三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案

三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案280+105=817+933=173+94=595+119=232+182=75+151=196+293=663+141=33+134=435+335=139+182=781+308=265+62=655+710=95+82=456+96=245+203=843+557=288+127=246+305=229+270=110+248=246+197=916+565=182+283=287+259=274+76=394+348=375+95=470+518=76+185=386+591=183+89=165+550=71+385=327+648=262+84=932+502=297+75=37+218=247+103=543+493=221+53=196+589=52+172=370+105=80+280=836+314=236+57=273+573=264+133=138+443=308+54=753+567=108+207=42+189=251+185=219+382=106+30=355+628=433-412=296-148=475-13=908-723=354-209=350-194=465-11=300-241=497-140=797-350=402-25=620-600=462-432=507-314=381-220=709-369=452-209=962-515=424-248=989-680=111-45=70-14=428-124=820-674=152-141=870-645=458-156=766-255=355-243=625-186=463-192=331-17=498-376=607-364=417-187=935-41=440-70=916-247=203-137=361-337=498-381=979-869=377-178=468-351=299-190=750-95=322-240=576-196=494-37=920-421=299-63=756-622=229-55=796-573=440-100=825-373=421-186=875-246=263-15=572-310=244×4=221×7=123×3=95×6=61×2=381×6=403×2=727×5=28×5=260×6=12×4=629×8=239×2=729×9=67×5=25×9=27×3=223×3=20×9=444×3=64×8=681×7=159×4=322×6=82×8=393×2=88×9=84×9=72×4=907×5=62×7=318×2=50×9=443×7=322×3=197×4=204×4=775×6=269×3=359×9=210×4=793×7=35×2=855×3=15×8=252×9=29×2=943×2=166×5=803×5=180×5=550×4=63×3=298×8=36×8=256×4=451×2=203×8=25×6=882×8=183+409+51=978+830+893=314+382+55=573+17+40=204+423+158=894+367+587=10+335+282=928+528+625=499+309+182=569+618+301=11+765+142=445+458+862=173+308+355=965+25+409=172+287+99=479+532+579=41+46+539=715+550+104=645+156+17=826+140+934=121+175+397=670+314+226=304+372+223=694+152+655=327+203+107=300+376+672=145+456+312=684+970+181=337+212+450=884+412+108=23+628+250=335+15+827=115+410+137=155+144+883=18+539+72=418+930+581=524+290+135=543+45+552=102+146+534=518+379+850=53+371+400=13+358+469=328+112+45=964+347+999=603+204+78=795+296+104=577+61+40=198+294+496=223+515+154=277+732+892=177+143+43=681+723+426=203+312+35=623+703+422=463+155+251=43+447+466=314+46+617=305+387+206=388+335+98=125+392+559=76+421-182=753+580-485=113+307-209=611+588-58=141+277-380=843+63-382=347+24-174=907+66-745=34+207-52=153+878-105=146+219-79=770+517-594=100+184-141=370+10-290=61+73-79=786+541-101=384+106-264=675+393-530=58+222-21=389+958-481=212+284-33=149+450-293=116+253-348=780+853-635=177+270-60=829+47-45=68+353-243=137+966-244=273+175-73=312+946-200=350+71-92=498+15-213=358+77-246=906+59-606=193+165-177=811+933-23=27+183-21=953+399-885=407+68-320=711+895-875=301+109-209=249+720-802=301+77-189=509+151-92=392+55-389=553+313-194=181+182-222=990+604-854=58+407-453=916+21-563=140+323-96=678+633-444=113+30-50=547+271-196=257+17-131=896+917-483=298+146-55=193+774-630=117+348-257=197+328-193=383-11-316=800-489-249=454-93-37=935-234-390=460-56-32=670-255-30=219-79-75=981-273-317=409-102-44=770-40-643=491-357-126=598-417-113=446-64-112=890-466-139=336-161-94=677-389-123=405-140-163=644-34-148=296-182-113=756-298-454=338-143-143=879-194-492=263-12-106=846-540-175=450-78-239=533-94-169=291-25-31=721-193-437=213-79-77=712-550-114=233-82-19=580-60-203=346-56-21=975-398-502=487-69-79=802-273-138