三年級數學(上)計算題專項練習附答案261+185=720+956=194+171=99+117=102+379=201+746=286+67=839+471=119+71=14+37=105+228=704+697=298+137=227+320=132+76=124+664=195+151=507+501=102+180=741+656=130+93=113+182=173+230=616+163=195+287=427+523=62+209=203+169=215+205=687+285=373+113=724+587=18+75=237+413=149+243=419+480=138+188=42+170=252+204=123+588=408+78=539+738=99+22=704+194=110+255=116+640=80+45=168+352=62+140=185+722=61+169=680+118=199+186=224+953=175+286=142+411=294+65=262+128=191+98=575+306=458-359=414-175=311-277=832-181=217-197=291-161=62-23=207-81=266-74=702-483=342-66=729-672=426-354=658-82=419-409=903-627=157-86=775-136=352-74=951-775=217-29=300-205=322-32=552-265=448-371=220-165=217-48=747-406=475-171=539-277=288-237=858-370=271-52=942-133=500-147=790-616=165-76=943-731=341-311=839-155=245-204=27-11=381-230=633-524=490-201=684-171=344-309=779-125=300-28=538-175=70-59=869-117=310-128=463-117=419-334=116-70=245-78=713-79=217-159=971-771=76×2=113×4=20×6=660×5=29×8=864×3=120×8=261×7=137×2=838×3=132×6=694×5=60×4=12×6=78×2=529×5=49×8=89×9=117×6=941×6=216×2=731×8=316×3=485×7=218×3=391×9=494×2=237×3=158×4=296×2=331×3=527×6=102×2=672×8=382×2=461×9=18×3=554×3=144×5=718×8=197×3=355×3=28×8=326×9=120×6=265×2=53×8=552×3=328×2=375×9=43×7=561×5=104×3=770×8=89×4=105×2=74×2=130×9=65×2=164×2=110+223+126=899+669+617=522+202+76=405+188+514=13+96+114=875+623+116=197+24+381=647+528+985=302+192+101=957+324+608=491+392+60=53+478+139=153+70+453=106+419+723=56+407+235=141+356+731=39+673+233=281+389+385=316+269+229=874+844+11=106+335+48=419+592+647=62+679+200=943+410+218=328+78+39=938+847+321=660+270+60=349+164+623=174+637+99=560+641+413=162+337+405=366+349+497=137+194+114=567+659+663=129+296+265=149+253+555=578+53+212=909+203+775=228+18+465=710+148+236=294+86+176=266+436+199=414+159+172=982+990+405=151+256+25=456+760+582=24+409+493=643+122+713=502+195+88=481+926+396=174+15+599=713+23+582=80+215+367=768+558+327=164+119+457=118+520+708=80+184+45=249+804+633=212+401+147=980+690+184=250+250-92=711+78-404=177+256-114=410+90-336=134+313-113=188+783-693=388+33-376=340+75-161=56+52-69=960+366-837=146+283-151=119+835-256=261+68-291=750+575-129=128+285-219=551+704-149=264+149-157=786+845-263=441+33-259=903+814-441=312+186-417=666+315-55=439+18-400=70+483-251=145+108-73=51+708-258=334+65-83=147+931-200=327+70-175=425+201-147=249+25-270=962+698-727=199+276-141=224+906-324=114+314-212=351+252-178=292+118-374=451+186-415=391+101-218=903+694-737=374+64-207=413+799-964=86+218-217=620+804-297=71+110-41=525+118-323=215+155-326=866+701-101=169+117-215=873+167-265=233+183-45=283+884-548=22+331-298=400+768-264=234+56-102=280+392-360=147+233-377=886+558-520=272+35-182=732+757-831=359-141-79=977-871-48=475-231-219=749-27-83=441-33-237=840-119-658=495-54-384=966-77-447=305-146-75=615-376-66=410-209-24=797-396-280=391-11-315=371-43-299=354-106-68=962-293-389=481-81-245=483-212-13=431-41-348=957-28-284=366-147-52=740-623-59=451-130-15=711-356-136=497-160-207=915-393-168=473-179-205=984-747-172=449-94-17=971-135-463=431-155-97=847-246-31=452-32-126=488-185-34=483-231-143=929-141-333=333-39-54=767-295-402=421-244-12=964-397-508=498-15-218=936-619-22=443