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89+345=634+744=76+408=297+493=140+345=420+180=214+95=516+278=22+64=198+377=266+177=361+343=170+232=970+481=63+46=202+430=115+62=312+82=228+156=879+953=168+192=338+218=68+161=693+313=280+97=450+408=137+291=176+480=192+215=520+520=74+262=729+425=72+356=252+103=352+84=326+602=49+114=467+752=290+165=334+328=60+140=501+333=134+48=339+679=64+78=376+77=369+76=227+919=167+110=344+538=177+120=278+365=198+113=243+184=120+316=284+267=98+187=437+141=199+240=737+485=316-202=645-292=146-71=586-241=248-68=931-538=388-281=952-274=233-84=435-369=481-252=783-681=185-145=105-79=458-110=716-646=468-218=322-304=462-339=871-141=221-64=623-123=443-222=674-263=111-43=748-568=462-102=702-499=310-126=735-478=314-77=911-272=438-92=868-306=485-302=696-320=455-367=686-183=499-191=916-55=283-198=507-359=262-217=616-458=199-83=879-235=392-295=166-84=385-154=482-29=452-329=455-388=94-74=683-165=482-47=919-381=368-261=595-194=284-254=185-82=198×4=882×4=93×4=563×4=22×6=368×6=88×7=402×9=88×4=548×2=195×3=151×3=244×3=466×7=203×2=982×3=51×4=808×9=56×2=571×3=330×3=416×8=230×3=238×6=77×2=156×3=468×2=837×3=498×2=718×6=294×3=835×8=155×6=751×4=23×4=579×4=131×3=527×6=163×6=520×8=278×3=109×3=27×4=418×8=48×2=670×8=60×7=878×9=36×8=272×4=101×7=759×6=190×3=439×8=86×4=537×3=267×3=457×4=85×3=332×7=138+254+514=724+333+516=115+300+193=43+617+66=137+194+10=891+680+893=22+236+447=595+593+833=20+821+12=953+461+539=84+362+148=190+452+446=161+14+398=366+891+870=15+32+659=930+962+46=392+127+31=359+553+550=212+78+422=964+125+987=273+21+201=360+466+13=57+363+351=839+345+435=339+125+146=881+645+459=585+61+187=447+994+576=206+51+137=422+460+210=366+133+143=563+285+43=251+175+321=139+814+673=317+268+62=127+76+26=56+391+208=124+952+629=101+205+622=262+943+788=251+633+66=861+247+741=55+377+372=172+175+582=124+135+26=443+110+126=184+28+236=846+80+872=52+33+635=991+127+455=143+306+506=361+131+705=236+250+370=369+74+87=54+421+115=48+842+785=107+125+362=579+330+112=439+221+52=199+421+740=15+339-99=845+673-821=159+249-90=162+715-487=181+301-99=871+589-407=164+45-99=684+720-470=86+380-221=421+401-566=254+234-253=51+952-873=258+213-332=922+348-826=407+17-224=25+998-816=101+323-341=921+707-233=92+222-96=103+866-426=200+168-174=195+283-108=366+60-108=584+370-833=85+220-47=294+841-248=159+122-48=774+819-893=131+352-474=901+23-721=178+311-76=716+364-594=61+249-185=232+516-206=259+88-95=86+522-256=113+305-65=557+722-567=16+412-62=704+188-706=156+291-15=998+317-678=152+211-295=643+384-500=58+288-57=836+735-91=204+133-17=409+384-80=163+96-130=953+449-283=118+369-63=249+151-78=305+72-211=142+862-437=274+40-207=854+515-349=14+208-161=62+414-267=91+367-380=740+838-634=337-196-48=604-180-309=427-257-130=969-205-458=380-66-127=724-355-98=290-106-59=776-84-426=425-22-386=592-267-156=55-38-11=932-314-63=225-72-128=688-71-258=387-258-88=789-583-76=290-81-57=964-351-564=438-32-351=877-451-56=484-386-73=694-412-279=290-183-90=973-635-65=457-217-222=795-224-519=445-17-144=657-331-141=354-15-59=945-205-632=362-177-78=579-353-152=278-209-16=724-115-103=443-101-71=667-116-303=300-38-221=973-449-451=369-18-34=550-416-30=461-295