=320-169-84=963-147-675=443-196-165=431-20-235=496-252-195=534-161-125=217-14-161=969-545-169=467-31-78=912-384-236=354-12-237=670-55-193=392-131-212=627-18-312=355-95-74=805-286-428=420-302-104=937-241-531=490-130-76=694-117-516=421-206-125=904-310-517=269-48-122=766-334-162=316-155+13=491-206+785=122-67+215=761-440+282=483-425+417=908-461+896=410-372+10=165-25+838=411-255+98=404-237+984=376-77+74=699-521+787=266-72+288=989-925+420=373-228+67=965-745+833=309-295+82=395-314+685=322-284+47=936-877+852=182-180+332=230-162+59=341-281+322=773-238+773=398-189+176=954-512+615=330-77+210=426-36+871=368-211+243=980-962+414=407-231+302=617-267+172=490-415+373=281-201+884=494-285+67=822-11+63=493-353+162=830-629+243=491-409+287=862-247+563=396-343+119=792-340+525=354-65+10=920-892+43=426-204+110=949-839+236=70-52+443=976-355+253=445-327+249=934-245+75=115-48+74=930-685+360=489-316+30=645-344+948=234-158+353=264-221+247=259-245+377=740-277+552=317-296+429=765-185+694=15+(309-274)=667+(731-601)=349+(387-164)=867+(751-150)=347+(477-228)=48+(890-821)=254+(197-179)=551+(792-449)=142+(278-76)=578+(583-34)=65+(466-105)=878+(701-14)=344+(153-147)=555+(858-301)=488+(484-152)=908+(906-812)=469+(185-89)=840+(849-433)=220+(481-347)=503+(247-152)=465+(437-27)=794+(601-594)=406+(312-30)=621+(413-116)=153+(499-245)=298+(859-404)=161+(287-39)=643+(892-214)=236+(269-245)=575+(328-312)=357+(455-317)=98+(906-628)=411+(314-198)=833+(482-71)=379+(466-123)=280+(587-577)=53+(356-102)=19+(762-135)=130+(135-50)=569+(540-451)=368+(489-380)=776+(977-851)=465+(373-282)=746+(507-195)=250+(473-23)=683+(733-609)=95+(384-83)=657+(844-16)=84+(389-51)=631+(171-130)=115+(133-50)=901+(613-217)=376+(125-34)=537+(770-769)=419+(461-162)=903+(983-293)=88+(138-82)=742+(992-954)=183+(411-406)=601+(936-96)=350-(189+134)=811-(545+35)=471-(39+211)=389-(242+34)=483-(52+408)=954-(144+120)=425-(181+170)=874-(208+93)=454-(181+135)=635-(34+244)=436-(70+135)=240-(152+46)=472-(27+321)=609-(176+164)=323-(103+117)=603-(340+236)=483-(244+53)=790-(333+177)=270-(184+84)=690-(86+470)=294-(213+76)=611-(99+349)=427-(226+61)=384-(36+337)=298-(145+56)=944-(81+130)=411-(48+312)=997-(202+75)=408-(112+254)=805-(75+471)=374-(97+32)=305-(90+93)=477-(62+312)=748-(247+122)=376-(300+18)=779-(95+414)=339-(210+116)=756-(57+370)=487-(34+450)=443-(59+354)=408-(224+102)=974-(330+340)=408-(294+107)=857-(127+619)=372-(207+143)=771-(371+396)=392-(55+303)=589-(155+10)=341-(119+213)=925-(11+588)=420-(22+206)=460-(48+225)=468-(163+78)=620-(301+198)=224-(59+155)=769-(107+636)=168-(88+41)=534-(70+52)=391-(164+12)=988-(552+188)=408-(470-79)=931-(699-173)=432-(411-390)=947-(926-778)=205-(458-284)=376-(800-579)=134-(408-313)=893-(445-134)=372-(349-155)=518-(402-296)=215-(306-264)=115-(483-397)=247-(366-328)=845-(926-732)=472-(499-36)=823-(971-450)=284-(161-83)=605-(990-454)=180-(262-260)=642-(621-44)=230-(150-67)=993-(681-583)=397-(406-245)=273-(792-532)=494-(211-188)=764-(748-575)=456-(142-111)=959-(990-116)=121-(174-81)=411-(758-364)=443-(181-75)=868-(340-126)=338-(426-204)=626-(777-664)=462-(493-376)=706-(672-421)=360-(299-86)=737-(684-410)=139-(468-393)=937-(524-456)=381-(366-284)=564