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2/8-1/8=451-139×2=343-(157+119)=550+139×4=408-268=773-125=30×8-118=346×9-701=97×(697-689)=216+(430-286)=198-10×3=252×(395-392)=80+(275-114)=401-204=462-42×4=639+(421-176)=685+80×3=691-310×2=427-(175+154)=605+105×6=189+(478-290)=824+617-486=394-(352+36)=894-(578-450)=876-362×2=402-56×2=99×(273-270)=449-205-78=919+389=165+(363-279)=357-(303-241)=802+839-447=483-(315-52)=689-101×4=1/5+3/5=607×9-89=845-(811-407)=338-(32+145)=156-11×9=129×6-41=203-(836-644)=619×(120-112)=996+108×6=245+263=662+135+51=138+277=804×(456-447)=612-169+628=369+183×2=436×4-529=509-(932-894)=128-66+417=454-313+18=327+96×4=65×9-13=109+89=114+244=308×3-620=333+143=822-511=137-89+332=276-244=733-(32+472)=991-958=917-(175+715)=122+(155-153)=443+313=947-773+558=96×(206-198)=430+173=72+273=475-158-292=306-35×4=950-32+111=410-78×2=983+672=170×2+637=414-251+228=904-309-28=189+69-228=457-19-342=95×8=168+333=646-137=838+256+547=995-967=942-(901-627)=780-(272+45)=993-347-488=471-239-213=920-(480+269)=482-(489-309)=4/7+2/7=357+887+714=522×8-127=230-(477-442)=481-(17+387)=291+(710-534)=947+223-201=790×2=437×(874-871)=288+77=106×(19-12)=309-159=55+279×3=373×3=65×(41-34)=366×5=280-23-171=647-140=95×4-328=625×4-182=455-171×2=993-371-179=415-(82+106)=257-22-50=876×8-869=491×2-442=7/9-2/9=90×6+218=297+187-478=761+797+530=12×7=612+113=450-86=813-(132+540)=103×6=28×3+94=249+88=693-(344-129)=199+519+261=890-558+20=442×2=383+17×8=216×9-202=141+33=201×4+79=186×3-156=621+241+564=725×8-603=361×7=732-230+478=70+(483-451)=421×2=312-95-136=849+480-647=161×2-300=259+(316-38)=244-(116+124)=320+172+403=340-73×3=84+284=383-276=396+262×2=123×(889-882)=458-(425-405)=448+(112-54)=106+(290-272)=625+106=523×2-406=168+(487-474)=465-111×2=149+31-14=2/10+3/10=215×3=685-(98+141)=722+(605-84)=866-131-469=913×3=336-127=449+332+170=613×(621-614)=239-141-41=306×2=29×8=341+(492-371)=675+844+804=282×3-121=788+846+347=953-323-359=446+733-993=152+(225-158)=840-40+109=176-(125+23)=723-322=668-18-643=692+603-594=435+798=254-(47+46)=674×(810-801)=283-12-235=138×7=340+80=96×3+961=287+990+204=361-45+270=413-(488-483)=37+64=114+198=719-86×2=131+335+955=720+211×3=726-246=811+509+57=684-344=64-37+170=701-42=957-723-143=371-265-37=151-77+313=92+371×2=449-(162-39)=683-86×3=882-845+245=396×9=200-45×3=638×2=214×2+175=745-182=227×(120-116)=361-236=455+(113-67)=951+570=587-(864-627)=171×4+262=437-405+346=114-65=187×(210-205)=103×2+402=351-(276-193)=383×6=717+(435-60)=571-460+90=516+914-679=97-(137-133)=536+335+109=545-69×6=255-83=759-(353+100)=72×(447-444)=89+721+46=641+233+81=153-121+289=327×2+254=193+35×2=496-132-17=94+290+574=265×(44-41)=129×4+188=491-(122+274)=378×2-494=692-142×4=332+428=313-136+39=383+361+252=632×8=978+761-860=446-194-36=453+90×8=822-(234+139)=78×5=693×(280-271)=851+(409-393)=616-148+856=773-29+961=474-12×9=702×4=215+(330-30)=308-189+113=96+285-50=63×7+299=180+68+568=129×(368-365)=75+183-185=342+(735-601)=256-72-85=4/8+3/8=879-(725-652)=484-191-272=559-385+510=286+28×2=681-563=331+160-120=240+154=27+361+81=310-35×4=637-(575-195)=37+250×2=119-(295-253)=590-65×4=853×7-518=61×7-80=199-108=720+(333-76)=10×5=477-