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570+53×6=287-(308-214)=700+208-637=475+10-102=155+49+309=174×(426-423)=334-(308-91)=580-188×3=350+33-293=165+132=984×8=895+929+508=151×(114-111)=365×2=328+(497-389)=43×2-42=28×5+148=678-261=603+237+953=301-20×2=230+919=431-86-78=281×3=80×9-97=198×4-177=740-335=865-132-371=780-(99+575)=379-192=673-(416+135)=80+(193-156)=193+(915-376)=290-(401-303)=571-391=600-(11+273)=727-310=696-564=454-(496-225)=309-(49+178)=343-277+828=441×4=321+723=32+266-28=588×9-422=279-77=223-192+272=469-181-256=791-172×2=437-129+722=315×2=109×(462-455)=657×(972-963)=8/10-2/10=285+207-216=115×3=380-(84+112)=216+321+371=347+102=684×(458-454)=310+27-182=674-597+657=328+67×3=342-175-111=81-11×3=418-255+267=371-(87+226)=255+547=222×2=283-(271-108)=274-(21+65)=524+(838-391)=800-85=205×6-733=438-175-133=240×4=778×6=373+(768-218)=238+700+983=79×9-294=18+330-19=945-62-337=32×5=280-196+74=378-140-19=342+824-761=897-(254-191)=226-(244-136)=692-165+677=654-(301-256)=429-(55+60)=2/5-1/5=232-48=233×3-492=583×6-55=589×(919-915)=397-(273+111)=406-41×5=542-(728-300)=911+485×2=190+(741-383)=118-(377-279)=336-(430-283)=489+(370-286)=881-585-163=153×4=768-143+375=561+474=393+(382-218)=968-(123+110)=154+23×4=815-(151+82)=243+(320-246)=913-277=66×2+136=123×9=13×6=409-(417-111)=240+706+466=333+98×9=351×2-623=324-83-21=898-15-42=461-87-125=675+870-468=525×2-697=269+315×2=793×2=949×5=828×3=333+61×3=897-576+65=392-74+57=440-(97+123)=359×(986-977)=799-182×4=227+73+152=201+356+21=146+97×4=531-(251+247)=168×(421-417)=437×2-127=253×3+810=337×2=735×7-563=966-(826-156)=211-74=442+(973-429)=645+424+988=517×(471-464)=3/6-2/6=316-64+218=769+448-854=633×3=814+918=259+90-331=10×5=382+764=987+132+922=351+86=116×(42-38)=175+39=394-114-113=660-(931-601)=950-(378+259)=72+(721-524)=180-177+653=961-452=92+201+781=356-44-307=5/7-2/7=461-424+603=789-397+441=935-(619-113)=908-(650+221)=302+170=809-76=319+159=895-448-120=363×(374-369)=472×(608-604)=170-(25+110)=61×8+187=939-(86+281)=921-285-110=590-(960-714)=154+78=489-(760-421)=40×8+763=324+85=139+(424-166)=76×8=185+252=567×8-143=626-492+179=688-(589-37)=19×(54-45)=360+52×5=189×2=625-210+714=297+(955-710)=232+664+25=456-96-167=402-110-60=195+220=339×4-424=459-(187-133)=608+33×2=246+(721-526)=474×2-786=231×4+559=18×(219-215)=242+139-114=376+609-622=610+644=166+81×8=735-(806-733)=432+57-296=755-413=496×6-135=763-312×2=236×4+12=352+(472-77)=147-131+265=58×9+405=243+161-120=83+313-34=499-125-262=879+159×2=766-(474-385)=830-659=114×5+360=816×(237-233)=482×2=449-109=56+145-135=580-(70+63)=22+118=736+459-480=351-(231+95)=989×9=3/7+2/7=513-185=43+212-57=411×7=250×4-957=354+(347-66)=216×4+630=25×(210-205)=134+900-495=777+221-654=895-18×6=2/5+3/5=925+522-934=793-262-368=160+302-451=277-41-67=316-278+41=418-178=182+516=392-26×6=441×6-527=872-666+953=335-(76+76)=15×2+191=345+103+262=632-190=888-223-361=955-(481+295)=629-429=230+225=410-17-391=487-48-51=170-12×6=117+52=269+170=481-329=777+831+690=228×4-652=522-358-76=79×8=48-17=196×(34-31)=445+94-82=676-(511+133)=107×8=98×9-366=543+(817-615)=133-(393-327)=482-(60+137)=646-(194+301)=390-(16+239)=486+167=190-(21-13)=319