-14=608-80-186=405-67-10=952-470-308=469-147-62=582-156-162=461-25-360=954-317-606=413-148-21=661-223-274=247-153-93=742-119-410=487-117-146=675-287-381=487-191-136=794-441-151=278-122-22=883-465-253=441-110-93=948-163-562=344-193+255=900-547+921=344-172+292=522-460+78=403-393+16=669-458+809=436-435+490=702-339+559=340-70+209=361-36+949=342-316+69=500-237+579=45-39+400=945-564+397=357-241+195=987-107+484=403-364+380=955-241+719=258-49+11=555-203+177=136-89+67=308-69+913=393-320+323=628-343+655=341-314+119=470-141+225=491-204+149=688-301+544=56-15+197=832-217+717=137-66+62=442-275+940=49-14+298=541-331+340=480-240+237=604-517+202=484-338+103=847-753+524=171-153+212=800-336+12=64-11+166=524-293+589=44-19+269=522-18+659=428-153+195=853-553+466=352-204+79=903-275+500=180-143+284=729-110+236=481-465+400=925-384+271=130-102+357=724-644+29=378-250+311=857-244+830=365-195+305=953-851+138=463-394+391=693-373+676=218+(429-333)=865+(463-390)=383+(480-54)=282+(762-439)=345+(412-229)=614+(268-88)=353+(368-71)=487+(267-111)=459+(442-79)=38+(960-627)=378+(468-41)=211+(985-481)=338+(480-126)=294+(277-103)=390+(103-56)=416+(807-441)=64+(496-134)=845+(684-254)=481+(349-216)=271+(174-127)=458+(302-86)=506+(948-347)=257+(488-282)=467+(745-39)=394+(466-278)=488+(841-85)=143+(361-41)=305+(635-566)=247+(256-85)=635+(748-504)=124+(422-62)=938+(847-161)=11+(267-74)=428+(208-69)=329+(158-10)=120+(917-591)=400+(326-160)=940+(855-168)=203+(127-28)=722+(578-468)=349+(329-323)=75+(191-165)=461+(110-14)=916+(332-202)=219+(462-296)=584+(690-29)=155+(425-260)=855+(76-63)=485+(436-422)=84+(548-414)=208+(452-410)=698+(357-257)=106+(275-246)=863+(483-462)=202+(474-418)=838+(854-383)=490+(262-139)=11+(673-301)=398+(145-72)=655+(131-62)=426-(56+368)=863-(260+328)=362-(19+265)=748-(476+170)=337-(104+108)=621-(252+166)=441-(387+48)=531-(226+44)=381-(103+109)=654-(369+75)=353-(31+41)=492-(240+86)=467-(391+23)=966-(213+580)=279-(46+118)=702-(223+336)=499-(44+88)=689-(457+87)=160-(85+20)=503-(387+91)=435-(189+199)=909-(469+152)=188-(42+108)=796-(220+360)=345-(47+115)=811-(43+570)=308-(39+219)=930-(155+625)=415-(47+59)=543-(248+21)=258-(207+30)=961-(390+305)=202-(20+128)=471-(434+16)=458-(309+65)=754-(399+15)=267-(33+28)=941-(261+277)=448-(164+257)=999-(425+303)=410-(118+142)=856-(639+147)=456-(386+33)=939-(337+505)=476-(145+329)=886-(171+240)=316-(16+265)=923-(411+137)=337-(199+92)=558-(379+47)=331-(192+126)=946-(60+165)=340-(266+73)=963-(364+34)=257-(226+26)=634-(107+362)=444-(240+115)=929-(718+43)=258-(243+10)=802-(350+331)=378-(407-97)=452-(337-107)=185-(443-333)=574-(165-134)=140-(483-408)=254-(949-803)=262-(235-67)=440-(929-636)=470-(486-368)=675-(440-335)=176-(440-431)=319-(146-120)=228-(150-126)=987-(869-659)=489-(459-13)=953-(386-22)=388-(394-223)=945-(564-320)=177-(204-91)=860-(994-943)=287-(472-310)=319-(520-243)=315-(271-198)=948-(252-158)=258-(272-57)=945-(268-29)=385-(467-192)=885-(528-406)=464-(421-173)=859-(902-306)=334-(167-157)=401-(922-588)=418-(349-85)=915-(329-102)=178-(335-281)=719-(699-362)=419-(453-57)=398-(507-324)=418-(243-210)=844-(720-172)=347-(196-29)=620-(653-42)=446-(463-346)=624-(652-555)=163-(