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283+58=165+491=323+124=506+188=192+214=143+110=63+90=171+973=86+324=240+315=96+241=288+87=290+97=308+419=165+202=219+221=83+45=769+801=94+301=218+572=179+78=149+281=309+72=669+886=306+66=236+67=27+30=267+434=136+229=926+515=77+218=501+361=239+105=168+72=50+298=43+218=280+168=380+411=182+268=592+111=267+70=664+724=305+155=793+432=123+130=105+109=75+241=183+173=264+213=425+865=48+222=290+91=167+170=126+499=133+122=641+335=71+383=295+95=292+200=871+957=450-391=932-686=494-153=783-511=350-267=520-324=438-267=92-75=148-107=447-47=491-166=851-189=390-245=779-768=359-46=574-217=305-47=811-57=116-70=773-23=221-13=563-198=295-166=705-684=87-40=391-160=354-195=541-63=322-145=804-414=478-346=778-376=422-381=230-130=380-332=652-406=88-33=553-15=492-454=573-24=380-337=490-253=366-238=868-784=225-215=868-473=282-40=914-859=315-292=906-90=146-12=722-513=473-276=275-245=479-278=790-362=448-141=877-296=426-210=817-633=29×8=940×5=108×6=168×5=259×2=880×7=32×7=603×4=244×3=727×2=93×5=744×8=363×2=219×8=448×2=972×4=15×5=695×4=80×7=22×5=61×8=71×4=208×3=560×4=417×2=76×3=109×5=714×2=13×5=328×8=199×3=625×2=188×4=198×9=189×5=844×9=458×2=112×8=119×4=743×3=10×7=235×2=66×9=766×3=133×5=213×4=14×5=100×3=456×2=877×5=51×9=241×6=84×3=671×8=26×7=509×2=155×6=461×9=130×6=47×2=190+358+303=83+561+645=153+40+357=99+871+829=247+397+37=113+753+617=622+84+168=339+485+356=681+183+127=979+195+408=194+616+53=286+447+230=66+187+348=794+186+971=160+573+104=403+771+100=169+260+297=295+423+428=97+163+617=825+566+945=340+155+67=345+476+490=489+19+178=478+436+654=146+143+566=948+672+74=63+419+391=516+358+969=133+30+199=696+330+739=46+218+334=995+641+56=814+72+52=618+818+846=205+152+587=261+93+465=263+396+193=593+594+964=539+69+179=49+650+353=325+202+19=911+553+489=358+346+198=565+307+771=594+65+248=70+546+971=12+645+55=745+28+231=386+220+83=771+579+905=137+399+127=228+804+39=158+365+311=550+56+596=232+406+79=575+452+603=790+121+19=700+261+330=553+108+66=539+668+851=67+283-95=671+167-333=50+304-249=865+30-326=329+156-91=593+266-315=106+203-233=858+452-232=267+86-337=480+341-416=123+197-67=691+687-894=298+64-223=638+581-638=252+111-239=590+322-781=76+218-60=978+847-305=63+425-257=190+906-103=216+140-141=434+297-451=96+383-282=183+525-532=386+50-339=825+144-860=293+190-54=506+590-751=397+25-48=160+881-571=326+161-125=525+584-261=367+27-322=889+364-570=240+182-204=277+461-458=117+350-45=797+335-469=34+22-14=663+385-121=293+21-161=65+976-355=293+61-274=655+84-350=179+319-350=667+49-633=272+79-22=396+226-429=260+164-187=514+805-538=380+10-216=694+491-707=452+32-112=691+530-332=24+201-210=370+592-868=188+276-145=323+283-337=337+39-231=736+859-979=445-40-289=936-702-64=384-28-189=787-178-163=312-141-42=998-29-337=439-65-58=928-417-439=472-82-207=682-158-198=89-11-25=963-453-391=499-255-34=921-13-261=365-255-53=913-418-414=447-280-148=966-381-169=450-63-309=429-131-192=292-58-104=505-201-31=378-241-46=993-80-244=372-235-68=425-24-126=340-105-207=564-140-136=265-94-102=875-367-208=453-179-214=980-396-485=324-212-85=786-268-310=439-94-34=536-401-73=369-229-134=973-290-474=283-33-246=921-152-437=447