-171-257=309-124-122=377-43-53=771-530-41=314-71-64=936-135-317=463-50-38=866-188-13=325-44-31=412-151-173=451-195-89=659-210-47=254-28-98=722-379-123=361-152-95=568-421-86=315-189-58=578-89-333=357-327+399=456-190+849=490-264+181=824-36+50=344-146+40=994-359+879=358-11+61=648-544+429=337-324+236=167-80+714=479-281+172=871-37+514=273-38+171=988-313+510=336-296+142=190-122+853=204-201+313=232-68+214=147-79+181=934-114+959=363-286+14=670-289+453=166-151+407=643-140+215=400-289+277=710-598+812=323-243+323=704-568+118=258-44+143=361-309+724=379-213+239=844-577+161=217-216+465=841-669+11=415-164+42=959-313+54=499-233+144=602-360+725=148-100+334=782-29+291=486-387+367=970-609+347=370-83+174=885-260+491=283-37+186=523-207+950=337-322+434=709-72+540=286-81+113=742-107+544=465-276+115=825-196+201=197-31+212=377-98+718=285-144+78=958-317+322=206-127+314=658-477+959=500-261+34=809-768+756=497+(485-194)=757+(825-189)=441+(481-107)=708+(377-200)=418+(337-84)=345+(363-40)=414+(432-26)=470+(918-76)=146+(247-201)=574+(185-160)=471+(429-263)=376+(103-102)=452+(410-92)=205+(913-309)=83+(497-419)=536+(698-102)=120+(444-197)=221+(818-451)=476+(359-33)=939+(598-412)=436+(491-447)=842+(751-728)=332+(363-338)=942+(651-225)=341+(365-140)=501+(838-336)=400+(246-226)=840+(785-190)=490+(242-221)=653+(878-126)=189+(168-115)=378+(898-131)=15+(500-459)=649+(653-420)=325+(65-41)=673+(293-256)=388+(421-119)=585+(969-390)=176+(314-245)=370+(740-454)=269+(410-223)=872+(265-71)=391+(475-258)=326+(595-376)=313+(442-82)=527+(839-373)=262+(265-47)=138+(639-197)=339+(496-251)=638+(925-166)=494+(275-114)=598+(997-275)=154+(194-175)=420+(525-206)=356+(123-115)=798+(89-80)=16+(381-129)=543+(483-51)=416+(415-335)=580+(269-262)=457-(178+185)=690-(526+96)=446-(11+242)=573-(381+126)=454-(16+92)=873-(151+449)=327-(152+146)=720-(223+11)=496-(427+14)=907-(359+65)=339-(102+108)=941-(224+597)=173-(17+17)=944-(88+65)=127-(15+74)=511-(305+145)=435-(119+40)=641-(219+325)=429-(345+72)=462-(66+189)=326-(45+127)=999-(296+100)=500-(170+92)=608-(162+18)=296-(161+27)=944-(233+369)=440-(196+157)=538-(32+399)=333-(89+213)=765-(457+42)=490-(37+170)=760-(117+384)=272-(125+56)=800-(356+32)=368-(158+117)=677-(236+59)=463-(56+75)=704-(405+118)=375-(99+242)=680-(12+624)=428-(107+180)=692-(155+488)=254-(10+211)=896-(263+165)=409-(189+168)=461-(197+122)=389-(186+79)=158-(61+32)=71-(13+34)=978-(111+566)=323-(48+194)=981-(782+115)=189-(25+105)=733-(229+44)=478-(160+60)=964-(496+39)=420-(170+116)=765-(90+249)=447-(147+203)=669-(234+167)=410-(335-122)=678-(847-402)=385-(216-63)=747-(865-340)=411-(254-248)=866-(292-14)=309-(348-42)=784-(663-283)=249-(407-316)=125-(654-544)=94-(430-405)=773-(776-82)=255-(486-443)=365-(736-389)=305-(400-129)=239-(399-171)=290-(335-320)=195-(201-90)=397-(416-339)=664-(475-420)=463-(387-324)=581-(548-89)=138-(222-123)=732-(862-702)=416-(261-92)=747-(587-140)=492-(203-33)=940-(687-183)=312-(302-120)=805-(256-204)=51-(333-316)=605-(815-794)=275-(357-121)=238-(903-848)=350-(151-110)=360-(540-354)=284-(430-256)=916-(362-152)=446-(437-166)=908-(896-393)=309-(490-278)=676-(653-531)=155-(422-300)=593-(673-598)=343-(218-52)=632-(894-393)