99×4=408+(698-608)=951+233+741=118+357-103=953-116-726=240-(353-233)=339+160=619-(419+119)=475×4-335=512+57×7=239-58=206+929-90=408-365+54=741-628=470×7-275=459+519-703=977+679+962=512-(665-390)=392-(55+327)=4/6+2/6=445-183-214=118+242=248×3=464+251=302×5-397=123×6=144×6-336=396-309=388-117×3=431+521=214+(485-365)=182+313=161+122=840-258=427-249=228-144=169×4-354=37+402-186=3/8-2/8=294×2+108=524×4-186=792-311=274-144+203=49×4=237+133+416=89+146=373-16×4=488-(145+115)=583+240+692=73×5=735+348-81=161×(38-32)=185×3=930+614+519=259+159+495=643-586+139=164×(148-145)=655+(278-204)=462-102×3=47-16+83=889-281×3=447+53×2=3/10-1/10=943×(947-939)=700-183=193×3+816=985+(409-46)=616-(324-90)=547×5-344=885+(811-693)=144×3-70=448+12×4=73+149-20=420-316=902-51×8=288×3=270-(423-171)=132×6-485=809-110×3=470+(400-158)=55×7=983-361-354=349+488+158=309×3-806=657×3-70=210+112×4=242-146+151=196+(263-95)=793-692-80=196×3-164=77×7=110×2+488=796-(502-484)=54+108+456=587-(402-188)=252+(355-185)=916-111=900-183-653=454-(493-127)=307-(320-216)=684+(523-268)=473-(771-490)=987-170-162=110×6=486-20=4/8+2/8=420+(182-121)=447×3-878=200×4-480=843-(320+443)=355×2-189=131×(23-17)=94-39×2=158×4=299-(70+73)=573-489=404-(89+149)=261+(388-307)=439×2-505=362-105=849-487=201×2=3/7-1/7=169+52×6=428-103×4=190×4=409+861=90×(226-221)=324+907-762=965-384-103=452-275-168=588+69+219=376-131×2=722-179×4=373-(71+205)=167+124=908×(790-786)=169×3=549-232×2=180×2-175=892+33×8=373-(94+152)=294-(132+86)=86×5=2/8+4/8=48+263+102=125-(202-123)=853×7=6/9-2/9=229-65×2=91×(378-369)=900-(455+93)=25+472-327=96×6-348=169+103+102=840+856=305+(420-166)=351-39-227=226×4-186=157-65+185=608+(469-53)=191-(438-421)=3/5-1/5=119-12×6=453+(425-98)=221+448=69-23=471-299+324=894-798+255=393-95+105=266-(448-375)=916-(319+269)=332-(912-641)=231+397+289=210+10-31=268+165-209=659+248×2=74+(684-272)=66×9=113+137+700=477+337+53=224+222=835-187-64=87+347-229=107×(455-450)=225×3=447-27×2=627+495=913+76-437=308+88=191×5=773×(528-524)=238+(338-244)=468-(144+263)=4/6-2/6=452-(393+33)=254-156=498×(671-668)=237-31+214=278×3+139=245+(561-313)=677-(609-73)=226+70×4=911-(964-476)=467-89×5=923-392×2=895-64+835=231-69+316=277+26+82=311+424=572×9=501-(416-353)=186×9-792=647+23+48=157×3=509+(974-78)=497-(100+87)=855×(540-533)=390-162+56=471-(131+243)=243-48×3=52×(200-197)=995+172=763-(267-241)=411+83-475=473×(23-20)=598×7-677=128×5=326-15-33=441+526=499-(136+360)=153×2-201=603×8=976-134-142=435-256=25×(335-328)=412×(662-659)=667+569+986=190×(51-46)=422-102=964-(190+664)=44×6+368=950-84×3=219×(463-460)=353+665-551=300+11×7=423×2+134=232-(159-38)=415-333+189=145-60×2=29×6+341=167+(388-188)=389-207-135=454-(300-75)=39×5+752=869-248+926=64+(414-164)=877×(88-84)=802-(431+213)=31×(932-923)=194-118=451+(377-226)=153-(97-17)=485-167+34=285+86-362=433-317=470-44=468+(72-18)=15+360-182=433-(281+133)=1/6+4/6=174+76=678-(112+376)=474+406+55=267-(295-271)=234+803+202=249-45×2=325-(314-168)=959-(372+321)=383-40+44=205+173+464=457-57×7=181×2=64×9+695=13×(381-374)=672+405=315+(793-177)=418-84=992-(416+480)=244×2-417=49×8=269×(44-41)=552+191+101=722-(694-451)=16+735+141=180-(368-249)=862+619-557=561+495