-372-75=907-670-118=437-254-183=869-181-236=218-163-26=176-13-40=405-244-80=614-466-117=428-40-372=857-197-250=356-144-93=516-111-399=450-378-28=590-39-246=486-317-86=824-37-309=303-38-239=748-317-227=373-82-260=786-575-64=406-197+125=697-132+966=483-444+172=868-804+413=459-276+243=567-152+782=433-429+390=67-40+871=186-82+73=838-676+643=229-114+55=554-250+453=333-257+28=870-230+687=111-77+255=622-418+237=254-103+175=962-360+320=248-237+278=662-21+882=435-275+246=316-55+710=178-153+229=317-156+203=379-282+108=782-138+236=380-221+313=729-452+531=401-244+156=447-441+665=131-41+389=778-109+81=465-199+183=914-387+391=478-424+408=723-500+536=499-415+321=881-64+895=278-205+288=889-498+554=318-282+116=190-45+969=326-271+32=924-170+358=356-213+119=932-149+826=366-272+124=629-61+738=463-402+53=898-172+978=133-18+14=755-753+583=247-240+322=365-165+730=433-332+273=350-263+35=239-118+372=510-307+998=124-33+221=347-182+665=412+(384-67)=697+(636-363)=223+(296-291)=88+(415-161)=311+(282-95)=815+(98-22)=345+(364-35)=483+(840-642)=96+(493-163)=980+(610-415)=59+(269-157)=234+(875-808)=142+(493-142)=158+(334-60)=40+(362-359)=437+(863-224)=490+(96-45)=755+(761-113)=141+(471-102)=615+(381-261)=98+(305-186)=795+(627-606)=301+(401-234)=199+(937-378)=491+(471-449)=235+(371-76)=31+(480-83)=678+(706-353)=214+(236-141)=642+(921-519)=122+(396-296)=347+(783-215)=434+(142-67)=704+(960-23)=267+(414-412)=341+(931-591)=348+(313-231)=461+(420-125)=416+(500-33)=24+(993-328)=64+(143-28)=242+(951-501)=213+(292-248)=684+(875-319)=257+(428-298)=564+(965-806)=464+(117-89)=806+(498-475)=163+(82-23)=380+(983-438)=473+(344-25)=994+(671-163)=136+(98-19)=702+(919-504)=126+(195-91)=126+(666-477)=288+(419-113)=671+(364-44)=96+(408-332)=683+(761-84)=320-(165+146)=762-(327+287)=304-(140+22)=910-(306+197)=275-(45+163)=613-(191+249)=449-(56+75)=866-(19+562)=264-(34+184)=590-(251+74)=271-(94+12)=886-(201+249)=373-(78+131)=951-(382+400)=174-(37+50)=657-(125+207)=373-(27+89)=939-(147+308)=462-(116+227)=858-(246+516)=416-(139+270)=580-(238+261)=359-(174+47)=639-(85+44)=158-(52+96)=837-(227+90)=318-(38+148)=544-(470+64)=436-(62+118)=801-(26+399)=359-(194+116)=666-(70+241)=442-(175+142)=824-(363+289)=479-(330+116)=851-(148+232)=454-(112+255)=774-(70+288)=321-(225+15)=759-(34+91)=495-(83+154)=948-(159+776)=401-(192+108)=918-(168+496)=405-(247+45)=975-(411+107)=494-(379+17)=537-(16+473)=415-(185+145)=598-(406+22)=450-(74+127)=863-(476+305)=252-(66+114)=889-(36+290)=457-(56+232)=772-(571+144)=496-(76+18)=703-(357+56)=402-(314+61)=486-(175+48)=128-(415-363)=881-(619-545)=372-(290-40)=985-(234-125)=328-(353-336)=787-(674-548)=370-(393-311)=416-(575-493)=171-(154-21)=522-(558-222)=119-(215-141)=609-(759-290)=488-(379-319)=470-(952-758)=342-(279-219)=832-(819-400)=399-(390-387)=301-(476-412)=60-(353-325)=540-(595-361)=452-(302-226)=687-(676-136)=297-(319-158)=277-(160-93)=264-(179-163)=832-(652-590)=82-(175-131)=318-(633-332)=381-(272-101)=838-(733-180)=347-(305-284)=244-(861-843)=329-(455-426)=820-(416-48)=304-(450-235)=648-(364-320)=320-(414-255)=135-(616-558)=460-(353-24)=616-(624-562)=217-(139-74)=703-(809-672)=331-(434-328)=321-(190-113)=375-(248