三年级数学(上)计算题及答案集锦

三年级数学(上)计算题及答案集锦748×3-497=72×9+45=335-322=556-(932-835)=943+(468-289)=679+499×2=26×5=117+755+124=952+240×3=953-380=308×9-334=32+447-54=395-(290-177)=890-841+750=44+89+552=81×(499-493)=83-33+120=180×7-135=748-133×4=54+246-17=380+437-732=440-95-187=828+(400-142)=482+12×4=604×5-629=244-(194-170)=160+85-89=456-(21+208)=823+164-502=441-(386-167)=492+(478-195)=362-(214+33)=365+119-113=618-234×2=930-(810-348)=265×(490-487)=106×(141-135)=860+451+428=542×7=629-30×3=868-(688-212)=665-467=826-(779-328)=980-437-393=213+813-407=853+(752-421)=15+781+106=862+509+620=4/9+5/9=28×(433-430)=475-(452-318)=154-51=637-513-28=241-101=704-(362-64)=306-170-122=41×(254-249)=487+848-971=236+(132-12)=22×(215-211)=769-102-538=841-(72+208)=31+(967-641)=359-236=547+112=78-(156-115)=320×3-527=285-39-82=447×3=980×2=404-(430-64)=84+44×2=179×5+944=838+308+770=140+596=274-(23+245)=381-245+145=397-(116+275)=272-213+237=312-52+221=379-(373-195)=436×4-673=253+(331-202)=228-(56+16)=102×2=512×(932-929)=155-(11+38)=243+208=892-(176-166)=679-(111+283)=315-249-21=176×2-10=22×7+424=488-131=309+189=205-57+14=37×9+297=252+210-163=844-593+817=229-141=483-(436-163)=468-285+75=4/8-1/8=55×8-83=439+(377-26)=219+26×3=2/7+4/7=369-196=258-(86+95)=349-89-56=250+(525-392)=536-157×2=71×8+304=634-358-72=622+129-650=853×2=859+531+626=108+431=227+106-263=19×9-66=19+40+884=3/5+2/5=35+210×4=988-56×9=733-550+293=373-64+166=433-84×2=390-78×4=349+121×5=932-299+48=463×2=998-(715-118)=58×9+348=508×6=783+274-117=897-801=465-66-195=302×(163-160)=735+212-548=384×2-370=659+37+489=79×(265-257)=153+279-77=183×4=413+109×4=994-75×4=791×9=577-233+982=392-262=133+(418-130)=966×4=868-(23+188)=170×(223-220)=2/10+6/10=293-(66+173)=184-(23+135)=118×8-716=656-87+721=694-(433-394)=268×2+489=139×3-115=298-91+18=428-234=497-223=4/8-3/8=867-172×3=989+592+872=360-252+39=751×4=871-10×2=284×3-703=595+745-549=734+933+532=598-21×2=480+(854-277)=472-223+220=53+243-104=407+74×2=486-307+83=40×(146-142)=322-(67+193)=383-146=609×(244-237)=401-75+466=399-219+294=757+460=47×8=416-333+696=247-242+96=423+865-218=121×4+316=816+804=433-205-181=58×(229-221)=396×6-976=4/7+2/7=158×6-795=75×(387-384)=977-60-155=358+611+763=117-59=304+(856-824)=348×3-440=1/4+2/4=157-(98+21)=49+103+216=338-10-44=395+475+47=750-171×4=107+520=302+121=134+(487-294)=556+209+33=798+298+504=411+100×5=252-(409-358)=831+(580-414)=449×2=536+37×4=719-492-133=24×4=384+299=681-271=261-95×2=776+(574-201)=101+(424-314)=629+74+247=875+871+399=191+(967-331)=498×2=7/9-2/9=200+383×2=723×(268-263)=607-(985-896)=105+177+97=223+157+537=209+(387-266)=986×3=337-99+37=248×4=229×9-14=151+539+363=997-237-547=93×(441-433)=53+202+682=931+400-890=688-(332+332)=171×4+287=522+(315-88)=476-71-231=288×3=185+47=187+269=409-89+45=336-239-15=924-142×5=122+86-143=627-348=284-54×2=236+(426-57)=195+99×3=431×3=95+(683-221)=252+341+40=830-102-188=322-239=204+(470-298)=449-(104+280)=454+59×2=436-(144+165)=229×7=649+215×3=414-134+40=820-227×2=251-18×5=652+176+123=758×4=353-283=773×(365-359)=661×(703-699)=397-154×2=475-25×2=469-336-33=173+291=1/7+5/7=860-174-623=490×2-958=129+397+103=290×3+128=132+55=908-(546+83)=146-43+52=337+(211-204