-66=381+77=1/8+3/8=684×(915-908)=372-10×7=463+106+299=154+125=982+366×2=4/7+2/7=541-73×3=460-(62+247)=114-(487-416)=208+632-571=977+(261-80)=111-66+198=349-(264+10)=615-354=654+123+235=422-131×2=204+39-202=120×(109-103)=217+263+461=131×7-158=181+305=499-55×6=162-149+153=780-147-418=373-(807-692)=186+161=145×6+732=319+146-274=86×9-310=56+(191-11)=629+55-635=507+936=383-129=397×2=407×2-496=417-179×2=89×7=227+413=388-(51-40)=206+366-262=88+616+175=107×9=31+409-290=761-113-61=121-89+648=865+(663-143)=413+(394-269)=473-88-164=394+81+562=712×6-646=958-27×9=805-(375+50)=645-(235+327)=1/6+4/6=15×(197-190)=813×2-503=26×(147-144)=348-106-238=769-(56+523)=419-(27+340)=200-27=100+219-202=439+25-41=261+(256-125)=237+521=890+(755-326)=222+536=68-(756-737)=315+(409-106)=6/10-1/10=15×4+988=316-86-156=473+(333-181)=903+802+330=342-(22+186)=344-(543-436)=210-(17+182)=28+81+753=926-(62+229)=515-110×3=352+66×6=440×(890-885)=660×(627-618)=590+913+156=81-36×2=1/4+2/4=47×5+384=382-288=963-(551-521)=790×(936-927)=958+(944-693)=954-(616+210)=544+80+925=23+395-40=53+33+570=146+88=39+281×3=198+182=286+154-183=395+61+286=452+(921-664)=495-332+160=245+19×3=582+118×6=210+(380-239)=510×7=107×(277-268)=444+(349-186)=424-302=285-278+208=7/9+2/9=244-53=128-27×4=124+195=623+(430-287)=278×9-818=705-329=257-(79+21)=843-26×2=322-118=441+(151-107)=899+(963-610)=491-145×2=388-(161-117)=192×(815-810)=205+588+34=584-16-249=332×(725-718)=464×2=392+(259-183)=297×3=490-(283+89)=997-720=232-10×8=22×5=135×4-17=348×2-202=796-649+681=400-(396-15)=420-168×2=101-(242-241)=226-101=75+340+23=69+801+67=379-97-129=26×6-107=38+222=333+82=6/10+2/10=2/4-1/4=191×(193-188)=1/10+6/10=76+232=173-155=131+192=773+83+99=123×3+400=481+(414-325)=446×2=19+416-379=677-70×9=154×(166-161)=856×7=466-86=391-19×6=7/8-1/8=361-52+35=837-422+931=314+(77-46)=370-(477-271)=10×3=29×6=677-56×6=464-30=324-(375-364)=430-132-173=129×5+436=2/9+3/9=746-470-137=4/7-2/7=859+141-899=899-(947-801)=441+13-213=51×8=944-647+286=946×(385-381)=957-808=742+(224-60)=312-56×3=459-(442-199)=431-195-215=575+144+397=74+18×8=157×6+936=94×8=902-(986-460)=561-(863-485)=340-92+194=88+402=19-14+269=428-(101+179)=137×5-235=31×3=38×(273-267)=459-354-104=885-346-408=313-258+28=170×2-56=505×5=117+(193-121)=50×(199-190)=72×8=300+62=40×8=692×(126-122)=80+843+413=58+114=655-335-75=711×7=351-238=21×2=3/8-2/8=399-(297+42)=316+352+232=338-51+35=426-(78+211)=431-(108+267)=444-68×5=272×9-34=968×4=114+88×9=468-417+163=164-71+295=134×(132-129)=832×8-213=514×3-889=463-193-226=397-(498-435)=984×(32-29)=24+342-28=418-(404-305)=441-(480-328)=81×6-94=423+32+524=982-83+385=112+118+905=446×9-829=408×(330-324)=70×7=775-593=98×7-472=2/7+5/7=136+347-27=6/8-1/8=285-102-72=197×3+213=360-27=80+200-91=6/7-1/7=879+625-39=192×(481-477)=117+(663-154)=326-41×4=568+865+367=441-98=236×4-104=72×5+378=601-126×2=340+(356-64)=763-619+155=111×9-465=474+12-77=47×(238-230)=123×(267-263)=486-108+85=414×5=156×3=97-20+383=336-63+188=758×6=923-412=990-372=322-40×3=467-(772-629)=781+394-94=243×(746-740)=470-393+145=218+63-66=495×2-258=400+288=435-(385-171)=418-389=462-267-39=111×(279-276)=121+454+593=368-(298-99)=743-430-295=583×5-943