-(423-358)=398-(421-183)=217-(232-160)=378-(268-175)=964-(632-40)=482-(201-93)=290-(832-824)=157-(196-40)=544-(655-150)=187-(490-366)=953-(956-788)=254-(431-255)=969-(707-475)=278-(75-28)=420-(818-435)=471-(245-184)=935-(410-162)=463-(326-229)=698-(912-642)=138+30×3=113+165×4=48+447×2=193+97×5=138+99×8=55+114×6=302+160×4=159+140×2=196+106×6=310+107×5=387+22×2=373+36×5=258+59×7=214+21×9=260+117×3=211+86×3=351+32×9=643+34×6=62+172×5=766+91×6=65+228×4=749+148×4=275+253×2=417+152×5=415+79×3=52+115×2=190+22×2=352+188×5=339+67×7=238+96×6=61×5+140=39×4+203=101×5+14=116×4+968=160×3+389=39×3+429=42×5+487=57×6+78=176×2+309=50×6+185=38×5+273=31×8+377=50×3+128=233×2+518=192×4+91=301×2+502=81×7+361=242×4+528=45×4+127=289×2+740=124×6+27=94×3+414=21×7+48=112×2+872=21×2+378=117×4+810=61×4+362=151×4+96=228×2+297=132×4+245=132-37×3=772-46×5=391-81×3=691-61×5=315-93×2=939-31×3=358-100×2=747-192×2=453-138×2=862-93×5=352-57×3=680-134×4=398-42×2=634-40×8=376-24×2=595-35×7=421-74×5=956-450×2=408-88×3=648-254×2=406-126×3=760-58×6=172-28×5=806-119×5=355-20×6=778-16×4=346-47×4=980-155×6=269-66×3=720-133×3=435-86×3=359-56×6=424-38×7=839-107×3=472-89×4=745-93×5=250-72×2=750-19×8=474-103×2=493-81×2=114-10×9=875-65×4=325-26×7=361-73×3=100-23×3=694-59×8=477-63×3=385-17×9=445-26×8=168-11×2=176-13×5=258-69×2=485-55×4=648-137×3=277-18×5=874-133×3=445-31×3=364-58×6=425-14×8=682-32×3=269×3-307=733×2-251=73×4-267=94×3-166=331×3-427=777×8-148=334×2-431=319×3-724=125×8-914=439×5-628=59×9-511=541×2-550=147×4-118=545×9-514=222×3-639=491×9-477=80×8-234=436×3-365=93×8-672=848×2-980=346×2-421=586×8-772=100×6-156=593×6-625=303×2-56=296×8-136=57×7-53=658×3-972=237×2-26=368×3-717=355×2-407=477×9-792=139×4-53=884×6-876=49×8-191=255×9-699=242×3-303=464×5-94=61×6-159=747×4-296=102×9-428=516×4-939=246×2-274=516×6-572=266×3-348=210×7-764=32×5-93=530×4-696=292×3-849=555×3-74=142×7-374=421×5-759=71×2-38=697×9-284=141×7-321=833×3-167=74×9-510=696×3-454=217×4-693=817×4-638=238×(430-427)=548×(106-98)=286×(269-266)=781×(831-822)=220×(463-460)=58×(192-187)=43×(96-91)=880×(278-272)=127×(357-354)=214×(598-595)=86×(197-190)=864×(84-79)=123×(270-267)=599×(265-257)=243×(60-56)=737×(937-932)=196×(203-200)=619×(508-504)=18×(56-51)=388×(639-633)=51×(187-183)=931×(427-424)=75×(407-404)=646×(802-794)=323×(263-260)=634×(285-279)=327×(439-436)=711×(634-628)=56×(22-14)=640×(787-779)=220×(49-45)=31×(601-596)=181×(293-290)=716×(816-811)=84×(262-256)=835×(954-949)=67×(67-64)=747×(468-463)=106×(270-264)=84×(274-268)=188×(344-340)=547×(680-671)=184×(36-32)=316×(282-278)=84×(440-436)=995×(113-106)=154×(112-106)=146×(120-114)=150×(17-11)=147×(610-604)=123×(356-348)=183×(977-972)=76×(164-155)=236×(796-788)=92×(297-288)=701×(679-670)=132×(64-58)=225×(44-38)=116×(330-322)=711×(98-89)=4/7+2/7=1/4+3/4=5/8+2/8=4/6+2/6=1/7+3/7=7/9+2/9=1/8+5/8=2/7+5/7=2/8+5/8=1/10+2/10=1/8+2/8=1/6+3/6=3/6-2/6=2/9-1/9=3/7-1/7=3/5-2/5=2/6-1/6=5/7-2/7=4/6-1/6=8/10-2/10=2/5-1/5=4/5-1/5=4/8-1/8=7/8-1/8=參考答案280+105=385817+933=1750173+94=267595+119=714232+182=41475+151=226196+293=489663+141=80433+134=167435+335=770139+182=321781+308=1089265+62=327655+710=136595+82=177456+96=552245+203=448843+557=1400288+