三年级数学(上)计算题专项练习附答案

三年级数学(上)计算题专项练习附答案210+78=325+456=142+354=160+46=76+209=55+329=207+270=538+98=152+137=322+461=207+222=909+993=376+71=758+312=56+134=177+129=53+154=475+301=167+121=64+21=59+105=340+195=289+93=561+605=94+64=146+265=369+95=29+148=325+55=147+817=201+262=293+354=132+361=275+381=180+302=479+416=88+130=580+879=230+124=38+96=96+401=403+480=96+40=776+509=160+174=366+295=208+267=913+400=307+82=646+761=23+76=92+459=86+266=172+880=257+75=117+409=264+227=531+94=197+254=965+471=346-274=55-14=144-123=991-847=482-203=630-148=244-142=797-773=405-362=636-458=488-343=965-415=298-74=821-409=135-42=658-91=338-254=954-577=487-136=858-92=414-141=513-350=474-161=603-167=233-91=396-122=499-434=198-160=440-280=671-291=437-10=979-508=306-284=798-486=347-263=147-116=444-256=630-501=412-132=721-596=201-162=100-19=323-127=629-12=200-97=860-141=452-196=963-679=456-346=747-216=71-31=995-68=279-134=841-101=279-221=222-195=222-190=184-22=390-337=974-155=93×2=732×7=52×3=528×5=16×9=487×8=161×4=405×9=161×3=494×7=100×8=814×8=43×9=402×8=172×2=570×7=174×2=311×7=159×5=663×5=121×7=812×5=108×9=606×8=48×6=718×7=395×2=305×2=242×4=668×2=157×3=97×3=76×8=356×5=196×5=521×9=204×2=682×4=208×3=369×4=128×3=781×4=61×9=465×9=407×2=285×3=24×3=938×2=68×3=537×3=56×4=812×4=278×2=662×5=140×4=165×5=37×4=904×8=290×3=458×8=124+126+311=552+748+701=371+80+194=165+772+173=379+408+56=862+738+468=42+21+585=531+100+529=517+15+23=928+368+316=506+168+169=26+886+575=623+266+107=29+631+102=509+291+91=139+553+732=50+265+284=164+946+191=275+103+324=581+330+226=192+574+179=594+622+202=154+124+674=141+504+882=331+255+308=188+171+980=100+382+453=462+722+783=105+579+64=343+127+572=62+535+158=280+530+149=281+205+475=163+574+818=58+584+95=620+113+709=75+261+609=187+100+768=159+128+672=251+187+889=348+40+92=217+125+712=92+291+10=782+968+664=253+267+355=983+346+488=27+590+22=22+296+315=201+353+238=915+96+593=883+25+61=354+138+93=103+80+10=912+494+592=98+216+627=597+600+685=52+49+841=896+759+949=758+58+27=658+329+964=271+109-206=884+741-196=447+47-325=896+186-106=90+83-142=531+870-602=11+375-273=890+650-141=197+218-300=10+946-715=247+169-153=276+223-253=110+155-124=41+955-253=239+199-132=362+233-393=248+113-286=559+700-914=167+269-290=928+116-813=77+347-243=631+680-432=109+307-166=472+836-828=106+74-67=868+62-702=105+374-135=404+347-509=149+276-204=550+474-119=262+129-203=925+747-929=177+54-199=427+590-968=289+156-175=750+466-343=124+139-110=409+567-646=108+281-314=665+433-422=193+107-219=947+890-349=130+292-379=150+944-436=327+145-432=619+558-120=218+139-93=177+713-68=261+239-344=636+162-285=233+60-140=108+794-202=101+204-234=489+604-74=88+287-256=731+566-301=80+340-55=214+220-425=37+423-123=948+408-380=453-147-30=971-79-720=460-56-277=798-349-18=432-221-85=576-110-30=442-18-82=564-121-431=334-276-41=837-143-335=489-24-390=578-223-280=111-31-77=988-99-119=491-28-95=630-158-424=338-69-147=686-182-67=479-65-176=294-158-74=275-23-202=466-36-10=485-472-10=703-542-59=143-57-73=970-280-524=474-137-10=207-58-98=287-158-117=914-63-257=247-175-70=789-198-128=418-192-52=905-589-233=257-174-69=977-674-192=450-313-65=622-315-109=202-80-46=743-302-288=424-55-92=827