)=370-92+802=321+109×4=50×9=56+228+428=500×6-996=999-(586+383)=174×4+95=77+108-55=55×3=126+209-262=133-124+373=49×(475-468)=611-456=259-42×6=72×8-336=396-(176+176)=130+258-124=262+(182-157)=455-11×7=323+461=945+131×2=973-(890-480)=561-(620-551)=332+26-257=320-12×4=226+216-22=452-(427-238)=429+550+213=479-(328-122)=833-72×9=327+79=210×6=152×4=509+165+19=158+391+169=183×(839-834)=409+154×2=214-74=578-(780-248)=375-(238+59)=455-146-73=502+295+195=448-10×6=639+355-865=716-236-342=382×(493-486)=15+256+702=949-682-80=73×(232-229)=73+(149-62)=137+330-327=288-(129-91)=436+123=261-51-138=494-207×2=776-(10+719)=135×(86-81)=237-36-59=148+(437-284)=329-223=811-(42+165)=465-(261-158)=444-311=924+10+32=80×8=276+111-314=424-306-27=362-(96+231)=2/4-1/4=104+314=255-96=826-(153+288)=185+329+48=958+(840-187)=884-314=443+(551-38)=41+69+286=190×2-104=1/4+3/4=861-346+789=543×5-53=61×(238-229)=118×(371-365)=752-(436+22)=79×2+806=156-24×3=987-349×2=600-89×3=558+461×2=475-99-138=389×2=349×2=377×2=877+262+62=670+258=660×8-317=143+91+664=852-121+100=343-64+135=144×2+489=620-433+764=323+153-102=429-11+34=223+177=74+769-709=144+340×2=893-(681-203)=160-64=681-(890-802)=498+(339-243)=264×2-241=306-110-118=575+190×4=643+(409-288)=221+276+723=741+979=356-(36+210)=838-(411+348)=484×2-853=976-424-162=323-208+78=522-450=483-86×2=258-22×8=459-349=556-471-79=368-15×2=478+295+214=54+(379-180)=167×3+225=718×(719-713)=63+(239-151)=194×4-24=123+77=189-12×7=963-131-830=498-338-28=177+54+123=401-(153-39)=199×4=342×2-178=242-(207+11)=101×8-757=293-13=341+94-127=372+423+152=166+(621-489)=787×4=3/6-1/6=555×6-718=27×8+449=851-199-455=67×8+545=97×5+282=881-(382+491)=293+49=47×9-420=322-(264-165)=360-26=3/7-1/7=396-(24+26)=950+947=107×6+563=46×(448-439)=354-28+48=542×(136-133)=151+338=391×(360-355)=830-589=495-15×7=648×(479-475)=203+132=333×4-955=493-124-258=393-288-65=34+256-15=126+306=391+(487-148)=264+(365-142)=213-149=465+40×9=766-647+776=18×7+397=175+(841-789)=37×(695-690)=69+(127-13)=10×(197-192)=62×7-23=204+(421-59)=161×(126-120)=344-327=257×5=445-(382-274)=205+262=465-(41+375)=394+(379-70)=18+333+618=305×(66-63)=836-(59+696)=616-39×6=404×2=324-(273-209)=771-318-401=14×2=162-43×2=154-60-18=542×8=799-531=126×5-463=172+641+816=986-(16+465)=400-71-319=374+549-614=483-100×3=281×5-589=983-40-274=720×(794-790)=266-17=215-(36+34)=889+902-885=89+101=938-18×3=411+449=421-33×6=522-(13+195)=704×6-304=77×3=441-23×3=985-602-253=226-12-80=335+108=467×(888-884)=364-214=475-(121-112)=881+913=777-243×2=153×3=343×2+78=33×9+727=260+(756-672)=35+(77-19)=883-(464+236)=650-332=45×9+828=306×3=468+491+573=656-88×5=538-(425+47)=830×8=94×(499-491)=262×8-321=551-251+553=92+140=814+948-389=246×4-579=2/5-1/5=615×(39-32)=283+197-173=46×3+366=201+299=574×3=139+339=393+331-441=122×2+37=970-(360+161)=364-(216+52)=966-(191-132)=656+295-585=762-248-176=786×4=772-549=502+662-964=814×9-819=410×2=401+363=261×3-199=967-404+701=937+(623-150)=804+571-416=43×9+468=128+42=401-303-21=2/3-1/3=199+(874-789)=424-71-129=196-116=431-30×5=732+(600-403)=376-13×8=491-66×3=244-(243-12)=206-(89-86)=817-556=347+77=611-117=255-225+394=439-(480-97)=952×(710-706)=3/6-2/6=197×(138-133