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276-38=438-155-83=21×(371-362)=821-(645+19)=246+(450-79)=133×(313-309)=173-(45-34)=89+252=860-49×7=538×5-279=549+760=214+162-111=164-48×3=688-15×7=94+618+247=62+125=521+753+40=880+(319-84)=459+(369-288)=443-389=450-19+48=225-143=77+(496-154)=264×2+235=748-109×6=62×6+52=572-(47+157)=238+148×3=269+86-200=270×2+178=946-(561+151)=481-344+128=32×9+141=279-(419-198)=426+696+190=994-637+489=100×8+787=394+222+283=56×4=325+69=946-356-140=598-(244-39)=968+(811-582)=39×8=64×(97-89)=665+(211-70)=359+(285-38)=211×4=170×4-563=644×(79-74)=86×3=357-106=55+162=113×(343-338)=703-128+123=454×8=181×(208-204)=465-(202-170)=235-(530-453)=59+311=233+(717-702)=373×(555-546)=415+60+26=84+48=2/7+4/7=418×4=397-(464-184)=98+(320-48)=209+179+456=66+302=626-347+610=755+227+456=923-668-118=919-343+753=223+183+586=10×7+316=623+142+35=604×4-56=832-(142+55)=958-(419-257)=303+67-316=461-242=902-(375+118)=210+535-369=376-256=659×5-808=703×9-15=383-33=367-(16+79)=153×(407-403)=702-319+553=380-268+201=462-331=56+409×2=344-88-202=345-31-29=983+228×2=323-(233+26)=208+260=336-(488-385)=245-(155+21)=836+(911-100)=453-(948-690)=148×5-383=989-238×2=67×7=718+175×2=169×(122-117)=199×5=363-56×4=175×4=88×(432-429)=555×6-545=49×(208-202)=296-179=2/3-1/3=992-163-400=403-(19+245)=201×(269-265)=86×7=37×2-31=633×8-890=63+(365-106)=928×6=174-138+262=956×(771-767)=621-50×2=2/4-1/4=899-(159+714)=298+(412-225)=705-88×5=275×(153-149)=777+142+40=226-32+75=172+326-35=610+(813-45)=342×2-132=271+(453-69)=763×(461-457)=629-(518-279)=365-(210-143)=63×9=203+219+519=311-275+183=30×5+189=437-146×2=774-315-408=721-113×5=299-109-49=682-294=685+207+43=304-79-215=456-51×7=212-115+81=311+56=390×2=774×7-531=363-(279-97)=286-184+200=107×(320-316)=614×6-503=800-759=608×7-608=235-108×2=101×3=238×4=679-183×2=721×(602-598)=272-50+278=874-293-202=656-108=551-131=26×(814-805)=52+22=449×2+230=524×(513-506)=321×3+665=195+(189-105)=585-224×2=88×8=277-20-146=38×6+805=995-25+777=107+595+131=802+203+342=485-37-429=197-166+385=939+262-146=248+81×4=343-203=482-(333-213)=598-219-363=847-(623+68)=458-(322-115)=496-485=277+262-148=248+496=139×7-970=852×2=852-(59+669)=396+21×4=415×2+578=971-(470+115)=29+(470-375)=267-(347-130)=216×4-134=31+158×4=456-24=541-(378+111)=108+(488-126)=392×3-666=21×(112-105)=805-273+829=500-(67+357)=115×2-227=864+(437-306)=339-319+142=20+200-199=382-78-128=164-28×5=75+987+42=75+399=262×3+79=451-229-62=269+181-270=242-136-31=359-180=125-68=443-49×6=571-(213+136)=448×(391-386)=475+857-321=700+972+902=667-(706-575)=737+46×7=367-57-140=180×4-635=3/4-1/4=195+(456-453)=206+(299-36)=93×9=88×(100-91)=369-221=727+168+26=586+135-521=484-(331-311)=195-33×3=265+(494-97)=889×(999-996)=373-129-134=339×6-952=959-485=498-(206+49)=345-53=196-(337-216)=494×2=283-(383-348)=447-(50+371)=157+212×2=559-547=289-162-31=17+93+420=848+412-719=874+994-456=659-474+834=103×(222-213)=321×2-287=306-(239+24)=558×(391-386)=180-(446-277)=904-(397+29)=222+45=639+(744-153)=419×2+960=769-50×6=27×7=667-592+294=59+29-52=37×3=138×3-180=380-19×4=1/8+6/8=118-35+267=11+473×2=474×8-870=961-(575+315)=341+365+308=520+24×6=104+(122-38)=825+146×5