127=415246+305=551229+270=499110+248=358246+197=443916+565=1481182+283=465287+259=546274+76=350394+348=742375+95=470470+518=98876+185=261386+591=977183+89=272165+550=71571+385=456327+648=975262+84=346932+502=1434297+75=37237+218=255247+103=350543+493=1036221+53=274196+589=78552+172=224370+105=47580+280=360836+314=1150236+57=293273+573=846264+133=397138+443=581308+54=362753+567=1320108+207=31542+189=231251+185=436219+382=601106+30=136355+628=983433-412=21296-148=148475-13=462908-723=185354-209=145350-194=156465-11=454300-241=59497-140=357797-350=447402-25=377620-600=20462-432=30507-314=193381-220=161709-369=340452-209=243962-515=447424-248=176989-680=309111-45=6670-14=56428-124=304820-674=146152-141=11870-645=225458-156=302766-255=511355-243=112625-186=439463-192=271331-17=314498-376=122607-364=243417-187=230935-41=894440-70=370916-247=669203-137=66361-337=24498-381=117979-869=110377-178=199468-351=117299-190=109750-95=655322-240=82576-196=380494-37=457920-421=499299-63=236756-622=134229-55=174796-573=223440-100=340825-373=452421-186=235875-246=629263-15=248572-310=262244×4=976221×7=1547123×3=36995×6=57061×2=122381×6=2286403×2=806727×5=363528×5=140260×6=156012×4=48629×8=5032239×2=478729×9=656167×5=33525×9=22527×3=81223×3=66920×9=180444×3=133264×8=512681×7=4767159×4=636322×6=193282×8=656393×2=78688×9=79284×9=75672×4=288907×5=453562×7=434318×2=63650×9=450443×7=3101322×3=966197×4=788204×4=816775×6=4650269×3=807359×9=3231210×4=840793×7=555135×2=70855×3=256515×8=120252×9=226829×2=58943×2=1886166×5=830803×5=4015180×5=900550×4=220063×3=189298×8=238436×8=288256×4=1024451×2=902203×8=162425×6=150882×8=7056183+409+51=643978+830+893=2701314+382+55=751573+17+40=630204+423+158=785894+367+587=184810+335+282=627928+528+625=2081499+309+182=990569+618+301=148811+765+142=918445+458+862=1765173+308+355=836965+25+409=1399172+287+99=558479+532+579=159041+46+539=626715+550+104=1369645+156+17=818826+140+934=1900121+175+397=693670+314+226=1210304+372+223=899694+152+655=1501327+203+107=637300+376+672=1348145+456+312=913684+970+181=1835337+212+450=999884+412+108=140423+628+250=901335+15+827=1177115+410+137=662155+144+883=118218+539+72=629418+930+581=1929524+290+135=949543+45+552=1140102+146+534=782518+379+850=174753+371+400=82413+358+469=840328+112+45=485964+347+999=2310603+204+78=885795+296+104=1195577+61+40=678198+294+496=988223+515+154=892277+732+892=1901177+143+43=363681+723+426=1830203+312+35=550623+703+422=1748463+155+251=86943+447+466=956314+46+617=977305+387+206=898388+335+98=821125+392+559=107676+421-182=315753+580-485=848113+307-209=211611+588-58=1141141+277-380=38843+63-382=524347+24-174=197907+66-745=22834+207-52=189153+878-105=926146+219-79=286770+517-594=693100+184-141=143370+10-290=9061+73-79=55786+541-101=1226384+106-264=226675+393-530=53858+222-21=259389+958-481=866212+284-33=463149+450-293=306116+253-348=21780+853-635=998177+270-60=387829+47-45=83168+353-243=178137+966-244=859273+175-73=375312+946-200=1058350+71-92=329498+15-213=300358+77-246=189906+59-606=359193+165-177=181811+933-23=172127+183-21=189953+399-885=467407+68-320=155711+895-875=731301+109-209=201249+720-802=167301+77-189=189509+151-92=568392+