=690-(161+366)=386-193-70=255+(252-92)=675×(64-61)=32×4-82=321-43×7=45×(299-291)=850-40×7=928-47×3=290+(161-19)=143×5+224=625+(516-308)=118-(19+74)=252-(339-113)=211×2+305=489×(357-350)=145-78+141=385-20=87+125-207=811-(190+135)=216+(446-425)=532+55×7=922-646+522=306+(255-113)=858+270+410=653-48-291=547-(470-116)=605-(326-280)=525+(936-579)=576-538=247×3+891=362×2=30+312+245=35+65=855-299×2=999-63×2=282-172=273×3=453+(529-28)=229×(99-96)=841+410-759=574×(485-476)=288-232+192=399×6-788=390-(443-80)=487-104+863=249+738-184=58+(437-249)=151+28=438-285-145=64-(390-348)=433-(97+151)=486+169×3=89+431+289=150×3-40=283-28×8=180+59=79×(234-225)=231+161=559×8-431=230+623-164=350-48×6=283+247+220=795×5=784-447=300-201=628-80×6=509+636=360×8-601=512+375+555=227-200+137=252×2-460=36×8=27×8+229=707-24×7=439-(29+189)=150+151×3=312-192=317+(120-46)=452×4-264=10+47×2=761+29+86=337+67=858-28+513=349-14=376-102-49=899-80-390=45×7-259=466×(659-656)=99+210=118+606+183=257+(420-209)=211-31×3=472-(94+360)=641-134×3=98×(117-112)=291-171-27=389-171×2=226+116+66=318+(280-279)=999-546+939=452+313+209=130×(488-482)=69+95+579=652-(596-61)=115+170=468-50×5=2/8+5/8=35×6=431×(924-921)=258-214+426=853-(79+467)=29×7-11=69+151×5=799-(188+407)=53+247-15=377-48×3=162×3-276=215+(364-334)=14×6+219=695×9-941=629×3=859-138-653=200-29×4=414-(80+250)=891-(645-291)=437-29×7=869×4-225=749+(829-801)=796-302+745=862-(662-641)=965+853=901-(498+52)=61-(476-429)=714-(333-141)=61×6+352=60+198=570-180×2=175+753-258=98×3+360=458+389=429-19×5=668-(537+127)=686-40×6=995-813+441=628-40-64=493-86+90=998-189=274-170-16=585-174-14=317+23×2=260+168=565-113-131=288+(249-135)=448+236+124=425-(166-118)=629+292×2=66×5+458=180-(366-268)=404-10=400-(401-151)=308-93=416-135-142=738×3-269=693×2-406=524×4-449=993+791=442-249=576+(515-218)=898×7-945=798-102×3=249-125+210=386+31+793=352+248=201+760+381=69×8+166=432-30×5=157×5=466-(401+30)=195+91×7=427+(461-414)=333-(448-390)=467×(267-262)=724+328+904=333+302+100=640+670-931=451+75×6=404×(574-570)=285-(61-57)=2/8-1/8=198×5-297=949+419=20+464-176=985+954+68=933-416+788=165×5-783=338-65×2=425-33=170-52+209=428-(13+62)=959-88+151=164+11×2=472-87-175=816+368-410=929-101+535=574+197=200-88+23=688-107-196=99×(350-341)=218+96=225-46×4=298-133=476-100+103=76×2-54=69×(105-98)=266×(965-959)=832-141-268=934-92×3=137×7=381-49×5=157+123+71=776×(32-28)=409-14=106+412+404=624+(984-303)=268+924+427=218+611+76=486-272-90=378×7=375+(462-441)=412-(159+105)=882-454-88=163×4+68=563×(542-534)=48+416-76=661-(197+207)=170-(63+103)=369-(130+144)=20+886+29=513×7=355-36×4=769+116-383=318-207+295=675-55×7=710-410-208=185×(263-258)=610-10+539=899-(771-68)=313-299=211+477+66=100+456+161=737+930-376=307+150-313=26+(400-90)=39×7+203=366-99×3=85+177=849-68-736=820-(432+155)=401+116+251=655+970-286=937-(35+17)=603+595-547=283+(965-479)=51+260-212=345+281×2=316×(59-56)=408-18=201+(366-226)=867-52×3=参考答案570+53×6=888287-(308-214)=193700+208-637=271475+10-102=383155+49+309=513174×(426-423)=522334-(308-91)=117580-188×3=16350+33-293=90165+132=297984×8=7872895+929+508=2332151×(114-111)=453365×2=730328+(497-389)=43643×2-42=4428×5+148=288678-261=417