402-399)=195-(584-486)=377-(370-148)=684-(339-258)=402-(336-150)=290-(819-649)=188-(435-299)=691-(669-558)=345-(396-120)=756-(520-236)=283-(358-76)=916-(228-179)=372-(379-187)=460-(724-490)=151-(402-306)=985-(223-107)=307+83×5=288+190×3=156+30×8=952+374×2=219+77×4=284+73×4=159+34×9=293+23×8=258+342×2=341+284×2=122+90×3=854+203×2=90+32×7=469+43×3=58+471×2=122+100×3=248+372×2=426+112×2=38+102×9=96+18×3=208+121×5=252+203×3=93+214×3=10+65×5=182+387×2=258+267×2=339+314×2=230+51×5=374+34×4=689+84×5=396×2+85=411×2+447=177×3+270=328×3+312=83×5+480=125×4+233=66×6+270=78×7+963=405×2+24=30×9+359=216×2+425=300×2+526=112×4+59=52×7+143=443×2+64=180×2+982=70×3+417=189×4+260=62×3+64=103×6+549=17×3+435=75×4+161=11×7+374=54×5+408=268×2+108=212×4+954=67×5+405=476×2+214=46×9+344=32×9+696=189-46×3=300-44×6=459-55×7=522-236×2=309-98×2=816-239×3=172-10×7=751-105×7=441-13×3=606-34×4=329-52×3=967-175×4=454-26×3=232-25×2=236-16×2=706-22×5=496-32×8=787-164×2=391-92×3=493-241×2=335-39×4=957-227×2=421-116×2=722-110×4=259-49×2=827-68×8=492-180×2=677-96×4=436-30×8=187-15×9=83-14×3=766-92×5=409-13×4=890-155×4=70-11×6=520-96×4=269-87×2=931-305×3=321-50×4=243-24×9=423-12×5=507-32×3=382-28×8=790-361×2=486-17×8=777-279×2=275-16×2=607-104×3=393-38×5=942-182×2=455-209×2=959-128×6=400-93×2=576-108×4=328-34×8=790-23×4=202-19×3=837-43×2=284-28×8=888-241×3=202×2-99=461×8-579=118×6-424=507×8-343=138×2-118=203×6-663=325×3-690=143×5-204=66×9-93=149×6-61=129×3-360=638×9-922=95×6-223=244×5-699=468×2-521=358×4-559=78×9-543=551×3-706=227×2-108=706×6-476=183×3-84=582×3-666=101×7-75=104×2-174=353×2-354=784×8-505=60×5-31=672×5-801=123×4-240=872×6-429=105×4-407=342×5-396=182×5-566=764×6-246=289×2-303=743×3-968=35×3-49=689×9-757=85×6-162=877×5-622=119×5-75=39×2-70=429×2-651=407×6-222=112×6-192=110×8-523=308×2-318=887×6-139=357×2-553=333×3-472=100×6-463=165×9-653=209×4-694=632×8-467=36×5-152=170×6-345=58×3-81=161×5-276=305×3-25=655×8-416=163×(409-406)=140×(749-744)=78×(14-11)=96×(435-431)=92×(343-334)=897×(141-138)=94×(74-66)=901×(193-190)=208×(436-433)=604×(108-99)=100×(329-325)=395×(759-751)=50×(181-177)=136×(713-704)=69×(239-233)=203×(396-392)=66×(344-339)=669×(540-535)=264×(93-90)=989×(30-26)=333×(406-403)=206×(685-679)=35×(145-142)=357×(603-597)=291×(358-355)=872×(455-446)=256×(474-471)=273×(202-198)=137×(327-324)=434×(523-515)=149×(279-274)=446×(36-27)=93×(269-264)=722×(984-976)=132×(389-382)=526×(801-794)=235×(196-193)=483×(728-722)=174×(226-221)=64×(787-779)=34×(29-21)=19×(654-650)=70×(304-296)=195×(551-542)=199×(437-432)=186×(844-839)=249×(20-16)=216×(608-602)=46×(150-143)=804×(467-458)=26×(345-342)=86×(544-536)=142×(432-425)=689×(173-169)=72×(439-430)=139×(196-190)=189×(321-317)=61×(59-52)=28×(181-175)=469×(390-385)=2/8+5/8=4/8+2/8=1/6+4/6=4/7+3/7=1/5+3/5=5/8+3/8=1/7+4/7=3/7+4/7=2/7+3/7=5/9+2/9=1/8+5/8=1/5+2/5=2/6-1/6=6/8-2/8=4/7-2/7=4/8-1/8=2/4-1/4=3/6-2/6=2/8-1/8=4/7-1/7=4/8-2/8=6/7-1/7=4/8-3/8=3/8-2/8=参考答案89+345=434634+744=137876+408=484297+493=790140+345=485420+180=600214+95=309516+278=79422+64=86198+377=575266+177=443361+343=704170+232=402970+481=145163+46=109202+430=632115+62=177312+82=394228+156=384879+953=1832168+192=360