+174=98+347-14=618×6=335+209+183=507+731=499-131+99=341-80-217=310+(501-83)=2/6-1/6=319+173+758=482-55×7=522+311+109=402-(189+146)=324+(787-604)=11×2+220=258+220-433=981-(271-236)=829+349+35=114×5+328=364-(84+46)=518-456+414=139×(294-288)=98+(425-49)=402-211-22=463-(25+38)=125×7=449-433+347=264-(38+156)=7/9+2/9=794-642+884=766-242-279=930-649-219=181×5-39=838-753+319=225+(341-25)=645×4=140+121=52×(453-449)=174-(52+25)=284-(450-212)=279-209=66×8=969-(121+229)=554×4-223=254-106=842+(551-211)=451-45-95=423+(891-378)=236-(128+56)=89×(264-259)=404+871-139=103-(33+19)=760+198×4=491-396-54=451-(223-20)=304×2-431=942+(732-728)=450-51×6=98+54-74=193+333+333=38×8+506=910-894+632=596-(147+330)=362-355+380=324+165=586-304-135=929-319-555=251-182+769=561×(543-540)=276-(243+32)=237+127-260=128+44-101=151+338+348=454×2+261=240-65-109=378×2-359=75×5-97=530×(231-228)=635×(874-868)=94+349=737-(98+415)=174×(48-44)=239-36×4=574×3=426-40-188=862+34×5=27+419-163=643×6-63=138×3-318=456-(274+76)=174-39-81=474+(205-69)=431+(566-223)=323-(391-378)=215+114+211=81×7=417-75-233=334-35=4/7-1/7=535-63×8=123+299=10+182-108=634×(321-315)=74-28=243-(458-274)=322-222=185+515+113=162+112×3=866-164+325=36×(67-60)=354-54×2=297+43×6=91×4+372=714×(382-375)=430-24×2=432-110=374-347+27=59-11+131=466-188-237=340+(799-77)=306-190=180+73-91=50×(50-42)=20+282-277=973-95×7=235-63=485-(290+166)=716-212×2=867+217+125=103×4=681×(231-228)=130+358-466=902-(996-947)=143×4+770=431-(617-406)=265+91+450=122+233=309-57-107=52-(283-258)=849×(500-497)=241-(962-746)=65×(145-137)=289×(218-215)=705-649+305=721-(376-313)=16×7+332=365+(680-561)=354-302=961-204-138=798-(267+334)=997-858+379=195×4-131=849+427-135=20×7=610+468=196×3-467=252×3-151=867-718=692-323-17=602-146×3=36×2+287=264-(217+41)=974-219+334=6/10+3/10=80+(254-68)=551-271=646+352+139=298+280+206=471-162+969=257-54-44=126×2-222=89×9-450=780-(101+162)=125+170=3/7-2/7=535+(830-117)=226-(456-324)=227×4-482=460-13-311=293-55-223=213+207-94=36+377-103=126+727-412=228-95-104=695-(968-633)=266-61=487×(80-72)=472-295-142=115+379+260=215+(334-183)=785+184-322=998+801-131=584+(492-84)=771×(130-125)=694-(51+439)=316+295+225=155+102=794-(628+72)=509+986-842=129×4-286=769+303×2=365-17×6=42+12=987×2=134×5=442-(147-134)=667+652-257=267+81-247=487+622-357=489-419-28=839-379+209=410×7=217+144=47+10=921-119-261=80×(254-247)=475-357+186=432-23×9=1/4+2/4=15×(182-177)=78×7=3/9-1/9=464-120-36=294-224+279=816+945-692=344+141=312-101×3=141+171=417-58×4=495+(993-488)=126+210=596+834-141=953+797+823=38-(200-180)=177+931-82=977-195+612=798-171×3=417-297-98=455×8-828=138+201-283=205×(115-111)=417×4=990-(89+729)=589+426=94+34-114=397-274=274×3=177+643-90=580-(63+486)=280+525+428=157×4-163=315-94×3=3/5+2/5=885-765=976-120-236=212+990-962=189+39=536+395+737=20×5+82=363+66×9=326-115×2=58×7=408-(110-25)=310×(379-376)=471-106×4=814+813-552=264-75=276-(621-359)=443×2+529=754-(852-307)=70-65+42=944-529+121=参考答案2/8-1/8=1/8451-139×2=173343-(157+119)=67550+139×4=1106408-268=140773-125=64830×8-118=122346×9-701=241397×(697-689)=776216+(430-286)=360198-10×3=168252×(395-392)=75680+(275-114)=241401-204=197462-42×4=294639+(421-176)