603+237+953=1793301-20×2=261230+919=1149431-86-78=267281×3=84380×9-97=623198×4-177=615740-335=405865-132-371=362780-(99+575)=106379-192=187673-(416+135)=12280+(193-156)=117193+(915-376)=732290-(401-303)=192571-391=180600-(11+273)=316727-310=417696-564=132454-(496-225)=183309-(49+178)=82343-277+828=894441×4=1764321+723=104432+266-28=270588×9-422=4870279-77=202223-192+272=303469-181-256=32791-172×2=447437-129+722=1030315×2=630109×(462-455)=763657×(972-963)=59138/10-2/10=6/10285+207-216=276115×3=345380-(84+112)=184216+321+371=908347+102=449684×(458-454)=2736310+27-182=155674-597+657=734328+67×3=529342-175-111=5681-11×3=48418-255+267=430371-(87+226)=58255+547=802222×2=444283-(271-108)=120274-(21+65)=188524+(838-391)=971800-85=715205×6-733=497438-175-133=130240×4=960778×6=4668373+(768-218)=923238+700+983=192179×9-294=41718+330-19=329945-62-337=54632×5=160280-196+74=158378-140-19=219342+824-761=405897-(254-191)=834226-(244-136)=118692-165+677=1204654-(301-256)=609429-(55+60)=3142/5-1/5=1/5232-48=184233×3-492=207583×6-55=3443589×(919-915)=2356397-(273+111)=13406-41×5=201542-(728-300)=114911+485×2=1881190+(741-383)=548118-(377-279)=20336-(430-283)=189489+(370-286)=573881-585-163=133153×4=612768-143+375=1000561+474=1035393+(382-218)=557968-(123+110)=735154+23×4=246815-(151+82)=582243+(320-246)=317913-277=63666×2+136=268123×9=110713×6=78409-(417-111)=103240+706+466=1412333+98×9=1215351×2-623=79324-83-21=220898-15-42=841461-87-125=249675+870-468=1077525×2-697=353269+315×2=899793×2=1586949×5=4745828×3=2484333+61×3=516897-576+65=386392-74+57=375440-(97+123)=220359×(986-977)=3231799-182×4=71227+73+152=452201+356+21=578146+97×4=534531-(251+247)=33168×(421-417)=672437×2-127=747253×3+810=1569337×2=674735×7-563=4582966-(826-156)=296211-74=137442+(973-429)=986645+424+988=2057517×(471-464)=36193/6-2/6=1/6316-64+218=470769+448-854=363633×3=1899814+918=1732259+90-331=1810×5=50382+764=1146987+132+922=2041351+86=437116×(42-38)=464175+39=214394-114-113=167660-(931-601)=330950-(378+259)=31372+(721-524)=269180-177+653=656961-452=50992+201+781=1074356-44-307=55/7-2/7=3/7461-424+603=640789-397+441=833935-(619-113)=429908-(650+221)=37302+170=472809-76=733319+159=478895-448-120=327363×(374-369)=1815472×(608-604)=1888170-(25+110)=3561×8+187=675939-(86+281)=572921-285-110=526590-(960-714)=344154+78=232489-(760-421)=15040×8+763=1083324+85=409139+(424-166)=39776×8=608185+252=437567×8-143=4393626-492+179=313688-(589-37)=13619×(54-45)=171360+52×5=620189×2=378625-210+714=1129297+(955-710)=542232+664+25=921456-96-167=193402-110-60=232195+220=415339×4-424=932459-(187-133)=405608+33×2=674246+(721-526)=441474×2-786=162231×4+559=148318×(219-215)=72242+139-114=267376+609-622=363610+644=1254166+81×8=814735-(806-733)=662432+57-296=193755-413=342496×6-135=2841763-312×2=139236×4+12=956352+(472-77)=747147-131+265=28158×9+405=927243+161-120=28483+313-34=362499-125-262=112879+159×2=1197766-(474-385)=677830-659=171114×5+360=930816×(237-233)=3264482×2=964449-109=34056+145-135=66580-(70+63)=44722+118=140736+459-480=715351-(231+95)=25989×9=89013/7+2/7=5/7513-185=32843+212-57=198411×7=2877250×4-957=43354+(347-66)=635216×4+630=149425×(210-205