三年级数学(上)计算题专项练习附答案集锦

三年级数学(上)计算题专项练习附答案集锦117+285=598+646-195=279-21=458-(558-444)=144-(111+20)=307+108-410=91+630-52=332×2+164=308+120-246=96×9=425-(17+367)=364-(244+94)=437-167-175=75-(427-375)=401+80-254=259×(884-875)=160-37×3=897-562+222=487-174-58=336-(177-46)=375-13×2=119×7-191=309-35=144×6+414=218+289=18+(970-817)=433-109-61=324+411-480=3/7+4/7=259-89+48=532×(329-322)=259×(500-497)=455×2-474=364-(98+96)=229-11=66×(486-483)=366-139+266=289+801+259=374-(249+51)=448-(362-235)=171-97+328=443-261-61=317-235=411-(80+208)=746×2=492-(576-278)=185+110×2=396+885+773=591+158+180=25×(196-188)=863+832+484=294+74=332-137=13×(484-480)=87-72+37=812-30×2=1/6+2/6=543-(370-72)=667-321×2=819-564-53=581-196-12=949-(417+352)=977-442+859=472-46=193-(569-393)=789-215+31=4/7-3/7=197+763=41×(446-442)=56+408-389=299-224+164=227+116=885-(776-370)=86×5=567+(505-214)=41+507+191=904×9-694=172×4=659-41×6=50-12+299=235+(722-562)=343-(139+54)=999-(345+373)=743-(449+40)=628+137×5=171×2+798=213×2=87+83+135=11×(354-347)=109×5=135×3=466-465+162=605+10+486=193+118×3=241×4=381-(359-164)=358+(872-287)=234×2+963=827+347-777=318×3-38=256+61=446-169×2=412-53=726-44×9=954-332-488=271-66-119=445-77-157=710-273-178=483+49×3=200-45×4=775-(270+324)=289-272=138×2+392=148+126=27+(629-164)=36+386+341=269-(425-196)=82×9=87-55=95×6+41=408+78-176=142×(63-60)=700+101×3=235-29=200-(18+159)=147+586=886×9-646=113+105=127+177=591×8-596=117+331+378=766-(31+655)=423-43×8=344+806+79=319+308=342-10×3=303-(432-325)=75×9=456-(230+141)=43+248-147=1/6+3/6=486-88×3=149×6-131=5/7-1/7=502+(194-184)=500-(63+242)=339×4=479-180-87=55×(125-118)=274-48×4=231+54=619×7-389=800-21-564=296+(443-417)=187+121-169=805×4-897=364-(36+131)=388-(135-110)=355-26=889-694-192=808-575+289=226+(491-157)=591-197×2=699-479+485=655+473-384=422-(73+17)=313+98=576-171-242=295-238+812=645-581+624=478-378=159+645-180=12×(392-389)=196+672+870=391-(140+138)=79+194+890=117+(291-263)=432-65=824+935-312=442+(750-294)=464-268-163=63×2=390-59×5=35×7=92×(92-87)=860-(438+210)=162-15×4=349-10-230=49×2+88=520+(589-319)=45×5+491=332-(80+32)=148+140=427+65×6=212-207+444=593×(358-353)=59+235+85=309-276-13=910-233-648=238+363+356=64+35=592+696+550=630-378=480-77×4=555+106×2=786-193=832-261=432×2=202×(200-197)=171-166+320=2/7-1/7=1/7+4/7=508+845-367=280-14=3/8-1/8=134×(116-113)=594-321=36×4+786=267×3-207=838-815=109+(824-350)=190×3=495-(116+255)=398+(344-267)=248+(872-491)=100×8-186=471-(492-89)=19×(34-29)=112+368-289=165+420=188×5=521-487+287=276+(265-76)=74×7-428=1/6+4/6=718-(248+387)=4/8+3/8=269+225=981+(746-291)=778-465+285=285-(404-396)=666×8=99+108=566×6=73-15+151=65+239=523+94+215=532-(321-167)=104+297×2=389-(252-169)=105+529+842=290-148=349-326+412=697-248=649-110+558=299+183+727=606-(267-254)=4/8-1/8=65-(259-250)=282+(769-206)=390-(166-165)=5/10-2/10=620+177+28=594+655-315=903-117×4=733-59×7=255×(82-79)=97×(304-300)=399-262-66=358+984-570=177+57=268-(106+23)=458-(357-93)=351-58-152=374×6-442=35+15×3=417×5-317=50×5