)=80×6-32=941-207=199×4-337=964-(676+132)=189+104=549+392×2=257+141=332-(386-364)=92×(169-162)=199+462+58=425-(222+56)=350+902=238+(391-318)=837-438=347-(10+241)=778-82-109=855-833=687-216-104=159-20×7=553×5=750×(455-446)=699×9-744=106×7-421=252-11-238=994+(747-536)=32×7+137=364-155-186=907-446-330=111+11-95=278×7=291-90×3=188+525=225×4=372-171+274=4/7-2/7=338-14×5=158+(142-38)=17×9+213=2/7-1/7=946-190-55=1/5+3/5=324×(325-322)=219-112+138=1/7+4/7=196×2=920-(829-299)=224×2=284+931-415=5/8+2/8=281-157+317=877-646=394-31×2=495-24×4=660×(863-855)=744+647+323=78+243=58+255-146=86×(34-29)=659+77×7=151+(186-22)=67×(56-51)=142×5-180=502×3=155+525+553=798×6-555=389-46×8=477+349-51=333-294=125-19=172×(80-75)=352×2=225-135=194+468-473=689×(889-883)=746-(649-56)=424×9-58=626-(21+353)=800-578+230=120×4-236=141+501+170=736-(120-66)=896-(730-294)=628-452+642=510-183×2=364-(61+29)=298-(13+112)=359×(894-890)=174×4-581=434×(275-267)=451-276-117=971×(546-542)=296×2=729×6-730=559-(786-763)=372-(415-336)=202+240-426=66-27=952+139-341=292+24×2=444-(276+15)=387-(148+105)=797+752=595+170=286+(834-729)=170+261=437+780-896=528+(629-358)=246×(121-115)=858-649=345×(779-770)=332+345=938-756+130=334+(492-64)=229-106+317=636-(286+238)=491+(460-25)=543-489=876-469-367=216+75×6=163×4=350+52×7=355-320=261+(400-308)=480-374+798=84+142=387-258+797=167×(688-680)=850-(742-273)=300-(310-102)=119×7-72=146-(378-256)=638-18-192=228-87=552-(819-378)=728-(845-531)=943-(406-76)=128×6-463=13+388-260=151+301-379=344+82=963-133-665=924+128+333=436-115+28=482-(735-635)=672+64+85=740-175×3=184+645+405=458-(769-435)=88×8=317+997-168=462+(953-721)=74×5+673=493-261=441-(57+161)=867+956+738=367-281+800=638-(445+83)=632+155+172=899-(182+565)=645-574+53=904-(409-207)=38+290-130=222×2+389=240+126=351-195-89=659+842-158=656-35×7=577+542+686=47+714-220=331-73-75=682-102=434+88×4=130-(96+26)=303+(229-165)=272-(189-94)=792×7-118=896×(547-543)=411-46×4=258+(348-85)=671×6-111=110×9-93=318-98=255+29-21=371-(388-166)=288-27×6=423-125-224=458+18-312=137×2=252-46×5=300-107+214=155+105×2=143×2+412=370-(137+51)=850-428+422=4/6+2/6=229+13-109=324-266+56=2/6-1/6=851-442=425-119-119=403-230=775-(120+205)=687×8-136=75×8-113=198+96=90×(42-35)=953-(884-740)=348-(404-138)=140+87=73+385=492-(421-345)=604-307-150=487-(311-302)=828×3=169×2=268×2=481-16-425=376+45-116=341+450×2=121+233=336+927=991-136×3=885×3-461=527-(394-335)=88-84+418=396-35=241×(402-398)=704-(289+85)=120+195+40=69+48=512+84+631=68+617+154=798-64×6=42+52+722=59×(614-610)=465-412=268+204-284=173-(144-26)=102+290=169+(369-176)=978-652+541=415-36×7=434+(133-74)=466+817+972=914+(645-473)=43×3-100=382-(327+44)=25×(386-381)=109×(85-80)=846-(106+397)=778-188+840=422+665-496=541+994=904×3=703-289×2=441-(183+98)=273-132+48=895-(85+461)=151+87-130=598-416+435=234+380+70=83+(300-146)=900×9-887=328-144+692=130×6-119=92×2=398+150=232+205+93=34×4=284+106=295-80+413=参考答案748×3-497=174772×9+45=693335-322=13556-(932-835)=459943+(468-289)=1122679+499×2=167726×5=130117+755+124=996952+240×3=1672953-380=573308×9-334=243832+447-54=425395-(290-177)=282890-841+750=79944+89+552=68581×(499-493)=48683-33+120=170180×7-135