=884685+80×3=925691-310×2=71427-(175+154)=98605+105×6=1235189+(478-290)=377824+617-486=955394-(352+36)=6894-(578-450)=766876-362×2=152402-56×2=29099×(273-270)=297449-205-78=166919+389=1308165+(363-279)=249357-(303-241)=295802+839-447=1194483-(315-52)=220689-101×4=2851/5+3/5=4/5607×9-89=5374845-(811-407)=441338-(32+145)=161156-11×9=57129×6-41=733203-(836-644)=11619×(120-112)=4952996+108×6=1644245+263=508662+135+51=848138+277=415804×(456-447)=7236612-169+628=1071369+183×2=735436×4-529=1215509-(932-894)=471128-66+417=479454-313+18=159327+96×4=71165×9-13=572109+89=198114+244=358308×3-620=304333+143=476822-511=311137-89+332=380276-244=32733-(32+472)=229991-958=33917-(175+715)=27122+(155-153)=124443+313=756947-773+558=73296×(206-198)=768430+173=60372+273=345475-158-292=25306-35×4=166950-32+111=1029410-78×2=254983+672=1655170×2+637=977414-251+228=391904-309-28=567189+69-228=30457-19-342=9695×8=760168+333=501646-137=509838+256+547=1641995-967=28942-(901-627)=668780-(272+45)=463993-347-488=158471-239-213=19920-(480+269)=171482-(489-309)=3024/7+2/7=6/7357+887+714=1958522×8-127=4049230-(477-442)=195481-(17+387)=77291+(710-534)=467947+223-201=969790×2=1580437×(874-871)=1311288+77=365106×(19-12)=742309-159=15055+279×3=892373×3=111965×(41-34)=455366×5=1830280-23-171=86647-140=50795×4-328=52625×4-182=2318455-171×2=113993-371-179=443415-(82+106)=227257-22-50=185876×8-869=6139491×2-442=5407/9-2/9=5/990×6+218=758297+187-478=6761+797+530=208812×7=84612+113=725450-86=364813-(132+540)=141103×6=61828×3+94=178249+88=337693-(344-129)=478199+519+261=979890-558+20=352442×2=884383+17×8=519216×9-202=1742141+33=174201×4+79=883186×3-156=402621+241+564=1426725×8-603=5197361×7=2527732-230+478=98070+(483-451)=102421×2=842312-95-136=81849+480-647=682161×2-300=22259+(316-38)=537244-(116+124)=4320+172+403=895340-73×3=12184+284=368383-276=107396+262×2=920123×(889-882)=861458-(425-405)=438448+(112-54)=506106+(290-272)=124625+106=731523×2-406=640168+(487-474)=181465-111×2=243149+31-14=1662/10+3/10=5/10215×3=645685-(98+141)=446722+(605-84)=1243866-131-469=266913×3=2739336-127=209449+332+170=951613×(621-614)=4291239-141-41=57306×2=61229×8=232341+(492-371)=462675+844+804=2323282×3-121=725788+846+347=1981953-323-359=271446+733-993=186152+(225-158)=219840-40+109=909176-(125+23)=28723-322=401668-18-643=7692+603-594=701435+798=1233254-(47+46)=161674×(810-801)=6066283-12-235=36138×7=966340+80=42096×3+961=1249287+990+204=1481361-45+270=586413-(488-483)=40837+64=101114+198=312719-86×2=547131+335+955=1421720+211×3=1353726-246=480811+509+57=1377684-344=34064-37+170=197701-42=659957-723-143=91371-265-37=69151-77+313=38792+371×2=834449-(162-39)=326683-86×3=425882-845+245=282396×9=3564200-45×3=65638×2=1276214×2+175=603745-182=563227×(120-116)=908361-236=125455+(113-67)=501951+570=1521587-(864-627)=350171×4+262=946437-405+346=378114-65=49187×(210-205)=935103×2+402=608351-(276-193)=268383×6=2298717+(435-60)=1092571-460+90=201516+914-679=75197-(137-133)=93536+335+109=980545-69×6=131255-83=172759-(353+100)=30672×(447-444)=21689+721+46=856641+233+81=955153-121+289=321327×2+254=908193+35×2=263496-132-17=34794+290+574=958265×(44-41)=795129×4+188=704