)=125134+900-495=539777+221-654=344895-18×6=7872/5+3/5=1925+522-934=513793-262-368=163160+302-451=11277-41-67=169316-278+41=79418-178=240182+516=698392-26×6=236441×6-527=2119872-666+953=1159335-(76+76)=18315×2+191=221345+103+262=710632-190=442888-223-361=304955-(481+295)=179629-429=200230+225=455410-17-391=2487-48-51=388170-12×6=98117+52=169269+170=439481-329=152777+831+690=2298228×4-652=260522-358-76=8879×8=63248-17=31196×(34-31)=588445+94-82=457676-(511+133)=32107×8=85698×9-366=516543+(817-615)=745133-(393-327)=67482-(60+137)=285646-(194+301)=151390-(16+239)=135486+167=653190-(21-13)=182319-66=253381+77=4581/8+3/8=4/8684×(915-908)=4788372-10×7=302463+106+299=868154+125=279982+366×2=17144/7+2/7=6/7541-73×3=322460-(62+247)=151114-(487-416)=43208+632-571=269977+(261-80)=1158111-66+198=243349-(264+10)=75615-354=261654+123+235=1012422-131×2=160204+39-202=41120×(109-103)=720217+263+461=941131×7-158=759181+305=486499-55×6=169162-149+153=166780-147-418=215373-(807-692)=258186+161=347145×6+732=1602319+146-274=19186×9-310=46456+(191-11)=236629+55-635=49507+936=1443383-129=254397×2=794407×2-496=318417-179×2=5989×7=623227+413=640388-(51-40)=377206+366-262=31088+616+175=879107×9=96331+409-290=150761-113-61=587121-89+648=680865+(663-143)=1385413+(394-269)=538473-88-164=221394+81+562=1037712×6-646=3626958-27×9=715805-(375+50)=380645-(235+327)=831/6+4/6=5/615×(197-190)=105813×2-503=112326×(147-144)=78348-106-238=4769-(56+523)=190419-(27+340)=52200-27=173100+219-202=117439+25-41=423261+(256-125)=392237+521=758890+(755-326)=1319222+536=75868-(756-737)=49315+(409-106)=6186/10-1/10=5/1015×4+988=1048316-86-156=74473+(333-181)=625903+802+330=2035342-(22+186)=134344-(543-436)=237210-(17+182)=1128+81+753=862926-(62+229)=635515-110×3=185352+66×6=748440×(890-885)=2200660×(627-618)=5940590+913+156=165981-36×2=91/4+2/4=3/447×5+384=619382-288=94963-(551-521)=933790×(936-927)=7110958+(944-693)=1209954-(616+210)=128544+80+925=154923+395-40=37853+33+570=656146+88=23439+281×3=882198+182=380286+154-183=257395+61+286=742452+(921-664)=709495-332+160=323245+19×3=302582+118×6=1290210+(380-239)=351510×7=3570107×(277-268)=963444+(349-186)=607424-302=122285-278+208=2157/9+2/9=1244-53=191128-27×4=20124+195=319623+(430-287)=766278×9-818=1684705-329=376257-(79+21)=157843-26×2=791322-118=204441+(151-107)=485899+(963-610)=1252491-145×2=201388-(161-117)=344192×(815-810)=960205+588+34=827584-16-249=319332×(725-718)=2324464×2=928392+(259-183)=468297×3=891490-(283+89)=118997-720=277232-10×8=15222×5=110135×4-17=523348×2-202=494796-649+681=828400-(396-15)=19420-168×2=84101-(242-241)=100226-101=12575+340+23=43869+801+67=937379-97-129=15326×6-107=4938+222=260333+82=4156/10+2/10=8/102/4-1/4=1/4191×(193-188)=9551/10+6/10=7/1076+232=308173-155=18131+192=323773+83+99=955123×3+400=769481+(414-325)=570446×2=89219+416-379=56677-70×9=47154×(166-161)=770856×7=5992466-86=380391-19×6=2777/8-1/8=6/8361-52+35=344837-422+931=1346314+(77-46)=345370-(477-271)=16410×3=3029×6=174677-56×6=341464-30=434324-(375-364)=313430-132-173=125129×5+436=10812/9+3/9=5/9746-470-137=1394/7-2/7=2/7859+141-899=101899-(947-801)=753441+13-213=24151×8=408944-647+286=583946