-197-309=112-33-69=568-11-384=347-155-123=779-21-379=294-47-187=327-78-91=317-143-137=753-186-57=345-196-103=511-141-286=483-276-90=944-145-599=450-34-301=490-31-263=400-28-304=850-226-311=482-113-185=800-514-132=432-300+68=767-334+486=458-292+275=835-757+265=371-292+113=833-34+901=436-249+102=931-668+482=447-434+67=584-83+499=304-261+45=563-485+999=264-256+374=983-381+130=379-240+342=312-133+347=224-191+112=623-248+603=290-285+333=392-269+775=481-445+364=972-332+894=340-297+198=953-665+903=461-417+45=454-339+583=376-273+316=684-14+505=228-16+67=947-102+586=486-268+141=701-260+302=497-496+189=636-435+821=379-327+96=509-248+842=228-159+157=614-414+392=192-60+228=862-184+776=410-164+167=835-678+870=102-10+183=825-344+381=429-363+200=437-202+628=383-54+90=689-311+94=452-443+326=601-288+499=108-21+225=201-67+318=438-395+139=762-43+806=473-246+149=437-280+30=289-151+17=754-508+307=296-281+41=964-800+262=11+(324-121)=735+(966-47)=350+(280-18)=847+(735-85)=214+(415-335)=221+(922-616)=333+(355-269)=15+(409-329)=352+(348-138)=761+(555-195)=158+(433-196)=93+(731-88)=343+(399-236)=148+(726-611)=379+(307-302)=65+(929-467)=206+(288-225)=657+(976-690)=112+(298-288)=859+(526-349)=499+(490-365)=454+(880-548)=187+(260-132)=17+(951-64)=292+(182-66)=285+(910-905)=299+(447-328)=322+(901-717)=124+(491-389)=899+(805-708)=210+(493-60)=216+(911-111)=20+(471-23)=120+(831-293)=30+(378-145)=731+(807-288)=145+(401-344)=743+(744-527)=67+(111-78)=505+(603-599)=311+(391-26)=116+(540-45)=203+(398-247)=647+(421-170)=298+(177-141)=293+(996-215)=190+(381-258)=731+(218-104)=365+(176-122)=812+(609-439)=177+(468-170)=997+(684-25)=449+(306-233)=514+(780-250)=191+(238-89)=95+(696-578)=29+(424-374)=657+(489-166)=142+(296-84)=585+(710-549)=380-(91+74)=827-(264+256)=419-(49+325)=721-(229+315)=482-(92+346)=767-(164+533)=223-(153+49)=841-(279+457)=488-(413+18)=422-(83+334)=418-(195+160)=456-(116+38)=451-(95+154)=635-(17+480)=432-(21+270)=853-(16+806)=466-(235+176)=630-(19+407)=389-(14+353)=824-(21+456)=447-(331+24)=657-(388+62)=350-(138+132)=565-(79+156)=487-(120+270)=911-(531+47)=244-(54+42)=656-(106+523)=471-(85+94)=812-(33+652)=335-(90+114)=935-(322+396)=308-(181+18)=737-(413+150)=395-(124+241)=381-(126+187)=363-(230+106)=780-(316+248)=438-(157+26)=699-(28+446)=365-(54+230)=987-(688+149)=307-(42+166)=980-(522+29)=446-(192+100)=900-(505+54)=265-(80+156)=920-(417+424)=437-(18+398)=651-(190+317)=353-(119+166)=775-(141+73)=437-(185+44)=964-(363+72)=420-(21+358)=790-(34+608)=427-(282+95)=627-(137+47)=311-(88+72)=987-(343+494)=476-(185-46)=209-(288-241)=172-(317-282)=408-(990-622)=393-(486-94)=374-(790-590)=288-(344-76)=890-(703-127)=451-(380-304)=946-(940-377)=305-(221-21)=954-(748-616)=346-(304-73)=721-(590-231)=254-(468-243)=841-(741-152)=456-(355-275)=681-(280-219)=354-(487-230)=534-(707-664)=86-(164-163)=809-(367-154)=366-(252-164)=701-(892-747)=238-(480-244)=726-(868-412)=410-(175-82)=869-(224-181)=252-(399-231)=317-(928-615)=252-(293-139)=817-(495-255)=422-(362-26)=847-(777-26)=431-(434-343)=258-(648-564)=490-(411-366)=767-(562-236)=371-(310-141)=986-(918-870)=193-(409-254)=656-(316-98)=385-(197-111)=571-(894-862)=452-(301-187)=431