=1125748-133×4=21654+246-17=283380+437-732=85440-95-187=158828+(400-142)=1086482+12×4=530604×5-629=2391244-(194-170)=220160+85-89=156456-(21+208)=227823+164-502=485441-(386-167)=222492+(478-195)=775362-(214+33)=115365+119-113=371618-234×2=150930-(810-348)=468265×(490-487)=795106×(141-135)=636860+451+428=1739542×7=3794629-30×3=539868-(688-212)=392665-467=198826-(779-328)=375980-437-393=150213+813-407=619853+(752-421)=118415+781+106=902862+509+620=19914/9+5/9=128×(433-430)=84475-(452-318)=341154-51=103637-513-28=96241-101=140704-(362-64)=406306-170-122=1441×(254-249)=205487+848-971=364236+(132-12)=35622×(215-211)=88769-102-538=129841-(72+208)=56131+(967-641)=357359-236=123547+112=65978-(156-115)=37320×3-527=433285-39-82=164447×3=1341980×2=1960404-(430-64)=3884+44×2=172179×5+944=1839838+308+770=1916140+596=736274-(23+245)=6381-245+145=281397-(116+275)=6272-213+237=296312-52+221=481379-(373-195)=201436×4-673=1071253+(331-202)=382228-(56+16)=156102×2=204512×(932-929)=1536155-(11+38)=106243+208=451892-(176-166)=882679-(111+283)=285315-249-21=45176×2-10=34222×7+424=578488-131=357309+189=498205-57+14=16237×9+297=630252+210-163=299844-593+817=1068229-141=88483-(436-163)=210468-285+75=2584/8-1/8=3/855×8-83=357439+(377-26)=790219+26×3=2972/7+4/7=6/7369-196=173258-(86+95)=77349-89-56=204250+(525-392)=383536-157×2=22271×8+304=872634-358-72=204622+129-650=101853×2=1706859+531+626=2016108+431=539227+106-263=7019×9-66=10519+40+884=9433/5+2/5=135+210×4=875988-56×9=484733-550+293=476373-64+166=475433-84×2=265390-78×4=78349+121×5=954932-299+48=681463×2=926998-(715-118)=40158×9+348=870508×6=3048783+274-117=940897-801=96465-66-195=204302×(163-160)=906735+212-548=399384×2-370=398659+37+489=118579×(265-257)=632153+279-77=355183×4=732413+109×4=849994-75×4=694791×9=7119577-233+982=1326392-262=130133+(418-130)=421966×4=3864868-(23+188)=657170×(223-220)=5102/10+6/10=8/10293-(66+173)=54184-(23+135)=26118×8-716=228656-87+721=1290694-(433-394)=655268×2+489=1025139×3-115=302298-91+18=225428-234=194497-223=2744/8-3/8=1/8867-172×3=351989+592+872=2453360-252+39=147751×4=3004871-10×2=851284×3-703=149595+745-549=791734+933+532=2199598-21×2=556480+(854-277)=1057472-223+220=46953+243-104=192407+74×2=555486-307+83=26240×(146-142)=160322-(67+193)=62383-146=237609×(244-237)=4263401-75+466=792399-219+294=474757+460=121747×8=376416-333+696=779247-242+96=101423+865-218=1070121×4+316=800816+804=1620433-205-181=4758×(229-221)=464396×6-976=14004/7+2/7=6/7158×6-795=15375×(387-384)=225977-60-155=762358+611+763=1732117-59=58304+(856-824)=336348×3-440=6041/4+2/4=3/4157-(98+21)=3849+103+216=368338-10-44=284395+475+47=917750-171×4=66107+520=627302+121=423134+(487-294)=327556+209+33=798798+298+504=1600411+100×5=911252-(409-358)=201831+(580-414)=997449×2=898536+37×4=684719-492-133=9424×4=96384+299=683681-271=410261-95×2=71776+(574-201)=1149101+(424-314)=211629+74+247=950875+871+399=2145191+(967-331)=827498×2=9967/9-2/9=5/9200+383×2=966723×(268-263)=3615607-(985-896)=518105+177+97=379223+157+537=917209+(387-266)=330986×3=2958337-99+37=275248×4=992229×9-14=2047151+539+363=1053997-237-547=21393×(441-433)=74453+202+682=937931+400-890=441688