=458-(415-237)=385-(306-83)=317-(407-339)=725-(400-388)=464-(492-359)=962-(365-298)=470-(452-98)=647-(909-596)=278-(341-123)=365-(463-240)=351-(391-262)=586-(910-789)=290-(468-260)=863-(884-487)=127+121×7=661+53×2=346+267×2=196+67×5=153+302×2=819+240×3=38+247×3=424+32×3=345+15×3=309+318×2=349+68×6=592+227×4=241+18×8=473+124×2=358+22×6=421+40×6=12+220×4=463+206×4=411+279×2=914+407×2=247+31×8=213+166×5=242+13×4=486+36×8=378+44×4=321+136×6=460+75×6=366+218×2=81+36×2=797+163×5=18×8+40=76×9+81=199×3+262=111×5+544=52×4+447=76×4+515=105×2+374=159×5+601=80×7+83=174×2+529=81×6+439=106×8+38=186×2+495=76×8+731=199×4+21=183×4+400=55×7+42=16×5+670=12×2+66=227×4+704=144×2+36=303×3+741=111×4+389=66×7+297=96×5+106=396×2+768=360×2+139=24×9+431=48×5+249=325×2+676=489-92×3=664-27×8=367-22×9=969-144×4=368-20×6=479-39×6=433-47×6=455-18×5=387-63×3=464-38×7=440-101×2=548-32×8=263-34×3=633-117×5=474-25×3=777-21×6=446-42×4=252-24×4=88-12×3=998-90×3=495-99×5=889-68×5=320-58×3=796-39×7=487-50×9=477-175×2=400-161×2=419-183×2=419-11×8=667-12×5=468-58×2=303-49×6=343-13×4=908-222×2=404-13×6=683-160×2=404-32×4=622-212×2=211-26×7=332-28×9=330-136×2=572-18×4=484-112×3=336-82×2=39-19×2=349-105×3=327-73×2=671-52×9=191-94×2=505-39×2=450-23×4=989-259×2=408-34×6=885-166×2=343-17×8=680-98×5=71-15×2=117-25×3=396-77×3=272-62×3=259×3-583=59×6-185=270×3-547=684×6-313=193×4-472=768×3-464=150×2-201=688×8-559=50×6-175=525×5-574=137×7-166=226×3-253=247×4-611=74×3-71=81×6-198=718×9-419=261×3-91=335×9-215=53×7-176=511×9-934=161×5-772=110×8-87=98×4-213=621×2-233=72×8-448=392×7-891=304×2-413=437×4-688=110×9-60=371×5-273=165×4-164=767×5-482=104×9-630=591×3-659=118×5-107=762×7-679=293×3-271=294×3-13=139×2-174=763×3-57=86×8-665=538×7-410=152×6-755=877×4-80=164×6-43=551×4-434=314×3-248=78×6-334=203×2-121=306×5-644=255×3-285=630×8-939=110×2-164=500×5-758=89×9-239=568×8-299=157×3-332=377×6-629=29×9-256=599×4-937=317×(466-463)=128×(715-712)=318×(346-343)=823×(802-795)=14×(442-433)=37×(562-554)=304×(135-132)=255×(747-743)=121×(480-477)=891×(572-566)=81×(319-315)=844×(980-971)=180×(89-84)=405×(287-282)=81×(304-295)=726×(94-86)=118×(145-142)=889×(905-898)=79×(236-231)=213×(733-725)=128×(29-24)=958×(611-608)=199×(83-78)=192×(575-572)=90×(384-378)=545×(71-62)=246×(255-252)=998×(314-307)=179×(95-90)=243×(564-559)=124×(246-241)=575×(682-673)=100×(142-138)=52×(734-730)=70×(170-167)=594×(118-112)=68×(436-433)=404×(307-298)=29×(126-118)=830×(330-326)=216×(18-15)=172×(874-870)=63×(400-394)=522×(663-656)=61×(82-74)=340×(402-397)=144×(134-129)=950×(625-621)=87×(176-168)=134×(485-482)=30×(203-194)=609×(344-339)=111×(225-216)=189×(758-754)=114×(418-412)=802×(712-705)=100×(312-306)=606×(230-223)=51×(38-30)=878×(146-139)=1/7+2/7=1/5+4/5=1/6+3/6=4/10+6/10=2/7+4/7=7/9+2/9=1/8+4/8=1/9+4/9=1/8+6/8=1/3+2/3=1/8+2/8=4/10+2/10=6/8-1/8=3/9-1/9=2/4-1/4=2/3-1/3=4/8-3/8=3/10-1/10=3/6-1/6=4/9-3/9=2/5-1/5=3/4-1/4=4/7-2/7=6/7-1/7=參考答案261+185=446720+956=1676194+171=36599+117=216102+379=481201+746=947286+67=353839+471=1310119+71=19014+37=51105+228=333704+697=1401298+137=435227+320=547132+76=208124+664=788195+151=346507+501=1008102+180=282741+656=1397130+93=223113+182=295173+230