338+218=55668+161=229693+313=1006280+97=377450+408=858137+291=428176+480=656192+215=407520+520=104074+262=336729+425=115472+356=428252+103=355352+84=436326+602=92849+114=163467+752=1219290+165=455334+328=66260+140=200501+333=834134+48=182339+679=101864+78=142376+77=453369+76=445227+919=1146167+110=277344+538=882177+120=297278+365=643198+113=311243+184=427120+316=436284+267=55198+187=285437+141=578199+240=439737+485=1222316-202=114645-292=353146-71=75586-241=345248-68=180931-538=393388-281=107952-274=678233-84=149435-369=66481-252=229783-681=102185-145=40105-79=26458-110=348716-646=70468-218=250322-304=18462-339=123871-141=730221-64=157623-123=500443-222=221674-263=411111-43=68748-568=180462-102=360702-499=203310-126=184735-478=257314-77=237911-272=639438-92=346868-306=562485-302=183696-320=376455-367=88686-183=503499-191=308916-55=861283-198=85507-359=148262-217=45616-458=158199-83=116879-235=644392-295=97166-84=82385-154=231482-29=453452-329=123455-388=6794-74=20683-165=518482-47=435919-381=538368-261=107595-194=401284-254=30185-82=103198×4=792882×4=352893×4=372563×4=225222×6=132368×6=220888×7=616402×9=361888×4=352548×2=1096195×3=585151×3=453244×3=732466×7=3262203×2=406982×3=294651×4=204808×9=727256×2=112571×3=1713330×3=990416×8=3328230×3=690238×6=142877×2=154156×3=468468×2=936837×3=2511498×2=996718×6=4308294×3=882835×8=6680155×6=930751×4=300423×4=92579×4=2316131×3=393527×6=3162163×6=978520×8=4160278×3=834109×3=32727×4=108418×8=334448×2=96670×8=536060×7=420878×9=790236×8=288272×4=1088101×7=707759×6=4554190×3=570439×8=351286×4=344537×3=1611267×3=801457×4=182885×3=255332×7=2324138+254+514=906724+333+516=1573115+300+193=60843+617+66=726137+194+10=341891+680+893=246422+236+447=705595+593+833=202120+821+12=853953+461+539=195384+362+148=594190+452+446=1088161+14+398=573366+891+870=212715+32+659=706930+962+46=1938392+127+31=550359+553+550=1462212+78+422=712964+125+987=2076273+21+201=495360+466+13=83957+363+351=771839+345+435=1619339+125+146=610881+645+459=1985585+61+187=833447+994+576=2017206+51+137=394422+460+210=1092366+133+143=642563+285+43=891251+175+321=747139+814+673=1626317+268+62=647127+76+26=22956+391+208=655124+952+629=1705101+205+622=928262+943+788=1993251+633+66=950861+247+741=184955+377+372=804172+175+582=929124+135+26=285443+110+126=679184+28+236=448846+80+872=179852+33+635=720991+127+455=1573143+306+506=955361+131+705=1197236+250+370=856369+74+87=53054+421+115=59048+842+785=1675107+125+362=594579+330+112=1021439+221+52=712199+421+740=136015+339-99=255845+673-821=697159+249-90=318162+715-487=390181+301-99=383871+589-407=1053164+45-99=110684+720-470=93486+380-221=245421+401-566=256254+234-253=23551+952-873=130258+213-332=139922+348-826=444407+17-224=20025+998-816=207101+323-341=83921+707-233=139592+222-96=218103+866-426=543200+168-174=194195+283-108=370366+60-108=318584+370-833=12185+220-47=258294+841-248=887159+122-48=233774+819-893=700131+352-474=9901+23-721=203178+311-76=413716+364-594=48661+249-185=125232+516-206=542259+88-95=25286+522-256=352113+305-65=353557+722-567=71216+412-62=366704+188-706=186156+291-15=432998+317-678=637152+211-295=68643+384-500=52758+288-57=289836+