=327-80+71=157+464+485=270-(852-678)=92+(513-417)=971×3=932+609=794×(622-618)=467-38+854=537-(598-423)=491-(218-189)=491-14×3=331-(90+199)=125+411=124+207=240-159+132=346×5=201+447+150=256+270+225=475-413+326=415-71×4=79×(64-60)=943×(104-96)=80×5=68×(314-306)=96×3-275=383+73-444=447×8-752=410-104=421×2-142=149×2=500-95×5=473-28×8=354-35×2=162+420+157=518+63×9=391+61+528=630-(141+264)=381-219+208=714-209-197=298×9=29+165=56+140=55+(180-36)=72+247=461+(412-239)=406-47×8=877+784=698+558+655=646×7=239+72-210=728×2=925-628+359=4/8-3/8=464-346=737-(171-85)=662-623+69=545×2=728-63-523=232+(908-536)=277-77×3=820-87×8=123-(164-163)=727-439-89=334-(294-289)=147-144+52=580-87=398-228=914×8=480-(435-107)=993+(982-495)=87×2+22=320-55×2=45×(341-335)=257-28=1/7+5/7=964-(99+555)=455-344=481-(964-851)=243+92-145=645+306-489=172×(497-494)=290×3-354=695-265+905=144+(294-207)=352-332=81×2+228=847+(706-254)=710-40×3=44+82+744=50×5+96=487-46×4=263+(565-88)=317-77×3=643+114=938×(341-338)=278+24×5=190×3-21=359+547-277=356×8-683=374+716-271=455-24=153×4+374=404×2-435=20×3=177+140-137=357+(873-214)=327+56=336-124=33+53=281×4-449=304+(280-174)=791-71-696=407-156-104=974-947=169×3-231=380-105-179=689-267+457=175+314=405-197=593-52=399×2-623=403-183=435-314=923+298×3=856-14×8=93×6=421+(294-95)=62+(486-281)=427×2=928-390+893=616-279×2=813+735+839=107×9-138=980-107-105=293+738+738=385+135+346=660-193+592=219+378=271×4=189×4-486=108+63+348=768+(932-418)=684-295+80=105-12×6=411-(107+107)=4/8+2/8=452×8=3/8-1/8=944×3=255+30+299=825+597+618=490-(15+112)=191+317+217=141+57=425-148-32=360-22-130=102-14+48=368+127-254=741×(462-458)=648-(52+344)=484-13-226=246+252=441-172-163=364+(762-245)=307-(21+170)=771-253×2=489+(465-190)=716-44×9=204-182=628+(171-158)=137+33-137=391-278=407×(325-316)=739-91-572=687-(262-77)=81-37=1/8+3/8=92×3+380=217×(487-483)=462+279=250+87-17=368-105-237=755-(507-352)=623-149-266=890-504-105=102+282=402-357+266=942-(245+75)=373-340+439=988-299=383-(547-255)=276-(75+152)=148-35×2=944-744+824=812×(351-342)=136-(326-227)=122+150×4=68×(272-266)=252+162=65×2+18=3/7-2/7=439+39-299=125+215=780×(352-349)=698+(165-154)=460-244=434-10-389=988-117×3=432-11×4=223+47=321-(666-507)=3/6+2/6=190×3-503=955-(571+27)=124+339-44=20+(706-667)=885-497+105=297×(172-164)=79×5+475=710+554-110=730×(987-984)=53+32=175×(51-48)=211+866=422+203×2=230+405+65=464-(117+273)=732+842+654=368-41×3=136+370-452=868+(960-570)=873+815=446-25-93=136+329-371=931×3=992-(945-111)=146-53=324-113-76=172+46×9=4/5-1/5=431+521-135=428-41×5=444-346+193=785-(681+98)=238+404+53=924-129-85=94+258=96+107=199×(474-470)=310+98-272=683-(757-123)=144-(205-159)=325+540-393=430-75×2=747-316+846=870×3-128=2/8-1/8=895+809=25+356-290=176×3-409=286×(182-177)=117×3+993=188+193+313=425-207-178=281×3-613=605+581=998-43=277-248+243=165+413+335=826-540+320=102+(492-151)=42+(321-42)=636-275-142=4/8-1/8=439-114=365+65=583-(634-562)=85+(178-67)=731+116×2=195-(482-364)=924×9=330+35+227=317-(709-495)=690-547+386=464-(49+340)=706-(320-256)=322-294=856-217+564=2/10+5/10=425+(582-36)=87+286×3=460-331+154=379-(275-72)=776-125×5=423+69-93=301-(174+111)=70-(213-168)=424-16-23=884×5-