-(332+332)=24171×4+287=971522+(315-88)=749476-71-231=174288×3=864185+47=232187+269=456409-89+45=365336-239-15=82924-142×5=214122+86-143=65627-348=279284-54×2=176236+(426-57)=605195+99×3=492431×3=129395+(683-221)=557252+341+40=633830-102-188=540322-239=83204+(470-298)=376449-(104+280)=65454+59×2=572436-(144+165)=127229×7=1603649+215×3=1294414-134+40=320820-227×2=366251-18×5=161652+176+123=951758×4=3032353-283=70773×(365-359)=4638661×(703-699)=2644397-154×2=89475-25×2=425469-336-33=100173+291=4641/7+5/7=6/7860-174-623=63490×2-958=22129+397+103=629290×3+128=998132+55=187908-(546+83)=279146-43+52=155337+(211-204)=344370-92+802=1080321+109×4=75750×9=45056+228+428=712500×6-996=2004999-(586+383)=30174×4+95=79177+108-55=13055×3=165126+209-262=73133-124+373=38249×(475-468)=343611-456=155259-42×6=772×8-336=240396-(176+176)=44130+258-124=264262+(182-157)=287455-11×7=378323+461=784945+131×2=1207973-(890-480)=563561-(620-551)=492332+26-257=101320-12×4=272226+216-22=420452-(427-238)=263429+550+213=1192479-(328-122)=273833-72×9=185327+79=406210×6=1260152×4=608509+165+19=693158+391+169=718183×(839-834)=915409+154×2=717214-74=140578-(780-248)=46375-(238+59)=78455-146-73=236502+295+195=992448-10×6=388639+355-865=129716-236-342=138382×(493-486)=267415+256+702=973949-682-80=18773×(232-229)=21973+(149-62)=160137+330-327=140288-(129-91)=250436+123=559261-51-138=72494-207×2=80776-(10+719)=47135×(86-81)=675237-36-59=142148+(437-284)=301329-223=106811-(42+165)=604465-(261-158)=362444-311=133924+10+32=96680×8=640276+111-314=73424-306-27=91362-(96+231)=352/4-1/4=1/4104+314=418255-96=159826-(153+288)=385185+329+48=562958+(840-187)=1611884-314=570443+(551-38)=95641+69+286=396190×2-104=2761/4+3/4=1861-346+789=1304543×5-53=266261×(238-229)=549118×(371-365)=708752-(436+22)=29479×2+806=964156-24×3=84987-349×2=289600-89×3=333558+461×2=1480475-99-138=238389×2=778349×2=698377×2=754877+262+62=1201670+258=928660×8-317=4963143+91+664=898852-121+100=831343-64+135=414144×2+489=777620-433+764=951323+153-102=374429-11+34=452223+177=40074+769-709=134144+340×2=824893-(681-203)=415160-64=96681-(890-802)=593498+(339-243)=594264×2-241=287306-110-118=78575+190×4=1335643+(409-288)=764221+276+723=1220741+979=1720356-(36+210)=110838-(411+348)=79484×2-853=115976-424-162=390323-208+78=193522-450=72483-86×2=311258-22×8=82459-349=110556-471-79=6368-15×2=338478+295+214=98754+(379-180)=253167×3+225=726718×(719-713)=430863+(239-151)=151194×4-24=752123+77=200189-12×7=105963-131-830=2498-338-28=132177+54+123=354401-(153-39)=287199×4=796342×2-178=506242-(207+11)=24101×8-757=51293-13=280341+94-127=308372+423+152=947166+(621-489)=298787×4=31483/6-1/6=2/6555×6-718=261227×8+449=665851-199-455=19767×8+545=108197×5+282=767881-(382+491)=8293+49=34247×9-420=3322-(264-165)=223360-26=3343/7-1/7=2/7396-(24+26)=346950+947=1897107×6+563=120546×(448-439)=414354-28+48=374542×(136-133)=1626151+338=489391×(360-355)=1955830-589=241495-15×7=390648×(479-475)=2592203+132=335333×4-955=377493-124-258=111393-288-65=4034+256-15=275126+306=432391+(487-148)=730264+(365-142)=487213-149=64465+40×9=825766-647+776=89518×7+397=523175+(841-789)=22737×(695-690)=18569+(127-13)=18