-(227-41)=277-(457-252)=199-(505-442)=314-(343-114)=757-(836-322)=383-(391-264)=915-(815-280)=388-(59-57)=615-(917-849)=187-(274-192)=959-(839-298)=436-(371-213)=872-(412-215)=61-(462-426)=672-(777-566)=41+135×2=516+72×2=414+28×3=421+76×7=141+186×4=475+87×3=241+16×8=944+94×9=389+49×2=495+250×2=250+162×2=224+130×3=357+188×2=225+23×5=303+166×2=950+261×3=317+34×7=822+207×4=57+102×6=495+171×3=120+16×8=542+181×5=252+95×7=404+109×9=151+271×2=261+361×2=178+119×3=15+115×2=234+233×2=914+218×2=62×5+35=75×5+559=57×3+291=57×9+175=57×8+267=88×7+622=222×3+146=133×2+948=234×2+499=91×6+604=233×2+13=248×4+186=19×5+274=297×3+654=37×6+89=99×9+771=54×6+464=13×4+465=416×2+139=210×3+948=387×2+87=39×5+703=64×3+333=117×8+127=18×4+332=39×2+658=58×3+342=139×4+871=169×4+290=199×4+548=236-12×7=821-99×2=452-46×8=870-256×3=317-30×5=743-10×9=335-122×2=986-89×9=331-41×2=790-38×4=342-38×9=938-99×4=455-36×9=804-65×3=375-14×7=651-38×5=315-12×4=930-33×9=500-72×3=444-67×3=411-45×3=592-67×3=424-40×2=601-30×4=493-189×2=212-105×2=375-10×3=895-79×3=466-25×3=883-43×8=291-58×3=842-173×2=464-48×7=364-54×4=452-57×5=797-320×2=459-74×4=735-152×4=306-10×3=399-94×3=415-82×3=649-48×7=475-77×4=677-229×2=410-118×3=283-28×2=446-78×5=962-144×3=460-90×2=893-130×2=469-16×9=523-39×3=154-20×3=480-66×6=316-31×6=295-21×5=486-22×5=858-81×6=466-94×2=609-41×5=188×2-323=908×9-913=248×4-629=532×4-382=154×6-112=13×3-28=104×8-181=898×7-95=94×9-151=218×5-767=473×2-424=713×9-436=88×4-21=625×2-859=59×8-288=525×2-733=329×2-330=92×5-71=88×7-495=516×3-138=81×9-304=610×2-847=136×7-216=604×5-902=88×3-57=814×9-958=200×3-576=286×6-200=207×3-217=714×4-303=441×2-322=440×7-900=294×3-878=585×7-275=91×6-480=799×8-456=420×2-740=462×3-689=376×2-604=872×4-992=469×2-561=666×2-288=111×8-578=102×9-310=369×2-591=556×6-330=178×5-790=234×7-762=379×2-159=531×6-954=112×5-246=683×3-843=182×3-437=744×2-22=428×2-813=622×9-537=332×2-232=270×8-422=302×3-306=614×5-732=111×(335-329)=496×(877-873)=226×(249-246)=709×(375-367)=321×(121-118)=621×(347-342)=80×(153-148)=706×(882-879)=114×(172-169)=279×(510-507)=194×(215-211)=132×(205-196)=21×(297-294)=891×(729-726)=30×(51-43)=987×(108-100)=129×(240-235)=730×(715-710)=40×(394-385)=199×(810-804)=64×(63-54)=421×(556-551)=70×(144-136)=182×(921-914)=209×(394-390)=436×(140-137)=100×(446-443)=68×(830-821)=63×(114-107)=180×(74-65)=123×(381-374)=146×(522-516)=143×(452-447)=328×(928-921)=159×(393-390)=891×(745-738)=94×(20-14)=970×(194-189)=295×(28-25)=542×(232-225)=300×(191-188)=240×(960-956)=56×(254-251)=315×(243-240)=33×(51-46)=606×(435-431)=119×(209-201)=956×(447-440)=96×(49-41)=910×(86-80)=90×(261-257)=926×(943-937)=91×(297-289)=661×(406-403)=83×(250-247)=79×(704-699)=20×(72-68)=356×(914-911)=87×(31-22)=302×(760-751)=1/4+2/4=2/10+6/10=4/7+2/7=6/8+2/8=2/8+5/8=3/8+4/8=5/8+2/8=2/6+3/6=3/8+2/8=3/9+4/9=1/7+5/7=1/4+3/4=3/7-2/7=2/4-1/4=4/6-1/6=4/8-2/8=3/6-2/6=5/10-4/10=3/7-1/7=2/8-1/8=5/7-1/7=5/10-3/10=4/7-1/7=6/7-1/7=参考答案210+78=288325+456=781142+354=496160+46=20676+209=28555+329=384207+270=477538+98=636152+137=289322+461=783207+222=429909+993=1902376+71=447758+312=107056+134=190177+129=30653+154=207475+301=776167+121=28864+21=8559+105=164340+195=535289+