45=629-354=70×7-224=427+129=420-187×2=994-864=28×8=582×(633-624)=954×7=81×3=926-82+702=139×(725-720)=2/6+3/6=160+74=971-(177+707)=195+(920-179)=131×7-246=40+(332-162)=462-216+190=674×9-703=33+(359-104)=495-(71+311)=582+306-733=675+472-882=446-(13+418)=168+(627-211)=471-(405-79)=936-223-418=76×(247-243)=385-(395-51)=189+151=442+(140-35)=371-(301-198)=671-(398+122)=289+320=408-213+270=73×4+668=3/7+2/7=20+160+437=272×2-360=732-172×4=398+25-210=98×7=274×7=315+64=58×4=85+(808-738)=695-602-33=815-55=396+102=934-650=18+279+503=146×3-253=856+493+732=228×(77-73)=153-52×2=561-382+161=498×(868-860)=861+296+521=622+100-694=638-29-424=90×4+332=847-465=83+405-256=3/10-2/10=49×(311-307)=966+478-27=474-(315+93)=389-55-17=344-94=141×2-163=661+670+684=983+466+461=348+52×3=428-216-201=197+674=833-(362-324)=388+312=901-(55+245)=290+348×2=53+876-900=18+96+840=497-(762-324)=896-22×3=503×2=33×6=352×2-649=845×7=835×5-446=235×4-203=371+218=833+(367-218)=307×3+889=200-146+384=493-(69+424)=583×8-341=914-102-107=99×4=16×(226-221)=560-(997-925)=964+(795-621)=230+446+40=362-256+192=958-307×3=752+796-705=395×(64-60)=176-159=2/8+3/8=834-(770-357)=348+(221-208)=140+256-307=476-(58+124)=77×4=217×7-393=496-(403+55)=923+185+100=458-220-155=347+644-327=166×6=222+76×8=889×3=404+32-143=987-521-93=183+405+905=982-129-400=309×5=42+115+504=486-306+184=171×(376-372)=946+541-77=78×7=603×2-836=179×4-166=294+70-70=109+(149-106)=924-87-82=832+83×5=222+523=244-(271-68)=61×(407-400)=438-(184+104)=165×5-605=156+107×6=364-(402-104)=11×8=231×5=456-(59+227)=72+131×2=240+142=648-204=11×9+120=926-(603+224)=11+25=390-375+343=744-120+159=509+97+176=946+932=111×3+123=710-21×6=787+186×3=726×(823-820)=498-(232+262)=568×2=346×4-899=66×6+551=120+73+49=47-(397-374)=200×(112-107)=49+93=215+110=915×3=230-(15+64)=347-97×2=55+(332-154)=975-770=331-153-152=441-279=299-(23+54)=496-(477+17)=914+71-271=491-116×2=744+909+964=140×2+540=566+370-62=425-(96+156)=495-63-325=94-(437-405)=331-165+93=830-528-177=720+175×4=320-217=835-(459+311)=693+759-360=390×2+558=560×5-353=251+406+88=756×2-678=354+91-371=481-(333-309)=476-111-267=191×(232-227)=788+695+383=978-163+487=275-77-194=222+(563-441)=206+173+124=687-113×3=279+90=720-(60+336)=332+157-125=470-12×3=299-(125+20)=824-204×3=457-(193+91)=206-16×9=253-52-95=139+348=380+852+715=745-(696-600)=362+90×7=368-20×8=428-95=126+360=181×4-571=389-215=440+84×6=436-22×8=909-(513+210)=584×(63-58)=126+848+323=401-263+147=847+31-470=469×(15-10)=681+140-245=1/5+2/5=216×4-404=432-13×2=159×5=3/5-2/5=415-267-142=572+266-151=953-(745-226)=268×2+287=235-(131+22)=988-(404+423)=713+586-565=185+288-324=954+773-300=357-(381-162)=800-(604-518)=158-28×2=394-56-321=384+96-234=274-11+230=3/5-1/5=567-43+132=84×6=222+(442-227)=19×4=46×(266-257)=444+667+800=385+60-29=248×4-854=393+87=998-853=485-74×2=368-344=372+548+46=140-(266-183)=981-499-473=754-(77+535)=123-(992-956)=109+(971-329)=743×5-707=2/5+3/5=825×(103-95)=参考答案276-38=238438-155-83=20021×(371-362)=189821-(645+19)=157246+(450-79)=617133×(313-309)=532173-(45-34)=16289+252=341860-49×7=517538×5-279=2411549+760=1309214+162-111=265164-48×3=20688-15×7=58394+618+247=95962+125=187521+753+40=1314880