=403616+163=779195+287=482427+523=95062+209=271203+169=372215+205=420687+285=972373+113=486724+587=131118+75=93237+413=650149+243=392419+480=899138+188=32642+170=212252+204=456123+588=711408+78=486539+738=127799+22=121704+194=898110+255=365116+640=75680+45=125168+352=52062+140=202185+722=90761+169=230680+118=798199+186=385224+953=1177175+286=461142+411=553294+65=359262+128=390191+98=289575+306=881458-359=99414-175=239311-277=34832-181=651217-197=20291-161=13062-23=39207-81=126266-74=192702-483=219342-66=276729-672=57426-354=72658-82=576419-409=10903-627=276157-86=71775-136=639352-74=278951-775=176217-29=188300-205=95322-32=290552-265=287448-371=77220-165=55217-48=169747-406=341475-171=304539-277=262288-237=51858-370=488271-52=219942-133=809500-147=353790-616=174165-76=89943-731=212341-311=30839-155=684245-204=4127-11=16381-230=151633-524=109490-201=289684-171=513344-309=35779-125=654300-28=272538-175=36370-59=11869-117=752310-128=182463-117=346419-334=85116-70=46245-78=167713-79=634217-159=58971-771=20076×2=152113×4=45220×6=120660×5=330029×8=232864×3=2592120×8=960261×7=1827137×2=274838×3=2514132×6=792694×5=347060×4=24012×6=7278×2=156529×5=264549×8=39289×9=801117×6=702941×6=5646216×2=432731×8=5848316×3=948485×7=3395218×3=654391×9=3519494×2=988237×3=711158×4=632296×2=592331×3=993527×6=3162102×2=204672×8=5376382×2=764461×9=414918×3=54554×3=1662144×5=720718×8=5744197×3=591355×3=106528×8=224326×9=2934120×6=720265×2=53053×8=424552×3=1656328×2=656375×9=337543×7=301561×5=2805104×3=312770×8=616089×4=356105×2=21074×2=148130×9=117065×2=130164×2=328110+223+126=459899+669+617=2185522+202+76=800405+188+514=110713+96+114=223875+623+116=1614197+24+381=602647+528+985=2160302+192+101=595957+324+608=1889491+392+60=94353+478+139=670153+70+453=676106+419+723=124856+407+235=698141+356+731=122839+673+233=945281+389+385=1055316+269+229=814874+844+11=1729106+335+48=489419+592+647=165862+679+200=941943+410+218=1571328+78+39=445938+847+321=2106660+270+60=990349+164+623=1136174+637+99=910560+641+413=1614162+337+405=904366+349+497=1212137+194+114=445567+659+663=1889129+296+265=690149+253+555=957578+53+212=843909+203+775=1887228+18+465=711710+148+236=1094294+86+176=556266+436+199=901414+159+172=745982+990+405=2377151+256+25=432456+760+582=179824+409+493=926643+122+713=1478502+195+88=785481+926+396=1803174+15+599=788713+23+582=131880+215+367=662768+558+327=1653164+119+457=740118+520+708=134680+184+45=309249+804+633=1686212+401+147=760980+690+184=1854250+250-92=408711+78-404=385177+256-114=319410+90-336=164134+313-113=334188+783-693=278388+33-376=45340+75-161=25456+52-69=39960+366-837=489146+283-151=278119+835-256=698261+68-291=38750+575-129=1196128+285-219=194551+704-149=1106264+149-157=256786+845-263=1368441+33-259=215903+814-441=1276312+186-417=81666+315-55=926439+18-400=5770+483-251=302145+108-73=18051+708-258=501334+65-83=316147+931-200=878327+70-175=222425+201-147=479249+25-270=4962+698-727=933199+276-141=334224+906-324=806114+314-212=216351+252-178=425292+118-374=36451+186-415=222391+101-218=274903+694-737=860374+64-207=231413+799-964=24886+218-217=87620+804-297=112771+110-41=140525+118-323=320215+155-326=44866