93=382561+605=116694+64=158146+265=411369+95=46429+148=177325+55=380147+817=964201+262=463293+354=647132+361=493275+381=656180+302=482479+416=89588+130=218580+879=1459230+124=35438+96=13496+401=497403+480=88396+40=136776+509=1285160+174=334366+295=661208+267=475913+400=1313307+82=389646+761=140723+76=9992+459=55186+266=352172+880=1052257+75=332117+409=526264+227=491531+94=625197+254=451965+471=1436346-274=7255-14=41144-123=21991-847=144482-203=279630-148=482244-142=102797-773=24405-362=43636-458=178488-343=145965-415=550298-74=224821-409=412135-42=93658-91=567338-254=84954-577=377487-136=351858-92=766414-141=273513-350=163474-161=313603-167=436233-91=142396-122=274499-434=65198-160=38440-280=160671-291=380437-10=427979-508=471306-284=22798-486=312347-263=84147-116=31444-256=188630-501=129412-132=280721-596=125201-162=39100-19=81323-127=196629-12=617200-97=103860-141=719452-196=256963-679=284456-346=110747-216=53171-31=40995-68=927279-134=145841-101=740279-221=58222-195=27222-190=32184-22=162390-337=53974-155=81993×2=186732×7=512452×3=156528×5=264016×9=144487×8=3896161×4=644405×9=3645161×3=483494×7=3458100×8=800814×8=651243×9=387402×8=3216172×2=344570×7=3990174×2=348311×7=2177159×5=795663×5=3315121×7=847812×5=4060108×9=972606×8=484848×6=288718×7=5026395×2=790305×2=610242×4=968668×2=1336157×3=47197×3=29176×8=608356×5=1780196×5=980521×9=4689204×2=408682×4=2728208×3=624369×4=1476128×3=384781×4=312461×9=549465×9=4185407×2=814285×3=85524×3=72938×2=187668×3=204537×3=161156×4=224812×4=3248278×2=556662×5=3310140×4=560165×5=82537×4=148904×8=7232290×3=870458×8=3664124+126+311=561552+748+701=2001371+80+194=645165+772+173=1110379+408+56=843862+738+468=206842+21+585=648531+100+529=1160517+15+23=555928+368+316=1612506+168+169=84326+886+575=1487623+266+107=99629+631+102=762509+291+91=891139+553+732=142450+265+284=599164+946+191=1301275+103+324=702581+330+226=1137192+574+179=945594+622+202=1418154+124+674=952141+504+882=1527331+255+308=894188+171+980=1339100+382+453=935462+722+783=1967105+579+64=748343+127+572=104262+535+158=755280+530+149=959281+205+475=961163+574+818=155558+584+95=737620+113+709=144275+261+609=945187+100+768=1055159+128+672=959251+187+889=1327348+40+92=480217+125+712=105492+291+10=393782+968+664=2414253+267+355=875983+346+488=181727+590+22=63922+296+315=633201+353+238=792915+96+593=1604883+25+61=969354+138+93=585103+80+10=193912+494+592=199898+216+627=941597+600+685=188252+49+841=942896+759+949=2604758+58+27=843658+329+964=1951271+109-206=174884+741-196=1429447+47-325=169896+186-106=97690+83-142=31531+870-602=79911+375-273=113890+650-141=1399197+218-300=11510+946-715=241247+169-153=263276+223-253=246110+155-124=14141+955-253=743239+199-132=306362+233-393=202248+113-286=75559+700-914=345167+269-290=146928+116-813=23177+347-243=181631+680-432=879109+307-166=250472+836-828=480106+74-67=113868+62-702=228105+374-135=344404+347-509=242149+276-204=221550+474-119=905262+129-203=188925+747-929=743177+54-199=32427+590-968=49289+156-175=270750+466-343=873124+139-110=153409+567-646=330108+281-314=75665+433-422=676193+107-219=81947+890-349=1488130+292-379=43150+944-436=658327+145-432=40619+558-120=1057