+(319-84)=1115459+(369-288)=540443-389=54450-19+48=479225-143=8277+(496-154)=419264×2+235=763748-109×6=9462×6+52=424572-(47+157)=368238+148×3=682269+86-200=155270×2+178=718946-(561+151)=234481-344+128=26532×9+141=429279-(419-198)=58426+696+190=1312994-637+489=846100×8+787=1587394+222+283=89956×4=224325+69=394946-356-140=450598-(244-39)=393968+(811-582)=119739×8=31264×(97-89)=512665+(211-70)=806359+(285-38)=606211×4=844170×4-563=117644×(79-74)=322086×3=258357-106=25155+162=217113×(343-338)=565703-128+123=698454×8=3632181×(208-204)=724465-(202-170)=433235-(530-453)=15859+311=370233+(717-702)=248373×(555-546)=3357415+60+26=50184+48=1322/7+4/7=6/7418×4=1672397-(464-184)=11798+(320-48)=370209+179+456=84466+302=368626-347+610=889755+227+456=1438923-668-118=137919-343+753=1329223+183+586=99210×7+316=386623+142+35=800604×4-56=2360832-(142+55)=635958-(419-257)=796303+67-316=54461-242=219902-(375+118)=409210+535-369=376376-256=120659×5-808=2487703×9-15=6312383-33=350367-(16+79)=272153×(407-403)=612702-319+553=936380-268+201=313462-331=13156+409×2=874344-88-202=54345-31-29=285983+228×2=1439323-(233+26)=64208+260=468336-(488-385)=233245-(155+21)=69836+(911-100)=1647453-(948-690)=195148×5-383=357989-238×2=51367×7=469718+175×2=1068169×(122-117)=845199×5=995363-56×4=139175×4=70088×(432-429)=264555×6-545=278549×(208-202)=294296-179=1172/3-1/3=1/3992-163-400=429403-(19+245)=139201×(269-265)=80486×7=60237×2-31=43633×8-890=417463+(365-106)=322928×6=5568174-138+262=298956×(771-767)=3824621-50×2=5212/4-1/4=1/4899-(159+714)=26298+(412-225)=485705-88×5=265275×(153-149)=1100777+142+40=959226-32+75=269172+326-35=463610+(813-45)=1378342×2-132=552271+(453-69)=655763×(461-457)=3052629-(518-279)=390365-(210-143)=29863×9=567203+219+519=941311-275+183=21930×5+189=339437-146×2=145774-315-408=51721-113×5=156299-109-49=141682-294=388685+207+43=935304-79-215=10456-51×7=99212-115+81=178311+56=367390×2=780774×7-531=4887363-(279-97)=181286-184+200=302107×(320-316)=428614×6-503=3181800-759=41608×7-608=3648235-108×2=19101×3=303238×4=952679-183×2=313721×(602-598)=2884272-50+278=500874-293-202=379656-108=548551-131=42026×(814-805)=23452+22=74449×2+230=1128524×(513-506)=3668321×3+665=1628195+(189-105)=279585-224×2=13788×8=704277-20-146=11138×6+805=1033995-25+777=1747107+595+131=833802+203+342=1347485-37-429=19197-166+385=416939+262-146=1055248+81×4=572343-203=140482-(333-213)=362598-219-363=16847-(623+68)=156458-(322-115)=251496-485=11277+262-148=391248+496=744139×7-970=3852×2=1704852-(59+669)=124396+21×4=480415×2+578=1408971-(470+115)=38629+(470-375)=124267-(347-130)=50216×4-134=73031+158×4=663456-24=432541-(378+111)=52108+(488-126)=470392×3-666=51021×(112-105)=147805-273+829=1361500-(67+357)=76115×2-227=3864+(437-306)=995339-319+142=16220+200-199=21382-78-128=176164-28×5=2475+987+42=110475+399=474262×3+79=865451-229-62=160269+181-270=180242-136-31=75359-180=179125-68=57443-49×6=149571-(213+136)=222448×(391-386)=2240475+857-321=1011700+972+902=2574667-(706-575)=536737+46×7=1059367-57-140=170180×4-635=853/4-1/4=2/4195+(456-453)=198206+(299-36)=46993×9=83788×(100-91)=792369-221=148727+168+26=921586+135-521=200484-(331-311)=464195-33