+701-101=1466169+117-215=71873+167-265=775233+183-45=371283+884-548=61922+331-298=55400+768-264=904234+56-102=188280+392-360=312147+233-377=3886+558-520=924272+35-182=125732+757-831=658359-141-79=139977-871-48=58475-231-219=25749-27-83=639441-33-237=171840-119-658=63495-54-384=57966-77-447=442305-146-75=84615-376-66=173410-209-24=177797-396-280=121391-11-315=65371-43-299=29354-106-68=180962-293-389=280481-81-245=155483-212-13=258431-41-348=42957-28-284=645366-147-52=167740-623-59=58451-130-15=306711-356-136=219497-160-207=130915-393-168=354473-179-205=89984-747-172=65449-94-17=338971-135-463=373431-155-97=179847-246-31=570452-32-126=294488-185-34=269483-231-143=109929-141-333=455333-39-54=240767-295-402=70421-244-12=165964-397-508=59498-15-218=265936-619-22=295443-171-257=15309-124-122=63377-43-53=281771-530-41=200314-71-64=179936-135-317=484463-50-38=375866-188-13=665325-44-31=250412-151-173=88451-195-89=167659-210-47=402254-28-98=128722-379-123=220361-152-95=114568-421-86=61315-189-58=68578-89-333=156357-327+399=429456-190+849=1115490-264+181=407824-36+50=838344-146+40=238994-359+879=1514358-11+61=408648-544+429=533337-324+236=249167-80+714=801479-281+172=370871-37+514=1348273-38+171=406988-313+510=1185336-296+142=182190-122+853=921204-201+313=316232-68+214=378147-79+181=249934-114+959=1779363-286+14=91670-289+453=834166-151+407=422643-140+215=718400-289+277=388710-598+812=924323-243+323=403704-568+118=254258-44+143=357361-309+724=776379-213+239=405844-577+161=428217-216+465=466841-669+11=183415-164+42=293959-313+54=700499-233+144=410602-360+725=967148-100+334=382782-29+291=1044486-387+367=466970-609+347=708370-83+174=461885-260+491=1116283-37+186=432523-207+950=1266337-322+434=449709-72+540=1177286-81+113=318742-107+544=1179465-276+115=304825-196+201=830197-31+212=378377-98+718=997285-144+78=219958-317+322=963206-127+314=393658-477+959=1140500-261+34=273809-768+756=797497+(485-194)=788757+(825-189)=1393441+(481-107)=815708+(377-200)=885418+(337-84)=671345+(363-40)=668414+(432-26)=820470+(918-76)=1312146+(247-201)=192574+(185-160)=599471+(429-263)=637376+(103-102)=377452+(410-92)=770205+(913-309)=80983+(497-419)=161536+(698-102)=1132120+(444-197)=367221+(818-451)=588476+(359-33)=802939+(598-412)=1125436+(491-447)=480842+(751-728)=865332+(363-338)=357942+(651-225)=1368341+(365-140)=566501+(838-336)=1003400+(246-226)=420840+(785-190)=1435490+(242-221)=511653+(878-126)=1405189+(168-115)=242378+(898-131)=114515+(500-459)=56649+(653-420)=882325+(65-41)=349673+(293-256)=710388+(421-119)=690585+(969-390)=1164176+(314-245)=245370+(740-454)=656269+(410-223)=456872+(265-71)=1066391+(475-258)=608326+(595-376)=545313+(442-82)=673527+(839-373)=993262+(265-47)=480138+(639-197)=580339+(496-251)=584638+(925-166)=1397494+(275-114)=655598+(997-275)=1320154+(194-175)=173420+(525-206)=739356+(123-115)=364798+(89-80)=80716+(381-129)=268543+(483-51)=975416+(415-335)=496580+(269-262)=587457-(178+185)=94690-(526+96)=68446-(11+242)=193573-(381+126)=66454-(16+92)=346873-(151+449)=273327-(152+146)=29720-(223+11)=486496-(427+14)=55907-(359+65)=483339-(102+108)=129941-(224+597)=120173-(17+17)=139944-(88+65)=791127