218+139-93=264177+713-68=822261+239-344=156636+162-285=513233+60-140=153108+794-202=700101+204-234=71489+604-74=101988+287-256=119731+566-301=99680+340-55=365214+220-425=937+423-123=337948+408-380=976453-147-30=276971-79-720=172460-56-277=127798-349-18=431432-221-85=126576-110-30=436442-18-82=342564-121-431=12334-276-41=17837-143-335=359489-24-390=75578-223-280=75111-31-77=3988-99-119=770491-28-95=368630-158-424=48338-69-147=122686-182-67=437479-65-176=238294-158-74=62275-23-202=50466-36-10=420485-472-10=3703-542-59=102143-57-73=13970-280-524=166474-137-10=327207-58-98=51287-158-117=12914-63-257=594247-175-70=2789-198-128=463418-192-52=174905-589-233=83257-174-69=14977-674-192=111450-313-65=72622-315-109=198202-80-46=76743-302-288=153424-55-92=277827-197-309=321112-33-69=10568-11-384=173347-155-123=69779-21-379=379294-47-187=60327-78-91=158317-143-137=37753-186-57=510345-196-103=46511-141-286=84483-276-90=117944-145-599=200450-34-301=115490-31-263=196400-28-304=68850-226-311=313482-113-185=184800-514-132=154432-300+68=200767-334+486=919458-292+275=441835-757+265=343371-292+113=192833-34+901=1700436-249+102=289931-668+482=745447-434+67=80584-83+499=1000304-261+45=88563-485+999=1077264-256+374=382983-381+130=732379-240+342=481312-133+347=526224-191+112=145623-248+603=978290-285+333=338392-269+775=898481-445+364=400972-332+894=1534340-297+198=241953-665+903=1191461-417+45=89454-339+583=698376-273+316=419684-14+505=1175228-16+67=279947-102+586=1431486-268+141=359701-260+302=743497-496+189=190636-435+821=1022379-327+96=148509-248+842=1103228-159+157=226614-414+392=592192-60+228=360862-184+776=1454410-164+167=413835-678+870=1027102-10+183=275825-344+381=862429-363+200=266437-202+628=863383-54+90=419689-311+94=472452-443+326=335601-288+499=812108-21+225=312201-67+318=452438-395+139=182762-43+806=1525473-246+149=376437-280+30=187289-151+17=155754-508+307=553296-281+41=56964-800+262=42611+(324-121)=214735+(966-47)=1654350+(280-18)=612847+(735-85)=1497214+(415-335)=294221+(922-616)=527333+(355-269)=41915+(409-329)=95352+(348-138)=562761+(555-195)=1121158+(433-196)=39593+(731-88)=736343+(399-236)=506148+(726-611)=263379+(307-302)=38465+(929-467)=527206+(288-225)=269657+(976-690)=943112+(298-288)=122859+(526-349)=1036499+(490-365)=624454+(880-548)=786187+(260-132)=31517+(951-64)=904292+(182-66)=408285+(910-905)=290299+(447-328)=418322+(901-717)=506124+(491-389)=226899+(805-708)=996210+(493-60)=643216+(911-111)=101620+(471-23)=468120+(831-293)=65830+(378-145)=263731+(807-288)=1250145+(401-344)=202743+(744-527)=96067+(111-78)=100505+(603-599)=509311+(391-26)=676116+(540-45)=611203+(398-247)=354647+(421-170)=898298+(177-141)=334293+(996-215)=1074190+(381-258)=313731+(218-104)=845365+(176-122)=419812+(609-439)=982177+(468-170)=475997+(684-25)=1656449+(306-233)=522514+(780-250)=1044191+(238-89)=34095+(696-578)=21329+(424-374)=79657+(489-166)=980142+(296-84)=354585+(710-549)=746380-(91+74)=215827-(264+256)=307419-(49+325)=45721-(229+315)=177482-(92+346)=44767-(164+533)=70223-(153+49)=21841-(279+457)=105488-(413+18)=57422-(83+334)=5418-(195+160)=63456-(116+38)=302451-(95+154)=202635-(17+480)=138432-(21+270)