491-(122+274)=95378×2-494=262692-142×4=124332+428=760313-136+39=216383+361+252=996632×8=5056978+761-860=879446-194-36=216453+90×8=1173822-(234+139)=44978×5=390693×(280-271)=6237851+(409-393)=867616-148+856=1324773-29+961=1705474-12×9=366702×4=2808215+(330-30)=515308-189+113=23296+285-50=33163×7+299=740180+68+568=816129×(368-365)=38775+183-185=73342+(735-601)=476256-72-85=994/8+3/8=7/8879-(725-652)=806484-191-272=21559-385+510=684286+28×2=342681-563=118331+160-120=371240+154=39427+361+81=469310-35×4=170637-(575-195)=25737+250×2=537119-(295-253)=77590-65×4=330853×7-518=545361×7-80=347199-108=91720+(333-76)=97710×5=50477-99×4=81408+(698-608)=498951+233+741=1925118+357-103=372953-116-726=111240-(353-233)=120339+160=499619-(419+119)=81475×4-335=1565512+57×7=911239-58=181206+929-90=1045408-365+54=97741-628=113470×7-275=3015459+519-703=275977+679+962=2618512-(665-390)=237392-(55+327)=104/6+2/6=1445-183-214=48118+242=360248×3=744464+251=715302×5-397=1113123×6=738144×6-336=528396-309=87388-117×3=37431+521=952214+(485-365)=334182+313=495161+122=283840-258=582427-249=178228-144=84169×4-354=32237+402-186=2533/8-2/8=1/8294×2+108=696524×4-186=1910792-311=481274-144+203=33349×4=196237+133+416=78689+146=235373-16×4=309488-(145+115)=228583+240+692=151573×5=365735+348-81=1002161×(38-32)=966185×3=555930+614+519=2063259+159+495=913643-586+139=196164×(148-145)=492655+(278-204)=729462-102×3=15647-16+83=114889-281×3=46447+53×2=5533/10-1/10=2/10943×(947-939)=7544700-183=517193×3+816=1395985+(409-46)=1348616-(324-90)=382547×5-344=2391885+(811-693)=1003144×3-70=362448+12×4=49673+149-20=202420-316=104902-51×8=494288×3=864270-(423-171)=18132×6-485=307809-110×3=479470+(400-158)=71255×7=385983-361-354=268349+488+158=995309×3-806=121657×3-70=1901210+112×4=658242-146+151=247196+(263-95)=364793-692-80=21196×3-164=42477×7=539110×2+488=708796-(502-484)=77854+108+456=618587-(402-188)=373252+(355-185)=422916-111=805900-183-653=64454-(493-127)=88307-(320-216)=203684+(523-268)=939473-(771-490)=192987-170-162=655110×6=660486-20=4664/8+2/8=6/8420+(182-121)=481447×3-878=463200×4-480=320843-(320+443)=80355×2-189=521131×(23-17)=78694-39×2=16158×4=632299-(70+73)=156573-489=84404-(89+149)=166261+(388-307)=342439×2-505=373362-105=257849-487=362201×2=4023/7-1/7=2/7169+52×6=481428-103×4=16190×4=760409+861=127090×(226-221)=450324+907-762=469965-384-103=478452-275-168=9588+69+219=876376-131×2=114722-179×4=6373-(71+205)=97167+124=291908×(790-786)=3632169×3=507549-232×2=85180×2-175=185892+33×8=1156373-(94+152)=127294-(132+86)=7686×5=4302/8+4/8=6/848+263+102=413125-(202-123)=46853×7=59716/9-2/9=4/9229-65×2=9991×(378-369)=819900-(455+93)=35225+472-327=17096×6-348=228169+103+102=374840+856=1696305+(420-166)=559351-39-227=85226×4-186=718157-65+185=277608+(469-53)=1024191-(438-421)=1743/5-1/5=2/5119-12×6=47453+(425-98)=780221+448=66969-23=46471-299+324=496894-798+255=351393-95+105=403266-(448-375)=193916-(319+269)=328332-(912-641)=61231+397+289=917210+10-31=189268+165-209=224659+248×2=115574+(684-272)=48666×9=594113+137+700=950477+337+53=867224+222=446835-187-64=58487+347-229=205107×(455-450)=535225×3=675447-27×2=393627+495=1122913+76-437=552308+