-(15+74)=38511-(305+145)=61435-(119+40)=276641-(219+325)=97429-(345+72)=12462-(66+189)=207326-(45+127)=154999-(296+100)=603500-(170+92)=238608-(162+18)=428296-(161+27)=108944-(233+369)=342440-(196+157)=87538-(32+399)=107333-(89+213)=31765-(457+42)=266490-(37+170)=283760-(117+384)=259272-(125+56)=91800-(356+32)=412368-(158+117)=93677-(236+59)=382463-(56+75)=332704-(405+118)=181375-(99+242)=34680-(12+624)=44428-(107+180)=141692-(155+488)=49254-(10+211)=33896-(263+165)=468409-(189+168)=52461-(197+122)=142389-(186+79)=124158-(61+32)=6571-(13+34)=24978-(111+566)=301323-(48+194)=81981-(782+115)=84189-(25+105)=59733-(229+44)=460478-(160+60)=258964-(496+39)=429420-(170+116)=134765-(90+249)=426447-(147+203)=97669-(234+167)=268410-(335-122)=197678-(847-402)=233385-(216-63)=232747-(865-340)=222411-(254-248)=405866-(292-14)=588309-(348-42)=3784-(663-283)=404249-(407-316)=158125-(654-544)=1594-(430-405)=69773-(776-82)=79255-(486-443)=212365-(736-389)=18305-(400-129)=34239-(399-171)=11290-(335-320)=275195-(201-90)=84397-(416-339)=320664-(475-420)=609463-(387-324)=400581-(548-89)=122138-(222-123)=39732-(862-702)=572416-(261-92)=247747-(587-140)=300492-(203-33)=322940-(687-183)=436312-(302-120)=130805-(256-204)=75351-(333-316)=34605-(815-794)=584275-(357-121)=39238-(903-848)=183350-(151-110)=309360-(540-354)=174284-(430-256)=110916-(362-152)=706446-(437-166)=175908-(896-393)=405309-(490-278)=97676-(653-531)=554155-(422-300)=33593-(673-598)=518343-(218-52)=177632-(894-393)=131458-(415-237)=280385-(306-83)=162317-(407-339)=249725-(400-388)=713464-(492-359)=331962-(365-298)=895470-(452-98)=116647-(909-596)=334278-(341-123)=60365-(463-240)=142351-(391-262)=222586-(910-789)=465290-(468-260)=82863-(884-487)=466127+121×7=974661+53×2=767346+267×2=880196+67×5=531153+302×2=757819+240×3=153938+247×3=779424+32×3=520345+15×3=390309+318×2=945349+68×6=757592+227×4=1500241+18×8=385473+124×2=721358+22×6=490421+40×6=66112+220×4=892463+206×4=1287411+279×2=969914+407×2=1728247+31×8=495213+166×5=1043242+13×4=294486+36×8=774378+44×4=554321+136×6=1137460+75×6=910366+218×2=80281+36×2=153797+163×5=161218×8+40=18476×9+81=765199×3+262=859111×5+544=109952×4+447=65576×4+515=819105×2+374=584159×5+601=139680×7+83=643174×2+529=87781×6+439=925106×8+38=886186×2+495=86776×8+731=1339199×4+21=817183×4+400=113255×7+42=42716×5+670=75012×2+66=90227×4+704=1612144×2+36=324303×3+741=1650111×4+389=83366×7+297=75996×5+106=586396×2+768=1560360×2+139=85924×9+431=64748×5+249=489325×2+676=1326489-92×3=213664-27×8=448367-22×9=169969-144×4=393368-20×6=248479-39×6=245433-47×6=151455-18×5=365387-63×3=198464-38×7=198440-101×2=238548-32×8=292263-34×3=161633-117×5=48474-25×3=399777-21×6=651446-42×4=278252-24×4=15688-12×3=52998-90×3=728495-99×5=0889-68×5=549320-58×3=146796-39×7=523487-50×9=37477-175×2=127400-161×2=78419-183×2=53419-11×8=331667-12×5=607468-58×2=352303-49×6=9343-13×4=291908-222×2=464404-13×6=326683-160×2=363404-32×4=276622-212×2=198211-26×7=29332-28×9=80330-136×2=58572-18×4=500484-112×3=148336-82×2=17239-19×2=1349-105×3=34327-73×2=181671-52×9=203191-94×2=3505-39×2=427450-23×4=358989-259×2=471408-34×6=204885-166×2=553343-17×8=207680-98×5=1907