=141853-(16+806)=31466-(235+176)=55630-(19+407)=204389-(14+353)=22824-(21+456)=347447-(331+24)=92657-(388+62)=207350-(138+132)=80565-(79+156)=330487-(120+270)=97911-(531+47)=333244-(54+42)=148656-(106+523)=27471-(85+94)=292812-(33+652)=127335-(90+114)=131935-(322+396)=217308-(181+18)=109737-(413+150)=174395-(124+241)=30381-(126+187)=68363-(230+106)=27780-(316+248)=216438-(157+26)=255699-(28+446)=225365-(54+230)=81987-(688+149)=150307-(42+166)=99980-(522+29)=429446-(192+100)=154900-(505+54)=341265-(80+156)=29920-(417+424)=79437-(18+398)=21651-(190+317)=144353-(119+166)=68775-(141+73)=561437-(185+44)=208964-(363+72)=529420-(21+358)=41790-(34+608)=148427-(282+95)=50627-(137+47)=443311-(88+72)=151987-(343+494)=150476-(185-46)=337209-(288-241)=162172-(317-282)=137408-(990-622)=40393-(486-94)=1374-(790-590)=174288-(344-76)=20890-(703-127)=314451-(380-304)=375946-(940-377)=383305-(221-21)=105954-(748-616)=822346-(304-73)=115721-(590-231)=362254-(468-243)=29841-(741-152)=252456-(355-275)=376681-(280-219)=620354-(487-230)=97534-(707-664)=49186-(164-163)=85809-(367-154)=596366-(252-164)=278701-(892-747)=556238-(480-244)=2726-(868-412)=270410-(175-82)=317869-(224-181)=826252-(399-231)=84317-(928-615)=4252-(293-139)=98817-(495-255)=577422-(362-26)=86847-(777-26)=96431-(434-343)=340258-(648-564)=174490-(411-366)=445767-(562-236)=441371-(310-141)=202986-(918-870)=938193-(409-254)=38656-(316-98)=438385-(197-111)=299571-(894-862)=539452-(301-187)=338431-(227-41)=245277-(457-252)=72199-(505-442)=136314-(343-114)=85757-(836-322)=243383-(391-264)=256915-(815-280)=380388-(59-57)=386615-(917-849)=547187-(274-192)=105959-(839-298)=418436-(371-213)=278872-(412-215)=67561-(462-426)=25672-(777-566)=46141+135×2=311516+72×2=660414+28×3=498421+76×7=953141+186×4=885475+87×3=736241+16×8=369944+94×9=1790389+49×2=487495+250×2=995250+162×2=574224+130×3=614357+188×2=733225+23×5=340303+166×2=635950+261×3=1733317+34×7=555822+207×4=165057+102×6=669495+171×3=1008120+16×8=248542+181×5=1447252+95×7=917404+109×9=1385151+271×2=693261+361×2=983178+119×3=53515+115×2=245234+233×2=700914+218×2=135062×5+35=34575×5+559=93457×3+291=46257×9+175=68857×8+267=72388×7+622=1238222×3+146=812133×2+948=1214234×2+499=96791×6+604=1150233×2+13=479248×4+186=117819×5+274=369297×3+654=154537×6+89=31199×9+771=166254×6+464=78813×4+465=517416×2+139=971210×3+948=1578387×2+87=86139×5+703=89864×3+333=525117×8+127=106318×4+332=40439×2+658=73658×3+342=516139×4+871=1427169×4+290=966199×4+548=1344236-12×7=152821-99×2=623452-46×8=84870-256×3=102317-30×5=167743-10×9=653335-122×2=91986-89×9=185331-41×2=249790-38×4=638342-38×9=0938-99×4=542455-36×9=131804-65×3=609375-14×7=277651-38×5=461315-12×4=267930-33×9=633500-72×3=284444-67×3=243411-45×3=276592-67×3=391424-40×2=344601-30×4=481493-189×2=115212-105×2=2375-10×3=345895-79×3=658466-25×3=391883-43×8=539291-58×3=117842-173×2=496464-48×7=128364-54×4=148452-57×5=167797-320×2=157459-74×4=163735-152×4=127306-10×3=276399-94×3=117415-82×3=169649-48×7=313475-77×4=167677-229×2=219410-118×3=56283-28×2=227446-78×5=56962-144×3=530460-90×2=280893-130×2=633469-16×9=325523-39×3=406154-20×3=94480-66×6=84316-31×6=130295-21×5=190486-2