55-389=58553+313-194=672181+182-222=141990+604-854=74058+407-453=12916+21-563=374140+323-96=367678+633-444=867113+30-50=93547+271-196=622257+17-131=143896+917-483=1330298+146-55=389193+774-630=337117+348-257=208197+328-193=332383-11-316=56800-489-249=62454-93-37=324935-234-390=311460-56-32=372670-255-30=385219-79-75=65981-273-317=391409-102-44=263770-40-643=87491-357-126=8598-417-113=68446-64-112=270890-466-139=285336-161-94=81677-389-123=165405-140-163=102644-34-148=462296-182-113=1756-298-454=4338-143-143=52879-194-492=193263-12-106=145846-540-175=131450-78-239=133533-94-169=270291-25-31=235721-193-437=91213-79-77=57712-550-114=48233-82-19=132580-60-203=317346-56-21=269975-398-502=75487-69-79=339802-273-138=391320-169-84=67963-147-675=141443-196-165=82431-20-235=176496-252-195=49534-161-125=248217-14-161=42969-545-169=255467-31-78=358912-384-236=292354-12-237=105670-55-193=422392-131-212=49627-18-312=297355-95-74=186805-286-428=91420-302-104=14937-241-531=165490-130-76=284694-117-516=61421-206-125=90904-310-517=77269-48-122=99766-334-162=270316-155+13=174491-206+785=1070122-67+215=270761-440+282=603483-425+417=475908-461+896=1343410-372+10=48165-25+838=978411-255+98=254404-237+984=1151376-77+74=373699-521+787=965266-72+288=482989-925+420=484373-228+67=212965-745+833=1053309-295+82=96395-314+685=766322-284+47=85936-877+852=911182-180+332=334230-162+59=127341-281+322=382773-238+773=1308398-189+176=385954-512+615=1057330-77+210=463426-36+871=1261368-211+243=400980-962+414=432407-231+302=478617-267+172=522490-415+373=448281-201+884=964494-285+67=276822-11+63=874493-353+162=302830-629+243=444491-409+287=369862-247+563=1178396-343+119=172792-340+525=977354-65+10=299920-892+43=71426-204+110=332949-839+236=34670-52+443=461976-355+253=874445-327+249=367934-245+75=764115-48+74=141930-685+360=605489-316+30=203645-344+948=1249234-158+353=429264-221+247=290259-245+377=391740-277+552=1015317-296+429=450765-185+694=127415+(309-274)=50667+(731-601)=797349+(387-164)=572867+(751-150)=1468347+(477-228)=59648+(890-821)=117254+(197-179)=272551+(792-449)=894142+(278-76)=344578+(583-34)=112765+(466-105)=426878+(701-14)=1565344+(153-147)=350555+(858-301)=1112488+(484-152)=820908+(906-812)=1002469+(185-89)=565840+(849-433)=1256220+(481-347)=354503+(247-152)=598465+(437-27)=875794+(601-594)=801406+(312-30)=688621+(413-116)=918153+(499-245)=407298+(859-404)=753161+(287-39)=409643+(892-214)=1321236+(269-245)=260575+(328-312)=591357+(455-317)=49598+(906-628)=376411+(314-198)=527833+(482-71)=1244379+(466-123)=722280+(587-577)=29053+(356-102)=30719+(762-135)=646130+(135-50)=215569+(540-451)=658368+(489-380)=477776+(977-851)=902465+(373-282)=556746+(507-195)=1058250+(473-23)=700683+(733-609)=80795+(384-83)=396657+(844-16)=148584+(389-51)=422631+(171-130)=672115+(133-50)=198901+(613-217)=1297376+(125-34)=467537+(770-769)=538419+(461-162)=718903+(983-293)=159388+(138-82)=144742+(992-954)=780183+(411-406)=188601+(936-96)=1441350-(189+134)=27811-(545+35)=231471-(39+211)=221389-(242+34)=113483-(52+408)=23954-(144+120)=690425-(181+170)=74874-(208+93)=573454-(181+135)=138635-(34+244)=357436-(70+135)=231240-(152+46)=42472-(27+321)=124