735-91=1480204+133-17=320409+384-80=713163+96-130=129953+449-283=1119118+369-63=424249+151-78=322305+72-211=166142+862-437=567274+40-207=107854+515-349=102014+208-161=6162+414-267=20991+367-380=78740+838-634=944337-196-48=93604-180-309=115427-257-130=40969-205-458=306380-66-127=187724-355-98=271290-106-59=125776-84-426=266425-22-386=17592-267-156=16955-38-11=6932-314-63=555225-72-128=25688-71-258=359387-258-88=41789-583-76=130290-81-57=152964-351-564=49438-32-351=55877-451-56=370484-386-73=25694-412-279=3290-183-90=17973-635-65=273457-217-222=18795-224-519=52445-17-144=284657-331-141=185354-15-59=280945-205-632=108362-177-78=107579-353-152=74278-209-16=53724-115-103=506443-101-71=271667-116-303=248300-38-221=41973-449-451=73369-18-34=317550-416-30=104461-295-14=152608-80-186=342405-67-10=328952-470-308=174469-147-62=260582-156-162=264461-25-360=76954-317-606=31413-148-21=244661-223-274=164247-153-93=1742-119-410=213487-117-146=224675-287-381=7487-191-136=160794-441-151=202278-122-22=134883-465-253=165441-110-93=238948-163-562=223344-193+255=406900-547+921=1274344-172+292=464522-460+78=140403-393+16=26669-458+809=1020436-435+490=491702-339+559=922340-70+209=479361-36+949=1274342-316+69=95500-237+579=84245-39+400=406945-564+397=778357-241+195=311987-107+484=1364403-364+380=419955-241+719=1433258-49+11=220555-203+177=529136-89+67=114308-69+913=1152393-320+323=396628-343+655=940341-314+119=146470-141+225=554491-204+149=436688-301+544=93156-15+197=238832-217+717=1332137-66+62=133442-275+940=110749-14+298=333541-331+340=550480-240+237=477604-517+202=289484-338+103=249847-753+524=618171-153+212=230800-336+12=47664-11+166=219524-293+589=82044-19+269=294522-18+659=1163428-153+195=470853-553+466=766352-204+79=227903-275+500=1128180-143+284=321729-110+236=855481-465+400=416925-384+271=812130-102+357=385724-644+29=109378-250+311=439857-244+830=1443365-195+305=475953-851+138=240463-394+391=460693-373+676=996218+(429-333)=314865+(463-390)=938383+(480-54)=809282+(762-439)=605345+(412-229)=528614+(268-88)=794353+(368-71)=650487+(267-111)=643459+(442-79)=82238+(960-627)=371378+(468-41)=805211+(985-481)=715338+(480-126)=692294+(277-103)=468390+(103-56)=437416+(807-441)=78264+(496-134)=426845+(684-254)=1275481+(349-216)=614271+(174-127)=318458+(302-86)=674506+(948-347)=1107257+(488-282)=463467+(745-39)=1173394+(466-278)=582488+(841-85)=1244143+(361-41)=463305+(635-566)=374247+(256-85)=418635+(748-504)=879124+(422-62)=484938+(847-161)=162411+(267-74)=204428+(208-69)=567329+(158-10)=477120+(917-591)=446400+(326-160)=566940+(855-168)=1627203+(127-28)=302722+(578-468)=832349+(329-323)=35575+(191-165)=101461+(110-14)=557916+(332-202)=1046219+(462-296)=385584+(690-29)=1245155+(425-260)=320855+(76-63)=868485+(436-422)=49984+(548-414)=218208+(452-410)=250698+(357-257)=798106+(275-246)=135863+(483-462)=884202+(474-418)=258838+(854-383)=1309490+(262-139)=61311+(673-301)=383398+(145-72)=471655+(131-62)=724426-(56+368)=2863-(260+328)=275362-(19+265)=78748-(476+170)=102337-(104+108)=125621-(252+166)=203441-(387+48)=6531-(226+44)=261381-(103+109)=169654-(369+75)=210353-(31+41)=281492-(240+86)=166467-(391+23)=53966-(213