三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案170+128=941+865=94+121=223+174=71+43=540+441=38+26=846+368=135+208=55+191=259+98=890+438=58+157=376+557=310+118=137+502=315+102=179+350=115+284=656+712=65+135=183+166=204+223=970+904=253+62=255+482=339+109=618+114=95+89=260+608=177+261=885+296=55+211=190+608=223+191=124+505=161+322=968+895=272+178=319+174=271+189=962+395=148+65=703+247=95+98=365+171=132+237=818+708=251+244=96+204=96+389=119+277=225+270=750+544=109+314=430+537=73+211=374+140=112+308=772+627=257-75=805-789=249-57=320-292=428-242=922-106=465-273=197-165=477-301=468-281=352-39=569-280=249-41=728-104=432-107=670-460=464-308=636-411=321-280=852-583=193-154=919-697=428-166=807-341=312-45=398-231=174-100=923-578=192-51=702-140=398-347=173-82=308-260=794-340=113-45=487-12=435-142=946-68=338-308=525-246=485-158=932-815=164-64=967-754=376-106=566-348=189-161=751-228=433-403=729-454=372-222=897-196=302-107=856-478=203-163=348-310=390-332=430-17=493-145=873-141=108×3=364×2=162×6=748×4=53×5=501×8=21×5=130×7=222×4=439×6=100×2=765×4=54×3=64×5=244×4=959×9=105×2=37×6=91×5=185×4=143×4=430×2=15×8=416×3=90×2=319×6=35×2=100×6=46×7=213×5=212×4=256×6=38×8=759×4=80×8=526×6=81×9=467×6=234×2=62×8=448×2=828×9=213×4=922×6=144×3=21×8=86×8=334×6=204×2=868×8=245×2=188×8=91×2=888×8=137×6=938×3=39×2=494×9=403×2=410×7=365+189+69=852+934+180=40+407+282=187+706+502=325+316+77=778+368+62=11+344+26=514+721+678=93+386+361=142+278+920=237+234+465=913+976+170=88+411+477=20+523+715=61+487+112=155+111+685=55+627+248=448+541+461=660+43+205=649+953+768=459+271+268=492+491+93=109+690+99=480+979+164=241+118+374=895+773+383=337+124+351=261+394+116=32+188+410=86+804+721=273+573+33=556+284+72=77+580+307=581+274+88=154+96+728=361+584+570=258+135+268=846+887+25=74+153+152=345+820+795=347+174+68=81+325+950=528+123+186=225+482+152=114+313+298=528+805+412=57+426+425=55+453+981=112+337+179=442+525+841=351+134+405=27+298+767=409+154+403=888+434+723=129+109+614=722+749+892=350+111+235=837+951+642=100+179+610=596+303+301=317+164-252=704+162-144=310+92-173=151+706-76=219+249-180=481+632-802=168+192-192=384+564-930=58+334-207=297+946-349=277+43-181=866+183-58=251+190-44=148+376-405=179+254-429=943+89-512=426+14-86=625+598-795=369+15-169=973+129-797=135+192-21=845+604-902=141+82-162=307+830-853=92+122-172=667+204-622=20+308-81=388+909-338=329+154-203=675+767-403=69+419-392=332+605-114=75+217-218=941+603-612=94+301-270=547+523-752=372+22-133=133+506-429=174+217-289=420+848-105=348+94-209=472+289-749=444+46-397=541+671-607=331+162-483=668+965-170=118+370-301=379+792-815=241+58-221=498+583-173=83+312-374=729+845-736=216+224-360=481+948-720=474+15-416=589+630-575=59+426-104=766+308-231=358+77-416=265+937-636=424-50-302=746-417-316=406-254-140=672-486-171=455-73-212=623-413-19=365-83-69=781-234-372=368-89-224=758-420-44=382-30-288=943-173-641=482-285-67=874-372-270=413-176-127=748-265-201=363-142-47=762-200-528=462-47-391=894-21-515=259-68-57=603-131-293=374-22-306=902-140-42=497-185-183=628-13-309=305-13-225=720-56-76=201-71-94=946-112-240=456-111-138=516-32-471=429-58-287=714-503-163=449-191-14=874-33-532=446-272-156=283-77-12=327-130-