609-(176+164)=269323-(103+117)=103603-(340+236)=27483-(244+53)=186790-(333+177)=280270-(184+84)=2690-(86+470)=134294-(213+76)=5611-(99+349)=163427-(226+61)=140384-(36+337)=11298-(145+56)=97944-(81+130)=733411-(48+312)=51997-(202+75)=720408-(112+254)=42805-(75+471)=259374-(97+32)=245305-(90+93)=122477-(62+312)=103748-(247+122)=379376-(300+18)=58779-(95+414)=270339-(210+116)=13756-(57+370)=329487-(34+450)=3443-(59+354)=30408-(224+102)=82974-(330+340)=304408-(294+107)=7857-(127+619)=111372-(207+143)=22771-(371+396)=4392-(55+303)=34589-(155+10)=424341-(119+213)=9925-(11+588)=326420-(22+206)=192460-(48+225)=187468-(163+78)=227620-(301+198)=121224-(59+155)=10769-(107+636)=26168-(88+41)=39534-(70+52)=412391-(164+12)=215988-(552+188)=248408-(470-79)=17931-(699-173)=405432-(411-390)=411947-(926-778)=799205-(458-284)=31376-(800-579)=155134-(408-313)=39893-(445-134)=582372-(349-155)=178518-(402-296)=412215-(306-264)=173115-(483-397)=29247-(366-328)=209845-(926-732)=651472-(499-36)=9823-(971-450)=302284-(161-83)=206605-(990-454)=69180-(262-260)=178642-(621-44)=65230-(150-67)=147993-(681-583)=895397-(406-245)=236273-(792-532)=13494-(211-188)=471764-(748-575)=591456-(142-111)=425959-(990-116)=85121-(174-81)=28411-(758-364)=17443-(181-75)=337868-(340-126)=654338-(426-204)=116626-(777-664)=513462-(493-376)=345706-(672-421)=455360-(299-86)=147737-(684-410)=463139-(468-393)=64937-(524-456)=869381-(366-284)=299564-(423-358)=499398-(421-183)=160217-(232-160)=145378-(268-175)=285964-(632-40)=372482-(201-93)=374290-(832-824)=282157-(196-40)=1544-(655-150)=39187-(490-366)=63953-(956-788)=785254-(431-255)=78969-(707-475)=737278-(75-28)=231420-(818-435)=37471-(245-184)=410935-(410-162)=687463-(326-229)=366698-(912-642)=428138+30×3=228113+165×4=77348+447×2=942193+97×5=678138+99×8=93055+114×6=739302+160×4=942159+140×2=439196+106×6=832310+107×5=845387+22×2=431373+36×5=553258+59×7=671214+21×9=403260+117×3=611211+86×3=469351+32×9=639643+34×6=84762+172×5=922766+91×6=131265+228×4=977749+148×4=1341275+253×2=781417+152×5=1177415+79×3=65252+115×2=282190+22×2=234352+188×5=1292339+67×7=808238+96×6=81461×5+140=44539×4+203=359101×5+14=519116×4+968=1432160×3+389=86939×3+429=54642×5+487=69757×6+78=420176×2+309=66150×6+185=48538×5+273=46331×8+377=62550×3+128=278233×2+518=984192×4+91=859301×2+502=110481×7+361=928242×4+528=149645×4+127=307289×2+740=1318124×6+27=77194×3+414=69621×7+48=195112×2+872=109621×2+378=420117×4+810=127861×4+362=606151×4+96=700228×2+297=753132×4+245=773132-37×3=21772-46×5=542391-81×3=148691-61×5=386315-93×2=129939-31×3=846358-100×2=158747-192×2=363453-138×2=177862-93×5=397352-57×3=181680-134×4=144398-42×2=314634-40×8=314376-24×2=328595-35×7=350421-74×5=51956-450×2=56408-88×3=144648-254×2=140406-126×3=28760-58×6=412172-28×5=32806-119×5=211355-20×6=235778-16×4=714346-47×4=158980-155×6=50269-66×3=71720-133×3=321435-86×3=177359-56×6=23424-38×7=158839-107×3=518472-89×4=116745-93×5=280250-72×2=106750-19×8=598474-103×2=268493-81×2=331114-10×9=24875-65×4=615325-26×7=143361-73×3=142100-23×3=31694-59×8=222477-63×3=288385-17×9=232445-26×8=237168-11×2=146176-13×5=111258-69×2=120485-55×4=265648-137×3=237277-18×5=187874-133×3=4