+580)=173279-(46+118)=115702-(223+336)=143499-(44+88)=367689-(457+87)=145160-(85+20)=55503-(387+91)=25435-(189+199)=47909-(469+152)=288188-(42+108)=38796-(220+360)=216345-(47+115)=183811-(43+570)=198308-(39+219)=50930-(155+625)=150415-(47+59)=309543-(248+21)=274258-(207+30)=21961-(390+305)=266202-(20+128)=54471-(434+16)=21458-(309+65)=84754-(399+15)=340267-(33+28)=206941-(261+277)=403448-(164+257)=27999-(425+303)=271410-(118+142)=150856-(639+147)=70456-(386+33)=37939-(337+505)=97476-(145+329)=2886-(171+240)=475316-(16+265)=35923-(411+137)=375337-(199+92)=46558-(379+47)=132331-(192+126)=13946-(60+165)=721340-(266+73)=1963-(364+34)=565257-(226+26)=5634-(107+362)=165444-(240+115)=89929-(718+43)=168258-(243+10)=5802-(350+331)=121378-(407-97)=68452-(337-107)=222185-(443-333)=75574-(165-134)=543140-(483-408)=65254-(949-803)=108262-(235-67)=94440-(929-636)=147470-(486-368)=352675-(440-335)=570176-(440-431)=167319-(146-120)=293228-(150-126)=204987-(869-659)=777489-(459-13)=43953-(386-22)=589388-(394-223)=217945-(564-320)=701177-(204-91)=64860-(994-943)=809287-(472-310)=125319-(520-243)=42315-(271-198)=242948-(252-158)=854258-(272-57)=43945-(268-29)=706385-(467-192)=110885-(528-406)=763464-(421-173)=216859-(902-306)=263334-(167-157)=324401-(922-588)=67418-(349-85)=154915-(329-102)=688178-(335-281)=124719-(699-362)=382419-(453-57)=23398-(507-324)=215418-(243-210)=385844-(720-172)=296347-(196-29)=180620-(653-42)=9446-(463-346)=329624-(652-555)=527163-(402-399)=160195-(584-486)=97377-(370-148)=155684-(339-258)=603402-(336-150)=216290-(819-649)=120188-(435-299)=52691-(669-558)=580345-(396-120)=69756-(520-236)=472283-(358-76)=1916-(228-179)=867372-(379-187)=180460-(724-490)=226151-(402-306)=55985-(223-107)=869307+83×5=722288+190×3=858156+30×8=396952+374×2=1700219+77×4=527284+73×4=576159+34×9=465293+23×8=477258+342×2=942341+284×2=909122+90×3=392854+203×2=126090+32×7=314469+43×3=59858+471×2=1000122+100×3=422248+372×2=992426+112×2=65038+102×9=95696+18×3=150208+121×5=813252+203×3=86193+214×3=73510+65×5=335182+387×2=956258+267×2=792339+314×2=967230+51×5=485374+34×4=510689+84×5=1109396×2+85=877411×2+447=1269177×3+270=801328×3+312=129683×5+480=895125×4+233=73366×6+270=66678×7+963=1509405×2+24=83430×9+359=629216×2+425=857300×2+526=1126112×4+59=50752×7+143=507443×2+64=950180×2+982=134270×3+417=627189×4+260=101662×3+64=250103×6+549=116717×3+435=48675×4+161=46111×7+374=45154×5+408=678268×2+108=644212×4+954=180267×5+405=740476×2+214=116646×9+344=75832×9+696=984189-46×3=51300-44×6=36459-55×7=74522-236×2=50309-98×2=113816-239×3=99172-10×7=102751-105×7=16441-13×3=402606-34×4=470329-52×3=173967-175×4=267454-26×3=376232-25×2=182236-16×2=204706-22×5=596496-32×8=240787-164×2=459391-92×3=115493-241×2=11335-39×4=179957-227×2=503421-116×2=189722-110×4=282259-49×2=161827-68×8=283492-180×2=132677-96×4=293436-30×8=196187-15×9=5283-14×3=41766-92×5=306409-13×4=357890-155×4=27070-11×6=4520-96×4=136269-87×2=95931-305×3=16321-50×4=121243-24×9=27423-12×5=363507-32×3=411382-28×8=158790-361×2=68486-17×8=350777-279×2=219275-16×2=243607-104×3=295393-38×5=203942-182×2=578455-209×2=37959-128×6=191400-93×2=214576-108×4=144328-34×8=56