55=922-313-592=366-163-85=579-215-128=484-18-96=891-558-132=422-17-215=704-32-523=490-415-24=927-260-160=407-128-127=886-49-458=473-250-19=734-98-314=251-148-50=740-217-96=220-178-21=941-601-51=432-301-89=990-102-216=389-339-16=994-224-334=151-40+323=952-599+728=128-29+16=966-210+733=274-173+43=914-859+342=243-193+332=871-157+317=347-339+329=762-492+533=382-298+152=668-616+393=103-90+227=752-226+57=139-130+202=631-385+897=203-38+152=780-337+308=324-223+311=740-101+656=432-312+13=991-937+933=143-78+188=269-52+536=212-155+128=708-103+977=239-204+214=348-193+792=259-112+94=219-35+497=351-218+184=785-751+889=181-128+406=372-157+108=408-180+75=722-541+763=349-135+182=601-149+969=395-155+62=752-115+194=373-41+57=282-274+630=95-95+464=891-548+399=323-69+133=527-10+114=355-304+327=638-541+522=184-142+71=669-299+809=236-138+152=819-711+188=163-15+124=791-395+621=371-366+403=815-92+920=178-175+414=665-479+163=374-240+68=680-54+950=15+(364-53)=518+(950-27)=480+(31-20)=628+(868-456)=27+(455-126)=998+(782-618)=302+(267-118)=462+(238-187)=489+(269-169)=111+(580-293)=411+(490-57)=397+(697-402)=331+(425-335)=517+(860-314)=268+(493-72)=594+(343-255)=84+(145-15)=398+(786-121)=484+(387-342)=528+(461-376)=137+(355-92)=586+(743-646)=475+(278-88)=63+(927-160)=128+(351-147)=197+(536-472)=319+(328-321)=878+(962-780)=313+(424-84)=448+(545-283)=96+(303-91)=133+(835-523)=92+(233-43)=907+(681-272)=379+(387-76)=89+(648-62)=250+(356-266)=33+(635-567)=492+(194-17)=397+(769-599)=230+(378-19)=414+(898-47)=447+(358-286)=68+(621-228)=490+(250-196)=490+(858-108)=65+(154-13)=137+(870-804)=354+(242-204)=428+(266-239)=447+(267-166)=703+(966-775)=184+(488-244)=892+(468-154)=79+(78-12)=312+(485-134)=74+(241-101)=263+(912-134)=70+(67-40)=32+(768-267)=350-(178+76)=449-(102+292)=316-(94+214)=830-(525+244)=204-(153+18)=553-(193+91)=309-(254+45)=445-(259+118)=388-(18+175)=568-(85+446)=453-(88+40)=930-(68+657)=257-(80+105)=785-(495+138)=319-(160+155)=946-(71+55)=500-(117+234)=802-(65+407)=204-(33+123)=954-(504+13)=445-(55+10)=960-(353+80)=456-(111+203)=898-(19+120)=278-(212+49)=652-(410+179)=227-(47+78)=878-(27+708)=391-(45+70)=992-(431+17)=202-(108+27)=984-(197+391)=428-(177+137)=937-(254+600)=444-(307+112)=824-(689+83)=234-(103+108)=937-(13+848)=442-(157+224)=956-(201+209)=383-(324+17)=640-(137+498)=468-(121+37)=376-(189+160)=252-(152+74)=780-(68+56)=284-(45+149)=765-(140+355)=261-(105+129)=658-(489+31)=393-(46+304)=697-(63+417)=499-(327+51)=894-(491+170)=239-(130+25)=524-(91+236)=460-(48+52)=952-(22+155)=342-(96+40)=823-(368+324)=257-(114-95)=223-(144-138)=450-(236-178)=667-(816-252)=441-(418-233)=796-(370-362)=499-(352-245)=602-(293-80)=265-(490-396)=643-(910-753)=68-(417-385)=952-(535-142)=404-(376-279)=862-(877-780)=393-(118-94)=956-(935-279)=273-(371-298)=273-(996-981)=440-(370-102)=851-(959-194)=386-(137-47)=807-(891-601)=497-(316-194)=218-(230-224)=337-(302-129)=806-(217-127)=164-(215-58)=943-(316-305)=127-(164-129)=856-(834-559)=337-(48-43)=911-(536-274)=494-(459-145)=216-(997-834)=403-(364-197)=372-(754-551)=384-(428-295)=978-(513-475)=356-(310-259)=761-(561-403)=247-(469-230)=551-(928-694)=241-(229-91)=877-(175-153)=402-(433