-70)=160-(686-585)=465-(350-311)=225-(211-136)=390-(251-113)=856-(963-122)=482-(490-180)=320-(500-310)=13-(68-62)=516-(598-254)=322-(281-126)=591-(926-672)=363-(262-206)=657-(312-72)=432-(305-174)=825-(968-594)=204+35×2=260+161×5=37+320×2=311+51×2=18+115×3=167+256×3=299+190×3=918+337×2=166+273×3=209+47×2=28+140×6=152+119×2=198+25×9=855+86×2=218+114×5=19+17×8=97+101×6=578+159×4=373+59×2=479+155×6=138+53×6=652+146×6=68+157×3=241+125×4=269+45×2=899+140×7=310+271×2=884+462×2=48+103×4=887+68×7=132×2+20=10×9+18=209×4+147=136×5+552=57×4+189=132×4+70=306×2+180=199×5+92=42×3+83=76×4+538=23×4+314=468×2+331=157×4+208=18×5+359=108×4+222=84×8+283=142×2+423=188×5+63=61×7+120=98×7+420=148×5+209=118×4+861=19×4+67=413×2+139=78×7+161=34×2+839=162×2+310=360×2+898=377×2+117=18×8+500=337-15×9=882-100×6=369-74×3=808-54×7=385-59×4=761-95×2=473-211×2=993-17×5=357-30×6=904-171×3=226-38×2=403-45×5=429-70×2=976-101×3=114-11×2=474-78×6=230-12×6=877-28×8=450-28×7=448-215×2=406-36×9=178-12×8=405-19×7=564-31×4=439-53×6=559-25×9=431-27×4=778-61×5=409-54×3=979-206×4=399-128×3=476-38×3=468-45×8=333-16×8=338-45×7=728-92×6=448-106×4=716-138×5=470-10×8=632-175×2=151-26×5=991-30×8=409-25×2=470-61×3=164-21×2=441-48×7=293-112×2=827-73×3=440-53×4=723-30×5=280-53×4=798-132×2=390-59×4=488-21×4=466-19×2=423-85×3=468-132×3=795-10×8=283-42×2=454-142×2=100×7-77=547×2-517=128×2-227=338×2-653=195×2-289=776×7-679=179×3-130=264×8-151=337×2-333=539×4-646=63×9-452=581×9-514=144×3-365=260×6-383=79×9-645=313×7-291=142×7-964=716×7-64=244×4-393=190×9-441=289×3-645=463×5-128=271×3-155=759×8-554=145×4-54=238×5-258=111×4-250=437×8-603=257×3-322=431×5-317=94×3-19=409×3-202=55×9-477=634×6-509=292×3-399=542×3-320=136×2-232=149×2-180=67×8-516=436×3-807=317×3-613=326×4-726=104×7-96=810×6-114=46×6-235=437×3-529=73×7-62=783×2-79=104×9-200=556×5-392=240×4-709=209×6-278=378×2-747=723×3-519=441×2-587=400×2-651=55×8-314=472×9-270=445×2-92=114×5-525=312×(231-228)=412×(950-946)=107×(126-121)=686×(947-943)=54×(339-334)=937×(23-16)=326×(100-97)=577×(742-733)=97×(123-119)=637×(349-344)=125×(218-215)=703×(440-435)=176×(465-462)=948×(880-872)=36×(248-241)=111×(90-86)=105×(130-124)=816×(996-992)=174×(299-296)=504×(88-80)=21×(52-46)=238×(622-618)=97×(261-253)=547×(435-429)=18×(391-383)=170×(774-768)=20×(337-328)=709×(921-916)=14×(327-324)=129×(367-360)=107×(108-104)=335×(355-349)=33×(109-105)=904×(687-683)=51×(247-240)=567×(97-89)=129×(281-277)=315×(169-160)=242×(102-98)=482×(932-925)=119×(301-294)=273×(315-311)=166×(391-388)=372×(796-787)=76×(103-99)=288×(184-181)=52×(197-189)=365×(585-576)=51×(260-257)=474×(251-244)=45×(392-383)=108×(80-72)=51×(178-173)=62×(72-64)=285×(289-286)=342×(816-807)=172×(416-412)=582×(373-370)=190×(170-166)=743×(566-557)=1/6+4/6=3/6+2/6=2/7+3/7=1/5+4/5=1/6+2/6=1/4+3/4=1/5+3/5=2/10+8/10=1/4+2/4=5/8+3/8=1/6+3/6=4/8+2/8=5/7-1/7=3/7-1/7=2/7-1/7=5/8-3/8=5/8-2/8=2/5-1/5=3/8-1/8=3/8-2/8=3/7-2/7=3/4-1/4=3/6-2/6=9/10-1/10=参考答案283+58=341165+491=656323+124=447506+188=694192+214=406143+110=25363+90=153171+973=114486+324=410240+315=55596+241=337288+87=375290+97=387308+419=727165+202=367219+221=44083+45=128769+801=157094+301=395218+572=790179+78=257149