×3=96265+(494-97)=662889×(999-996)=2667373-129-134=110339×6-952=1082959-485=474498-(206+49)=243345-53=292196-(337-216)=75494×2=988283-(383-348)=248447-(50+371)=26157+212×2=581559-547=12289-162-31=9617+93+420=530848+412-719=541874+994-456=1412659-474+834=1019103×(222-213)=927321×2-287=355306-(239+24)=43558×(391-386)=2790180-(446-277)=11904-(397+29)=478222+45=267639+(744-153)=1230419×2+960=1798769-50×6=46927×7=189667-592+294=36959+29-52=3637×3=111138×3-180=234380-19×4=3041/8+6/8=7/8118-35+267=35011+473×2=957474×8-870=2922961-(575+315)=71341+365+308=1014520+24×6=664104+(122-38)=188825+146×5=1555327-80+71=318157+464+485=1106270-(852-678)=9692+(513-417)=188971×3=2913932+609=1541794×(622-618)=3176467-38+854=1283537-(598-423)=362491-(218-189)=462491-14×3=449331-(90+199)=42125+411=536124+207=331240-159+132=213346×5=1730201+447+150=798256+270+225=751475-413+326=388415-71×4=13179×(64-60)=316943×(104-96)=754480×5=40068×(314-306)=54496×3-275=13383+73-444=12447×8-752=2824410-104=306421×2-142=700149×2=298500-95×5=25473-28×8=249354-35×2=284162+420+157=739518+63×9=1085391+61+528=980630-(141+264)=225381-219+208=370714-209-197=308298×9=268229+165=19456+140=19655+(180-36)=19972+247=319461+(412-239)=634406-47×8=30877+784=1661698+558+655=1911646×7=4522239+72-210=101728×2=1456925-628+359=6564/8-3/8=1/8464-346=118737-(171-85)=651662-623+69=108545×2=1090728-63-523=142232+(908-536)=604277-77×3=46820-87×8=124123-(164-163)=122727-439-89=199334-(294-289)=329147-144+52=55580-87=493398-228=170914×8=7312480-(435-107)=152993+(982-495)=148087×2+22=196320-55×2=21045×(341-335)=270257-28=2291/7+5/7=6/7964-(99+555)=310455-344=111481-(964-851)=368243+92-145=190645+306-489=462172×(497-494)=516290×3-354=516695-265+905=1335144+(294-207)=231352-332=2081×2+228=390847+(706-254)=1299710-40×3=59044+82+744=87050×5+96=346487-46×4=303263+(565-88)=740317-77×3=86643+114=757938×(341-338)=2814278+24×5=398190×3-21=549359+547-277=629356×8-683=2165374+716-271=819455-24=431153×4+374=986404×2-435=37320×3=60177+140-137=180357+(873-214)=1016327+56=383336-124=21233+53=86281×4-449=675304+(280-174)=410791-71-696=24407-156-104=147974-947=27169×3-231=276380-105-179=96689-267+457=879175+314=489405-197=208593-52=541399×2-623=175403-183=220435-314=121923+298×3=1817856-14×8=74493×6=558421+(294-95)=62062+(486-281)=267427×2=854928-390+893=1431616-279×2=58813+735+839=2387107×9-138=825980-107-105=768293+738+738=1769385+135+346=866660-193+592=1059219+378=597271×4=1084189×4-486=270108+63+348=519768+(932-418)=1282684-295+80=469105-12×6=33411-(107+107)=1974/8+2/8=6/8452×8=36163/8-1/8=2/8944×3=2832255+30+299=584825+597+618=2040490-(15+112)=363191+317+217=725141+57=198425-148-32=245360-22-130=208102-14+48=136368+127-254=241741×(462-458)=2964648-(52+344)=252484-13-226=245246+252=498441-172-163=106364+(762-245)=881307-(21+170)=116771-253×2=265489+(465-190)=764716-44×9=320204-182=22628+(171-158)=641137+33-137=33391-278=113407×(325-316)=3663739-91-572=76687-(262-77)=50281-37=441/8+3/8=4/892×3+380=656217×(487-483)=868462+279=741250+87-17=320368-105-237=26755-(507-352)=600623-149-266=208890-504-105=281102+282=384402-357+266=311942-(245+75)=622373-340+439=472988-299=689383