-213)=479-(651-445)=374-(387-347)=415-(586-519)=138-(234-110)=994-(340-204)=333-(255-216)=806-(795-330)=420-(347-27)=882-(646-579)=357-(372-271)=676-(763-295)=299-(156-26)=839-(747-687)=116-(282-257)=653-(699-138)=407+38×4=300+76×4=75+146×2=49+37×2=124+234×2=622+149×5=11+125×6=132+64×5=370+224×2=842+279×3=224+96×6=338+448×2=301+30×3=446+421×2=137+145×2=955+111×8=58+114×2=400+142×6=432+30×6=986+82×4=315+99×2=784+63×4=52+152×2=996+48×9=397+138×4=978+480×2=376+148×3=370+120×4=474+95×5=159+11×9=17×7+226=320×3+203=238×4+38=194×5+987=36×9+13=82×2+627=45×2+256=12×4+874=228×2+202=255×3+762=189×2+328=66×4+295=75×2+86=125×4+19=120×3+315=164×5+701=122×6+124=161×4+964=82×8+286=293×3+32=79×5+236=99×8+713=328×2+120=34×4+81=173×2+31=218×3+812=142×2+400=301×3+407=38×3+294=252×2+404=324-16×4=672-30×5=444-59×3=954-18×6=439-98×4=820-361×2=450-146×2=331-155×2=456-47×5=723-21×2=392-33×4=919-50×6=481-10×3=385-55×3=451-59×3=742-129×2=400-46×4=994-123×3=405-58×2=914-33×4=500-45×8=577-149×2=498-50×7=529-156×2=464-56×7=548-54×8=363-26×2=887-34×4=98-24×3=827-36×4=457-84×5=701-21×4=109-31×2=757-62×2=493-71×4=921-43×7=285-78×2=598-88×6=428-38×3=948-260×3=279-80×2=514-76×4=421-33×8=346-15×3=498-83×4=483-71×4=330-31×2=995-473×2=309-64×4=686-21×7=166-21×4=243-21×8=282-43×2=451-39×4=361-63×4=822-175×2=252-126×2=794-147×3=390-68×3=920-28×3=56×4-208=337×9-809=121×4-74=835×7-663=236×3-142=554×9-299=123×6-283=242×7-552=24×9-104=403×5-370=70×6-98=508×7-492=129×5-597=273×2-235=496×2-796=607×6-353=51×7-44=801×4-800=36×8-219=883×2-297=161×4-219=676×4-878=115×8-613=828×5-165=406×2-156=331×4-162=246×3-233=409×8-12=205×3-397=109×9-861=382×2-130=863×6-849=140×4-404=897×7-462=296×3-533=388×8-210=267×3-545=487×4-508=95×9-771=637×4-385=67×7-79=875×5-993=317×3-754=543×9-840=142×7-184=45×3-74=176×5-700=569×5-161=142×7-332=613×4-153=133×4-108=439×9-858=115×5-24=181×6-799=273×3-255=648×4-598=236×4-454=421×3-624=49×2-93=260×4-61=92×(129-121)=972×(206-200)=67×(175-167)=25×(616-611)=56×(90-87)=959×(890-883)=80×(331-324)=683×(74-70)=154×(460-456)=674×(17-12)=84×(168-160)=882×(119-115)=163×(443-438)=13×(816-809)=185×(348-344)=182×(991-986)=143×(124-118)=877×(622-616)=91×(250-242)=880×(637-633)=63×(205-199)=166×(378-373)=26×(449-444)=740×(75-68)=39×(380-374)=768×(671-667)=108×(490-482)=879×(945-940)=78×(492-489)=636×(404-399)=122×(234-229)=328×(394-389)=37×(292-283)=438×(381-378)=98×(300-297)=574×(924-921)=84×(80-76)=410×(723-717)=278×(159-156)=361×(790-784)=201×(469-465)=946×(241-238)=210×(15-12)=974×(617-611)=24×(272-268)=480×(882-879)=87×(467-458)=502×(830-823)=60×(154-149)=830×(155-147)=101×(240-232)=684×(906-898)=109×(449-446)=136×(981-973)=18×(281-275)=319×(273-270)=106×(377-372)=188×(21-16)=32×(370-366)=175×(601-598)=5/8+2/8=1/3+2/3=3/6+2/6=1/9+6/9=1/8+3/8=6/8+2/8=1/8+2/8=5/9+3/9=1/4+2/4=4/8+3/8=1/5+3/5=4/10+5/10=4/8-1/8=9/10-1/10=2/7-1/7=2/3-1/3=4/7-2/7=4/6-2/6=4/8-3/8=5/8-1/8=3/6-2/6=3/5-2/5=3/7-2/7=4/5-1/5=參考答案170+128=298941+865=180694+121=215223+174=39771+43=114540+441=98138+26=64846+368=1214135+208=34355+191=246259+98=357890+438=132858+157=215376+557=933310+118=428137+502=639315+102=417179+350=529115+284=399656+712=136865+135=200183+166