+281=430309+72=381669+886=1555306+66=372236+67=30327+30=57267+434=701136+229=365926+515=144177+218=295501+361=862239+105=344168+72=24050+298=34843+218=261280+168=448380+411=791182+268=450592+111=703267+70=337664+724=1388305+155=460793+432=1225123+130=253105+109=21475+241=316183+173=356264+213=477425+865=129048+222=270290+91=381167+170=337126+499=625133+122=255641+335=97671+383=454295+95=390292+200=492871+957=1828450-391=59932-686=246494-153=341783-511=272350-267=83520-324=196438-267=17192-75=17148-107=41447-47=400491-166=325851-189=662390-245=145779-768=11359-46=313574-217=357305-47=258811-57=754116-70=46773-23=750221-13=208563-198=365295-166=129705-684=2187-40=47391-160=231354-195=159541-63=478322-145=177804-414=390478-346=132778-376=402422-381=41230-130=100380-332=48652-406=24688-33=55553-15=538492-454=38573-24=549380-337=43490-253=237366-238=128868-784=84225-215=10868-473=395282-40=242914-859=55315-292=23906-90=816146-12=134722-513=209473-276=197275-245=30479-278=201790-362=428448-141=307877-296=581426-210=216817-633=18429×8=232940×5=4700108×6=648168×5=840259×2=518880×7=616032×7=224603×4=2412244×3=732727×2=145493×5=465744×8=5952363×2=726219×8=1752448×2=896972×4=388815×5=75695×4=278080×7=56022×5=11061×8=48871×4=284208×3=624560×4=2240417×2=83476×3=228109×5=545714×2=142813×5=65328×8=2624199×3=597625×2=1250188×4=752198×9=1782189×5=945844×9=7596458×2=916112×8=896119×4=476743×3=222910×7=70235×2=47066×9=594766×3=2298133×5=665213×4=85214×5=70100×3=300456×2=912877×5=438551×9=459241×6=144684×3=252671×8=536826×7=182509×2=1018155×6=930461×9=4149130×6=78047×2=94190+358+303=85183+561+645=1289153+40+357=55099+871+829=1799247+397+37=681113+753+617=1483622+84+168=874339+485+356=1180681+183+127=991979+195+408=1582194+616+53=863286+447+230=96366+187+348=601794+186+971=1951160+573+104=837403+771+100=1274169+260+297=726295+423+428=114697+163+617=877825+566+945=2336340+155+67=562345+476+490=1311489+19+178=686478+436+654=1568146+143+566=855948+672+74=169463+419+391=873516+358+969=1843133+30+199=362696+330+739=176546+218+334=598995+641+56=1692814+72+52=938618+818+846=2282205+152+587=944261+93+465=819263+396+193=852593+594+964=2151539+69+179=78749+650+353=1052325+202+19=546911+553+489=1953358+346+198=902565+307+771=1643594+65+248=90770+546+971=158712+645+55=712745+28+231=1004386+220+83=689771+579+905=2255137+399+127=663228+804+39=1071158+365+311=834550+56+596=1202232+406+79=717575+452+603=1630790+121+19=930700+261+330=1291553+108+66=727539+668+851=205867+283-95=255671+167-333=50550+304-249=105865+30-326=569329+156-91=394593+266-315=544106+203-233=76858+452-232=1078267+86-337=16480+341-416=405123+197-67=253691+687-894=484298+64-223=139638+581-638=581252+111-239=124590+322-781=13176+218-60=234978+847-305=152063+425-257=231190+906-103=993216+140-141=215434+297-451=28096+383-282=197183+525-532=176386+50-339=97825+144-860=109293+190-54=429506+590-751=345397+25-48=374160+881-571=470326+161-125=362525+584-261=848367+27-322=72889+364-570=683240+182-204=218277+461-458=280117+350-45=422797+335-469=66334+22-14=42663+385-121=927293+21-161=15365+976-355=686293+61-274=80655+84-350=389179+319-350=148667+49-633=83272+79-22