×(385-381)=3784957-808=149742+(224-60)=906312-56×3=144459-(442-199)=216431-195-215=21575+144+397=111674+18×8=218157×6+936=187894×8=752902-(986-460)=376561-(863-485)=183340-92+194=44288+402=49019-14+269=274428-(101+179)=148137×5-235=45031×3=9338×(273-267)=228459-354-104=1885-346-408=131313-258+28=83170×2-56=284505×5=2525117+(193-121)=18950×(199-190)=45072×8=576300+62=36240×8=320692×(126-122)=276880+843+413=133658+114=172655-335-75=245711×7=4977351-238=11321×2=423/8-2/8=1/8399-(297+42)=60316+352+232=900338-51+35=322426-(78+211)=137431-(108+267)=56444-68×5=104272×9-34=2414968×4=3872114+88×9=906468-417+163=214164-71+295=388134×(132-129)=402832×8-213=6443514×3-889=653463-193-226=44397-(498-435)=334984×(32-29)=295224+342-28=338418-(404-305)=319441-(480-328)=28981×6-94=392423+32+524=979982-83+385=1284112+118+905=1135446×9-829=3185408×(330-324)=244870×7=490775-593=18298×7-472=2142/7+5/7=1136+347-27=4566/8-1/8=5/8285-102-72=111197×3+213=804360-27=33380+200-91=1896/7-1/7=5/7879+625-39=1465192×(481-477)=768117+(663-154)=626326-41×4=162568+865+367=1800441-98=343236×4-104=84072×5+378=738601-126×2=349340+(356-64)=632763-619+155=299111×9-465=534474+12-77=40947×(238-230)=376123×(267-263)=492486-108+85=463414×5=2070156×3=46897-20+383=460336-63+188=461758×6=4548923-412=511990-372=618322-40×3=202467-(772-629)=324781+394-94=1081243×(746-740)=1458470-393+145=222218+63-66=215495×2-258=732400+288=688435-(385-171)=221418-389=29462-267-39=156111×(279-276)=333121+454+593=1168368-(298-99)=169743-430-295=18583×5-943=1972690-(161+366)=163386-193-70=123255+(252-92)=415675×(64-61)=202532×4-82=46321-43×7=2045×(299-291)=360850-40×7=570928-47×3=787290+(161-19)=432143×5+224=939625+(516-308)=833118-(19+74)=25252-(339-113)=26211×2+305=727489×(357-350)=3423145-78+141=208385-20=36587+125-207=5811-(190+135)=486216+(446-425)=237532+55×7=917922-646+522=798306+(255-113)=448858+270+410=1538653-48-291=314547-(470-116)=193605-(326-280)=559525+(936-579)=882576-538=38247×3+891=1632362×2=72430+312+245=58735+65=100855-299×2=257999-63×2=873282-172=110273×3=819453+(529-28)=954229×(99-96)=687841+410-759=492574×(485-476)=5166288-232+192=248399×6-788=1606390-(443-80)=27487-104+863=1246249+738-184=80358+(437-249)=246151+28=179438-285-145=864-(390-348)=22433-(97+151)=185486+169×3=99389+431+289=809150×3-40=410283-28×8=59180+59=23979×(234-225)=711231+161=392559×8-431=4041230+623-164=689350-48×6=62283+247+220=750795×5=3975784-447=337300-201=99628-80×6=148509+636=1145360×8-601=2279512+375+555=1442227-200+137=164252×2-460=4436×8=28827×8+229=445707-24×7=539439-(29+189)=221150+151×3=603312-192=120317+(120-46)=391452×4-264=154410+47×2=104761+29+86=876337+67=404858-28+513=1343349-14=335376-102-49=225899-80-390=42945×7-259=56466×(659-656)=139899+210=309118+606+183=907257+(420-209)=468211-31×3=118472-(94+360)=18641-134×3=23998×(117-112)=490291-171-27=93389-171×2=47226+116+66=408318+(280-279)=319999-546+939=1392452+313+209=974130×(488-482)=78069+95+579=743652-(596-61)=117115+170=285468-50×5=2182/8+5/8=7/835×6=210431×(924-921)=1293258-214+426=470853-(79+467)=30729×7-11=19269+151×5=824799-(188+407)=20453+247-15=285377-48×3=233162×3-276=210215+(364-334)=2