=349204+223=427970+904=1874253+62=315255+482=737339+109=448618+114=73295+89=184260+608=868177+261=438885+296=118155+211=266190+608=798223+191=414124+505=629161+322=483968+895=1863272+178=450319+174=493271+189=460962+395=1357148+65=213703+247=95095+98=193365+171=536132+237=369818+708=1526251+244=49596+204=30096+389=485119+277=396225+270=495750+544=1294109+314=423430+537=96773+211=284374+140=514112+308=420772+627=1399257-75=182805-789=16249-57=192320-292=28428-242=186922-106=816465-273=192197-165=32477-301=176468-281=187352-39=313569-280=289249-41=208728-104=624432-107=325670-460=210464-308=156636-411=225321-280=41852-583=269193-154=39919-697=222428-166=262807-341=466312-45=267398-231=167174-100=74923-578=345192-51=141702-140=562398-347=51173-82=91308-260=48794-340=454113-45=68487-12=475435-142=293946-68=878338-308=30525-246=279485-158=327932-815=117164-64=100967-754=213376-106=270566-348=218189-161=28751-228=523433-403=30729-454=275372-222=150897-196=701302-107=195856-478=378203-163=40348-310=38390-332=58430-17=413493-145=348873-141=732108×3=324364×2=728162×6=972748×4=299253×5=265501×8=400821×5=105130×7=910222×4=888439×6=2634100×2=200765×4=306054×3=16264×5=320244×4=976959×9=8631105×2=21037×6=22291×5=455185×4=740143×4=572430×2=86015×8=120416×3=124890×2=180319×6=191435×2=70100×6=60046×7=322213×5=1065212×4=848256×6=153638×8=304759×4=303680×8=640526×6=315681×9=729467×6=2802234×2=46862×8=496448×2=896828×9=7452213×4=852922×6=5532144×3=43221×8=16886×8=688334×6=2004204×2=408868×8=6944245×2=490188×8=150491×2=182888×8=7104137×6=822938×3=281439×2=78494×9=4446403×2=806410×7=2870365+189+69=623852+934+180=196640+407+282=729187+706+502=1395325+316+77=718778+368+62=120811+344+26=381514+721+678=191393+386+361=840142+278+920=1340237+234+465=936913+976+170=205988+411+477=97620+523+715=125861+487+112=660155+111+685=95155+627+248=930448+541+461=1450660+43+205=908649+953+768=2370459+271+268=998492+491+93=1076109+690+99=898480+979+164=1623241+118+374=733895+773+383=2051337+124+351=812261+394+116=77132+188+410=63086+804+721=1611273+573+33=879556+284+72=91277+580+307=964581+274+88=943154+96+728=978361+584+570=1515258+135+268=661846+887+25=175874+153+152=379345+820+795=1960347+174+68=58981+325+950=1356528+123+186=837225+482+152=859114+313+298=725528+805+412=174557+426+425=90855+453+981=1489112+337+179=628442+525+841=1808351+134+405=89027+298+767=1092409+154+403=966888+434+723=2045129+109+614=852722+749+892=2363350+111+235=696837+951+642=2430100+179+610=889596+303+301=1200317+164-252=229704+162-144=722310+92-173=229151+706-76=781219+249-180=288481+632-802=311168+192-192=168384+564-930=1858+334-207=185297+946-349=894277+43-181=139866+183-58=991251+190-44=397148+376-405=119179+254-429=4943+89-512=520426+14-86=354625+598-795=428369+15-169=215973+129-797=305135+192-21=306845+604-902=547141+82-162=61307+830-853=28492+122-172=42667+204-622=24920+308-81=247388+909-338=959329+154-203=280675+767-403=103969+419-392=96332+605-114=82375+217-218=74941+603-612=93294+301-270=125547+523-752=318372+22-133=261133+506-429=210174+217-289=102420+848-105=1163348+94-209=233472+289-749=12444+46-397=93541+671-607=605331+162-483=10668+965-170=