88=396191×5=955773×(528-524)=3092238+(338-244)=332468-(144+263)=614/6-2/6=2/6452-(393+33)=26254-156=98498×(671-668)=1494237-31+214=420278×3+139=973245+(561-313)=493677-(609-73)=141226+70×4=506911-(964-476)=423467-89×5=22923-392×2=139895-64+835=1666231-69+316=478277+26+82=385311+424=735572×9=5148501-(416-353)=438186×9-792=882647+23+48=718157×3=471509+(974-78)=1405497-(100+87)=310855×(540-533)=5985390-162+56=284471-(131+243)=97243-48×3=9952×(200-197)=156995+172=1167763-(267-241)=737411+83-475=19473×(23-20)=1419598×7-677=3509128×5=640326-15-33=278441+526=967499-(136+360)=3153×2-201=105603×8=4824976-134-142=700435-256=17925×(335-328)=175412×(662-659)=1236667+569+986=2222190×(51-46)=950422-102=320964-(190+664)=11044×6+368=632950-84×3=698219×(463-460)=657353+665-551=467300+11×7=377423×2+134=980232-(159-38)=111415-333+189=271145-60×2=2529×6+341=515167+(388-188)=367389-207-135=47454-(300-75)=22939×5+752=947869-248+926=154764+(414-164)=314877×(88-84)=3508802-(431+213)=15831×(932-923)=279194-118=76451+(377-226)=602153-(97-17)=73485-167+34=352285+86-362=9433-317=116470-44=426468+(72-18)=52215+360-182=193433-(281+133)=191/6+4/6=5/6174+76=250678-(112+376)=190474+406+55=935267-(295-271)=243234+803+202=1239249-45×2=159325-(314-168)=179959-(372+321)=266383-40+44=387205+173+464=842457-57×7=58181×2=36264×9+695=127113×(381-374)=91672+405=1077315+(793-177)=931418-84=334992-(416+480)=96244×2-417=7149×8=392269×(44-41)=807552+191+101=844722-(694-451)=47916+735+141=892180-(368-249)=61862+619-557=924561+495+174=123098+347-14=431618×6=3708335+209+183=727507+731=1238499-131+99=467341-80-217=44310+(501-83)=7282/6-1/6=1/6319+173+758=1250482-55×7=97522+311+109=942402-(189+146)=67324+(787-604)=50711×2+220=242258+220-433=45981-(271-236)=946829+349+35=1213114×5+328=898364-(84+46)=234518-456+414=476139×(294-288)=83498+(425-49)=474402-211-22=169463-(25+38)=400125×7=875449-433+347=363264-(38+156)=707/9+2/9=1794-642+884=1036766-242-279=245930-649-219=62181×5-39=866838-753+319=404225+(341-25)=541645×4=2580140+121=26152×(453-449)=208174-(52+25)=97284-(450-212)=46279-209=7066×8=528969-(121+229)=619554×4-223=1993254-106=148842+(551-211)=1182451-45-95=311423+(891-378)=936236-(128+56)=5289×(264-259)=445404+871-139=1136103-(33+19)=51760+198×4=1552491-396-54=41451-(223-20)=248304×2-431=177942+(732-728)=946450-51×6=14498+54-74=78193+333+333=85938×8+506=810910-894+632=648596-(147+330)=119362-355+380=387324+165=489586-304-135=147929-319-555=55251-182+769=838561×(543-540)=1683276-(243+32)=1237+127-260=104128+44-101=71151+338+348=837454×2+261=1169240-65-109=66378×2-359=39775×5-97=278530×(231-228)=1590635×(874-868)=381094+349=443737-(98+415)=224174×(48-44)=696239-36×4=95574×3=1722426-40-188=198862+34×5=103227+419-163=283643×6-63=3795138×3-318=96456-(274+76)=106174-39-81=54474+(205-69)=610431+(566-223)=774323-(391-378)=310215+114+211=54081×7=567417-75-233=109334-35=2994/7-1/7=3/7535-63×8=31123+299=42210+182-108=84634×(321-315)=380474-28=46243-(458-274)=59322-222=100185+515+113=813162+112×3=498866-164+325=102736×(67-60)=252354-54×2=246297+43×6=55591×4+372=736714×(382-375)=4998430-24×2=382432-110=322374-347+27=5459-11+131=179466-188-237=4134