=329396+226-429=193260+164-187=237514+805-538=781380+10-216=174694+491-707=478452+32-112=372691+530-332=88924+201-210=15370+592-868=94188+276-145=319323+283-337=269337+39-231=145736+859-979=616445-40-289=116936-702-64=170384-28-189=167787-178-163=446312-141-42=129998-29-337=632439-65-58=316928-417-439=72472-82-207=183682-158-198=32689-11-25=53963-453-391=119499-255-34=210921-13-261=647365-255-53=57913-418-414=81447-280-148=19966-381-169=416450-63-309=78429-131-192=106292-58-104=130505-201-31=273378-241-46=91993-80-244=669372-235-68=69425-24-126=275340-105-207=28564-140-136=288265-94-102=69875-367-208=300453-179-214=60980-396-485=99324-212-85=27786-268-310=208439-94-34=311536-401-73=62369-229-134=6973-290-474=209283-33-246=4921-152-437=332447-372-75=0907-670-118=119437-254-183=0869-181-236=452218-163-26=29176-13-40=123405-244-80=81614-466-117=31428-40-372=16857-197-250=410356-144-93=119516-111-399=6450-378-28=44590-39-246=305486-317-86=83824-37-309=478303-38-239=26748-317-227=204373-82-260=31786-575-64=147406-197+125=334697-132+966=1531483-444+172=211868-804+413=477459-276+243=426567-152+782=1197433-429+390=39467-40+871=898186-82+73=177838-676+643=805229-114+55=170554-250+453=757333-257+28=104870-230+687=1327111-77+255=289622-418+237=441254-103+175=326962-360+320=922248-237+278=289662-21+882=1523435-275+246=406316-55+710=971178-153+229=254317-156+203=364379-282+108=205782-138+236=880380-221+313=472729-452+531=808401-244+156=313447-441+665=671131-41+389=479778-109+81=750465-199+183=449914-387+391=918478-424+408=462723-500+536=759499-415+321=405881-64+895=1712278-205+288=361889-498+554=945318-282+116=152190-45+969=1114326-271+32=87924-170+358=1112356-213+119=262932-149+826=1609366-272+124=218629-61+738=1306463-402+53=114898-172+978=1704133-18+14=129755-753+583=585247-240+322=329365-165+730=930433-332+273=374350-263+35=122239-118+372=493510-307+998=1201124-33+221=312347-182+665=830412+(384-67)=729697+(636-363)=970223+(296-291)=22888+(415-161)=342311+(282-95)=498815+(98-22)=891345+(364-35)=674483+(840-642)=68196+(493-163)=426980+(610-415)=117559+(269-157)=171234+(875-808)=301142+(493-142)=493158+(334-60)=43240+(362-359)=43437+(863-224)=1076490+(96-45)=541755+(761-113)=1403141+(471-102)=510615+(381-261)=73598+(305-186)=217795+(627-606)=816301+(401-234)=468199+(937-378)=758491+(471-449)=513235+(371-76)=53031+(480-83)=428678+(706-353)=1031214+(236-141)=309642+(921-519)=1044122+(396-296)=222347+(783-215)=915434+(142-67)=509704+(960-23)=1641267+(414-412)=269341+(931-591)=681348+(313-231)=430461+(420-125)=756416+(500-33)=88324+(993-328)=68964+(143-28)=179242+(951-501)=692213+(292-248)=257684+(875-319)=1240257+(428-298)=387564+(965-806)=723464+(117-89)=492806+(498-475)=829163+(82-23)=222380+(983-438)=925473+(344-25)=792994+(671-163)=1502136+(98-19)=215702+(919-504)=1117126+(195-91)=230126+(666-477)=315288+(419-113)=594671+(364-44)=99196+(408-332)=172683+(761-84)=1360320-(165+146)=9762-(327+287)=148304-(140+22)=142910-(306+197)=407275-(45+163)=67613-(191+249)=173449-(56+75)=318866-(19+562)=285264-(34+184)=46590-(251+74)=265271-(94+12)=165886-(201+249)=436373-(78+131)=164951-(382+400)=169174-(37+50)=