1463118+370-301=187379+792-815=356241+58-221=78498+583-173=90883+312-374=21729+845-736=838216+224-360=80481+948-720=709474+15-416=73589+630-575=64459+426-104=381766+308-231=843358+77-416=19265+937-636=566424-50-302=72746-417-316=13406-254-140=12672-486-171=15455-73-212=170623-413-19=191365-83-69=213781-234-372=175368-89-224=55758-420-44=294382-30-288=64943-173-641=129482-285-67=130874-372-270=232413-176-127=110748-265-201=282363-142-47=174762-200-528=34462-47-391=24894-21-515=358259-68-57=134603-131-293=179374-22-306=46902-140-42=720497-185-183=129628-13-309=306305-13-225=67720-56-76=588201-71-94=36946-112-240=594456-111-138=207516-32-471=13429-58-287=84714-503-163=48449-191-14=244874-33-532=309446-272-156=18283-77-12=194327-130-55=142922-313-592=17366-163-85=118579-215-128=236484-18-96=370891-558-132=201422-17-215=190704-32-523=149490-415-24=51927-260-160=507407-128-127=152886-49-458=379473-250-19=204734-98-314=322251-148-50=53740-217-96=427220-178-21=21941-601-51=289432-301-89=42990-102-216=672389-339-16=34994-224-334=436151-40+323=434952-599+728=1081128-29+16=115966-210+733=1489274-173+43=144914-859+342=397243-193+332=382871-157+317=1031347-339+329=337762-492+533=803382-298+152=236668-616+393=445103-90+227=240752-226+57=583139-130+202=211631-385+897=1143203-38+152=317780-337+308=751324-223+311=412740-101+656=1295432-312+13=133991-937+933=987143-78+188=253269-52+536=753212-155+128=185708-103+977=1582239-204+214=249348-193+792=947259-112+94=241219-35+497=681351-218+184=317785-751+889=923181-128+406=459372-157+108=323408-180+75=303722-541+763=944349-135+182=396601-149+969=1421395-155+62=302752-115+194=831373-41+57=389282-274+630=63895-95+464=464891-548+399=742323-69+133=387527-10+114=631355-304+327=378638-541+522=619184-142+71=113669-299+809=1179236-138+152=250819-711+188=296163-15+124=272791-395+621=1017371-366+403=408815-92+920=1643178-175+414=417665-479+163=349374-240+68=202680-54+950=157615+(364-53)=326518+(950-27)=1441480+(31-20)=491628+(868-456)=104027+(455-126)=356998+(782-618)=1162302+(267-118)=451462+(238-187)=513489+(269-169)=589111+(580-293)=398411+(490-57)=844397+(697-402)=692331+(425-335)=421517+(860-314)=1063268+(493-72)=689594+(343-255)=68284+(145-15)=214398+(786-121)=1063484+(387-342)=529528+(461-376)=613137+(355-92)=400586+(743-646)=683475+(278-88)=66563+(927-160)=830128+(351-147)=332197+(536-472)=261319+(328-321)=326878+(962-780)=1060313+(424-84)=653448+(545-283)=71096+(303-91)=308133+(835-523)=44592+(233-43)=282907+(681-272)=1316379+(387-76)=69089+(648-62)=675250+(356-266)=34033+(635-567)=101492+(194-17)=669397+(769-599)=567230+(378-19)=589414+(898-47)=1265447+(358-286)=51968+(621-228)=461490+(250-196)=544490+(858-108)=124065+(154-13)=206137+(870-804)=203354+(242-204)=392428+(266-239)=455447+(267-166)=548703+(966-775)=894184+(488-244)=428892+(468-154)=120679+(78-12)=145312+(485-134)=66374+(241-101)=214263+(912-134)=104170+(67-40)=9732+(768-267)=533350-(178+76)=96449-(102+292)=55316-(94+214)=8830-(525+244)=61204-(153+18)=33553-(193+91)=269309-(254+45)=10445-(259+118)=68388-(18+175)=195568-(85+446)=37453-(88+40)=325930-(68+657)=205257-(80+105)=72785-(495+138)=152319-(160+155