147-132=1567×9-98=505391×5-853=1102128+845-674=299861×9-668=7081173×3+14=533409-28×2=35335×8-192=88860+72×8=14361/