87657-(125+207)=325373-(27+89)=257939-(147+308)=484462-(116+227)=119858-(246+516)=96416-(139+270)=7580-(238+261)=81359-(174+47)=138639-(85+44)=510158-(52+96)=10837-(227+90)=520318-(38+148)=132544-(470+64)=10436-(62+118)=256801-(26+399)=376359-(194+116)=49666-(70+241)=355442-(175+142)=125824-(363+289)=172479-(330+116)=33851-(148+232)=471454-(112+255)=87774-(70+288)=416321-(225+15)=81759-(34+91)=634495-(83+154)=258948-(159+776)=13401-(192+108)=101918-(168+496)=254405-(247+45)=113975-(411+107)=457494-(379+17)=98537-(16+473)=48415-(185+145)=85598-(406+22)=170450-(74+127)=249863-(476+305)=82252-(66+114)=72889-(36+290)=563457-(56+232)=169772-(571+144)=57496-(76+18)=402703-(357+56)=290402-(314+61)=27486-(175+48)=263128-(415-363)=76881-(619-545)=807372-(290-40)=122985-(234-125)=876328-(353-336)=311787-(674-548)=661370-(393-311)=288416-(575-493)=334171-(154-21)=38522-(558-222)=186119-(215-141)=45609-(759-290)=140488-(379-319)=428470-(952-758)=276342-(279-219)=282832-(819-400)=413399-(390-387)=396301-(476-412)=23760-(353-325)=32540-(595-361)=306452-(302-226)=376687-(676-136)=147297-(319-158)=136277-(160-93)=210264-(179-163)=248832-(652-590)=77082-(175-131)=38318-(633-332)=17381-(272-101)=210838-(733-180)=285347-(305-284)=326244-(861-843)=226329-(455-426)=300820-(416-48)=452304-(450-235)=89648-(364-320)=604320-(414-255)=161135-(616-558)=77460-(353-24)=131616-(624-562)=554217-(139-74)=152703-(809-672)=566331-(434-328)=225321-(190-113)=244375-(248-70)=197160-(686-585)=59465-(350-311)=426225-(211-136)=150390-(251-113)=252856-(963-122)=15482-(490-180)=172320-(500-310)=13013-(68-62)=7516-(598-254)=172322-(281-126)=167591-(926-672)=337363-(262-206)=307657-(312-72)=417432-(305-174)=301825-(968-594)=451204+35×2=274260+161×5=106537+320×2=677311+51×2=41318+115×3=363167+256×3=935299+190×3=869918+337×2=1592166+273×3=985209+47×2=30328+140×6=868152+119×2=390198+25×9=423855+86×2=1027218+114×5=78819+17×8=15597+101×6=703578+159×4=1214373+59×2=491479+155×6=1409138+53×6=456652+146×6=152868+157×3=539241+125×4=741269+45×2=359899+140×7=1879310+271×2=852884+462×2=180848+103×4=460887+68×7=1363132×2+20=28410×9+18=108209×4+147=983136×5+552=123257×4+189=417132×4+70=598306×2+180=792199×5+92=108742×3+83=20976×4+538=84223×4+314=406468×2+331=1267157×4+208=83618×5+359=449108×4+222=65484×8+283=955142×2+423=707188×5+63=100361×7+120=54798×7+420=1106148×5+209=949118×4+861=133319×4+67=143413×2+139=96578×7+161=70734×2+839=907162×2+310=634360×2+898=1618377×2+117=87118×8+500=644337-15×9=202882-100×6=282369-74×3=147808-54×7=430385-59×4=149761-95×2=571473-211×2=51993-17×5=908357-30×6=177904-171×3=391226-38×2=150403-45×5=178429-70×2=289976-101×3=673114-11×2=92474-78×6=6230-12×6=158877-28×8=653450-28×7=254448-215×2=18406-36×9=82178-12×8=82405-19×7=272564-31×4=440439-53×6=121559-25×9=334431-27×4=323778-61×5=473409-54×3=247979-206×4=155399-128×3=15476-38×3=362468-45×8=108333-16×8=205338-45×7=23728-92×6=176448-106×4=24716-138×5=26470-10×8=390632-175×2=282151-26×5=21991-30×8=751409-25×2=359470-61×3=287164-21×2=122441-48×7=105293-112×2=69827-73×3=608440-53×4=228723-30×5=573280-53×4=68798-132×2=534390-59×4=154488-21×4=404466-19×2=428423-85×3=1684