310×(197-192)=5062×7-23=411204+(421-59)=566161×(126-120)=966344-327=17257×5=1285445-(382-274)=337205+262=467465-(41+375)=49394+(379-70)=70318+333+618=969305×(66-63)=915836-(59+696)=81616-39×6=382404×2=808324-(273-209)=260771-318-401=5214×2=28162-43×2=76154-60-18=76542×8=4336799-531=268126×5-463=167172+641+816=1629986-(16+465)=505400-71-319=10374+549-614=309483-100×3=183281×5-589=816983-40-274=669720×(794-790)=2880266-17=249215-(36+34)=145889+902-885=90689+101=190938-18×3=884411+449=860421-33×6=223522-(13+195)=314704×6-304=392077×3=231441-23×3=372985-602-253=130226-12-80=134335+108=443467×(888-884)=1868364-214=150475-(121-112)=466881+913=1794777-243×2=291153×3=459343×2+78=76433×9+727=1024260+(756-672)=34435+(77-19)=93883-(464+236)=183650-332=31845×9+828=1233306×3=918468+491+573=1532656-88×5=216538-(425+47)=66830×8=664094×(499-491)=752262×8-321=1775551-251+553=85392+140=232814+948-389=1373246×4-579=4052/5-1/5=1/5615×(39-32)=4305283+197-173=30746×3+366=504201+299=500574×3=1722139+339=478393+331-441=283122×2+37=281970-(360+161)=449364-(216+52)=96966-(191-132)=907656+295-585=366762-248-176=338786×4=3144772-549=223502+662-964=200814×9-819=6507410×2=820401+363=764261×3-199=584967-404+701=1264937+(623-150)=1410804+571-416=95943×9+468=855128+42=170401-303-21=772/3-1/3=1/3199+(874-789)=284424-71-129=224196-116=80431-30×5=281732+(600-403)=929376-13×8=272491-66×3=293244-(243-12)=13206-(89-86)=203817-556=261347+77=424611-117=494255-225+394=424439-(480-97)=56952×(710-706)=38083/6-2/6=1/6197×(138-133)=98580×6-32=448941-207=734199×4-337=459964-(676+132)=156189+104=293549+392×2=1333257+141=398332-(386-364)=31092×(169-162)=644199+462+58=719425-(222+56)=147350+902=1252238+(391-318)=311837-438=399347-(10+241)=96778-82-109=587855-833=22687-216-104=367159-20×7=19553×5=2765750×(455-446)=6750699×9-744=5547106×7-421=321252-11-238=3994+(747-536)=120532×7+137=361364-155-186=23907-446-330=131111+11-95=27278×7=1946291-90×3=21188+525=713225×4=900372-171+274=4754/7-2/7=2/7338-14×5=268158+(142-38)=26217×9+213=3662/7-1/7=1/7946-190-55=7011/5+3/5=4/5324×(325-322)=972219-112+138=2451/7+4/7=5/7196×2=392920-(829-299)=390224×2=448284+931-415=8005/8+2/8=7/8281-157+317=441877-646=231394-31×2=332495-24×4=399660×(863-855)=5280744+647+323=171478+243=32158+255-146=16786×(34-29)=430659+77×7=1198151+(186-22)=31567×(56-51)=335142×5-180=530502×3=1506155+525+553=1233798×6-555=4233389-46×8=21477+349-51=775333-294=39125-19=106172×(80-75)=860352×2=704225-135=90194+468-473=189689×(889-883)=4134746-(649-56)=153424×9-58=3758626-(21+353)=252800-578+230=452120×4-236=244141+501+170=812736-(120-66)=682896-(730-294)=460628-452+642=818510-183×2=144364-(61+29)=274298-(13+112)=173359×(894-890)=1436174×4-581=115434×(275-267)=3472451-276-117=58971×(546-542)=3884296×2=592729×6-730=3644559-(786-763)=536372-(415-336)=293202+240-426=1666-27=39952+139-341=750292+24×2=340444-(276+15)=153387-(148+105)=134797+752=1549595+170=765286+(834-729)=391170+261=431437+780-896=321528+(629-358)=799246×(121-115)=1476858-649=209345×(779-770)=3105332+345=677938-756+130=312334+(492-64)=762229-106+317=440636-(286+238)=112491+(460-25)=926543-489=54876-469-367=40216+75×6=66