)=4946-(71+55)=820500-(117+234)=149802-(65+407)=330204-(33+123)=48954-(504+13)=437445-(55+10)=380960-(353+80)=527456-(111+203)=142898-(19+120)=759278-(212+49)=17652-(410+179)=63227-(47+78)=102878-(27+708)=143391-(45+70)=276992-(431+17)=544202-(108+27)=67984-(197+391)=396428-(177+137)=114937-(254+600)=83444-(307+112)=25824-(689+83)=52234-(103+108)=23937-(13+848)=76442-(157+224)=61956-(201+209)=546383-(324+17)=42640-(137+498)=5468-(121+37)=310376-(189+160)=27252-(152+74)=26780-(68+56)=656284-(45+149)=90765-(140+355)=270261-(105+129)=27658-(489+31)=138393-(46+304)=43697-(63+417)=217499-(327+51)=121894-(491+170)=233239-(130+25)=84524-(91+236)=197460-(48+52)=360952-(22+155)=775342-(96+40)=206823-(368+324)=131257-(114-95)=238223-(144-138)=217450-(236-178)=392667-(816-252)=103441-(418-233)=256796-(370-362)=788499-(352-245)=392602-(293-80)=389265-(490-396)=171643-(910-753)=48668-(417-385)=36952-(535-142)=559404-(376-279)=307862-(877-780)=765393-(118-94)=369956-(935-279)=300273-(371-298)=200273-(996-981)=258440-(370-102)=172851-(959-194)=86386-(137-47)=296807-(891-601)=517497-(316-194)=375218-(230-224)=212337-(302-129)=164806-(217-127)=716164-(215-58)=7943-(316-305)=932127-(164-129)=92856-(834-559)=581337-(48-43)=332911-(536-274)=649494-(459-145)=180216-(997-834)=53403-(364-197)=236372-(754-551)=169384-(428-295)=251978-(513-475)=940356-(310-259)=305761-(561-403)=603247-(469-230)=8551-(928-694)=317241-(229-91)=103877-(175-153)=855402-(433-213)=182479-(651-445)=273374-(387-347)=334415-(586-519)=348138-(234-110)=14994-(340-204)=858333-(255-216)=294806-(795-330)=341420-(347-27)=100882-(646-579)=815357-(372-271)=256676-(763-295)=208299-(156-26)=169839-(747-687)=779116-(282-257)=91653-(699-138)=92407+38×4=559300+76×4=60475+146×2=36749+37×2=123124+234×2=592622+149×5=136711+125×6=761132+64×5=452370+224×2=818842+279×3=1679224+96×6=800338+448×2=1234301+30×3=391446+421×2=1288137+145×2=427955+111×8=184358+114×2=286400+142×6=1252432+30×6=612986+82×4=1314315+99×2=513784+63×4=103652+152×2=356996+48×9=1428397+138×4=949978+480×2=1938376+148×3=820370+120×4=850474+95×5=949159+11×9=25817×7+226=345320×3+203=1163238×4+38=990194×5+987=195736×9+13=33782×2+627=79145×2+256=34612×4+874=922228×2+202=658255×3+762=1527189×2+328=70666×4+295=55975×2+86=236125×4+19=519120×3+315=675164×5+701=1521122×6+124=856161×4+964=160882×8+286=942293×3+32=91179×5+236=63199×8+713=1505328×2+120=77634×4+81=217173×2+31=377218×3+812=1466142×2+400=684301×3+407=131038×3+294=408252×2+404=908324-16×4=260672-30×5=522444-59×3=267954-18×6=846439-98×4=47820-361×2=98450-146×2=158331-155×2=21456-47×5=221723-21×2=681392-33×4=260919-50×6=619481-10×3=451385-55×3=220451-59×3=274742-129×2=484400-46×4=216994-123×3=625405-58×2=289914-33×4=782500-45×8=140577-149×2=279498-50×7=148529-156×2=217464-56×7=72548-54×8=116363-26×2=311887-34×4=75198-24×3=26827-36×4=683457-84×5=37701-21×4=617109-31×2=47757-62×2=633493-71×4=209921-43×7=620285-78×2=129598-88×6=70428-38×3=314948-260×3=168279-80×2=119514-76×4=210421-33×8=157346-15×3=301498-83×4=166483-71×4=199330-31×2=268995-473×2=49309-64×4=53686-21×7=539166-21×4=82243-21×8=75282-43×2=196451-39×4=295361-63×4=109822-175×2=472252-12