-(547-255)=91276-(75+152)=49148-35×2=78944-744+824=1024812×(351-342)=7308136-(326-227)=37122+150×4=72268×(272-266)=408252+162=41465×2+18=1483/7-2/7=1/7439+39-299=179125+215=340780×(352-349)=2340698+(165-154)=709460-244=216434-10-389=35988-117×3=637432-11×4=388223+47=270321-(666-507)=1623/6+2/6=5/6190×3-503=67955-(571+27)=357124+339-44=41920+(706-667)=59885-497+105=493297×(172-164)=237679×5+475=870710+554-110=1154730×(987-984)=219053+32=85175×(51-48)=525211+866=1077422+203×2=828230+405+65=700464-(117+273)=74732+842+654=2228368-41×3=245136+370-452=54868+(960-570)=1258873+815=1688446-25-93=328136+329-371=94931×3=2793992-(945-111)=158146-53=93324-113-76=135172+46×9=5864/5-1/5=3/5431+521-135=817428-41×5=223444-346+193=291785-(681+98)=6238+404+53=695924-129-85=71094+258=35296+107=203199×(474-470)=796310+98-272=136683-(757-123)=49144-(205-159)=98325+540-393=472430-75×2=280747-316+846=1277870×3-128=24822/8-1/8=1/8895+809=170425+356-290=91176×3-409=119286×(182-177)=1430117×3+993=1344188+193+313=694425-207-178=40281×3-613=230605+581=1186998-43=955277-248+243=272165+413+335=913826-540+320=606102+(492-151)=44342+(321-42)=321636-275-142=2194/8-1/8=3/8439-114=325365+65=430583-(634-562)=51185+(178-67)=196731+116×2=963195-(482-364)=77924×9=8316330+35+227=592317-(709-495)=103690-547+386=529464-(49+340)=75706-(320-256)=642322-294=28856-217+564=12032/10+5/10=7/10425+(582-36)=97187+286×3=945460-331+154=283379-(275-72)=176776-125×5=151423+69-93=399301-(174+111)=1670-(213-168)=25424-16-23=385884×5-45=4375629-354=27570×7-224=266427+129=556420-187×2=46994-864=13028×8=224582×(633-624)=5238954×7=667881×3=243926-82+702=1546139×(725-720)=6952/6+3/6=5/6160+74=234971-(177+707)=87195+(920-179)=936131×7-246=67140+(332-162)=210462-216+190=436674×9-703=536333+(359-104)=288495-(71+311)=113582+306-733=155675+472-882=265446-(13+418)=15168+(627-211)=584471-(405-79)=145936-223-418=29576×(247-243)=304385-(395-51)=41189+151=340442+(140-35)=547371-(301-198)=268671-(398+122)=151289+320=609408-213+270=46573×4+668=9603/7+2/7=5/720+160+437=617272×2-360=184732-172×4=44398+25-210=21398×7=686274×7=1918315+64=37958×4=23285+(808-738)=155695-602-33=60815-55=760396+102=498934-650=28418+279+503=800146×3-253=185856+493+732=2081228×(77-73)=912153-52×2=49561-382+161=340498×(868-860)=3984861+296+521=1678622+100-694=28638-29-424=18590×4+332=692847-465=38283+405-256=2323/10-2/10=1/1049×(311-307)=196966+478-27=1417474-(315+93)=66389-55-17=317344-94=250141×2-163=119661+670+684=2015983+466+461=1910348+52×3=504428-216-201=11197+674=871833-(362-324)=795388+312=700901-(55+245)=601290+348×2=98653+876-900=2918+96+840=954497-(762-324)=59896-22×3=830503×2=100633×6=198352×2-649=55845×7=5915835×5-446=3729235×4-203=737371+218=589833+(367-218)=982307×3+889=1810200-146+384=438493-(69+424)=0583×8-341=4323914-102-107=70599×4=39616×(226-221)=80560-(997-925)=488964+(795-621)=1138230+446+40=716362-256+192=298958-307×3=37752+796-705=843395×(64-60)=1580176-159=172/8+3/8=5/8834-(770-357)=421348+(221-208)=361140+256-307=89476-(58+124)=29477×4=308217×7-393=1126496-(403+55)=38923+185+100=1208458-220-155=83347+644-327=664166×6=996222+76×8=830889×3=2667404+32-143=293987-521