+397=391-23×9=121+347-27=271+778-64=445-(365-122)=148+71×3=24×(304-300)=867-59-235=121+185=420+25+11=158-(313-292)=197+670+76=681-538=69×7+756=718-576-46=735-49×8=374-100=160-33×2=928-840-37=465-(299-198)=305×4=338+(490-82)=271-185+216=315+44+591=125×(460-455)=378-22×9=695+(790-575)=223×2+113=300-276=51×8-359=161×4=153+569+268=160-19×2=680-452+222=406+58-32=166×5+10=859×2=854-457+565=242-49-178=162+770+31=62×9-132=661+969=715-(470-435)=217+(922-380)=454×2-152=678×8=104×(162-157)=327+265+181=334+(437-15)=643×(805-801)=989-297-72=386-(329+18)=879×(469-462)=379×(723-716)=411+124=154+(460-378)=406-313=468-215-175=433+175+552=429-377+290=32+326+236=153+865-60=229+128=373×2=781-(143+421)=78×6=806-(832-776)=866-(503+143)=132×4+238=274+720+999=325-234=788+849-293=661+383-978=923-633+346=376×8-756=403+703-426=401-(196+172)=421-187×2=380-18-361=10+787-685=265+176=467-57+744=385-161-25=943-70×5=279×3+137=22+(473-50)=37+490+104=449-229-19=916×(897-894)=139×3+99=353+50-187=643-(208+53)=779-223-158=474-(902-571)=749-(539+69)=390+44-415=834-748+413=891-195+101=899+375+380=305×2=752×(188-179)=736+875-503=356-212+571=405-14×4=109×(416-411)=814-494-305=39+314-290=496-19×5=940+973+62=762-244-421=881×6=738-(450+244)=276-10=89+(434-38)=492-81-328=878-98+641=860+30×7=228-10+56=962+720=384-(105+138)=138-(89+47)=810-(927-209)=487-214=2/8+3/8=485-158+25=3/6-1/6=601-(284-49)=37+200×3=928-522=324×4=888-444=497-99-340=451-(176+74)=174-36=164+497=376×9-455=260+(415-57)=50+240×3=486+(495-296)=3/6+2/6=924+403×2=489-238-75=495-82×2=2/5-1/5=33×5-20=267×2=353×2+201=467+(434-39)=420×(510-504)=881-306=414×2-156=12+46=957+(119-20)=627×6-818=446-(312-222)=25×6=675-(163+477)=730-94×2=604×9-11=133+(78-72)=910+565=215×7-667=54×(453-446)=462-(297-127)=752-475-240=233+552+824=381-(635-622)=826-(826-705)=180+275=433+162-279=439+(436-358)=55×3+92=478-176=682+(991-639)=81×9-526=340-180=11+61×3=472+862=411-36×5=336-(49+129)=172+87=344+146-36=502-50-72=481+540-898=961×8=216-107-89=544-81+634=930-(291+132)=13+442×2=430-(787-602)=353×(760-757)=725×8-53=936+(925-117)=255+953+600=352-321+164=176+51+320=4/10-2/10=153×3-84=44×(49-42)=238×3+39=74×(386-378)=331+299+116=68+166=435-260+197=477-32×3=247+85+168=346+23-66=114+543+322=630×(549-545)=810+205=693-235×2=136×(274-268)=947-107=366-46×6=437-107-275=445-279-150=471-71×2=349-(872-779)=312-(27+55)=210+166-204=826+(793-122)=539+751+950=4/6-1/6=196+110×2=33+(269-209)=128-36×3=78+277-308=661-(102-19)=248+(242-229)=722-(887-859)=478-456+346=133×6-580=127-(395-288)=216×4=660-171+73=346-136-152=54×4=266+32×3=977-194-461=92×4=86-(304-260)=488-111-76=2/10+7/10=949-117-738=366-157×2=209-189+127=979-(465-83)=153+263-262=473-22-19=660+(727-700)=377-31-186=599-92-170=51×8+323=782-439=375+26+471=963-313-310=430-(102+285)=934-308-382=367-334+274=383-144+565=307+(126-113)=396-25×5=499-427+391=204+459+753=529+784=383-41-32=631+(972-537)=938-204×2=366-128+192=312+605=176×5-488=53+153=873×8-382=49+169=259+198+428=78-44=462×2=886+(649-266)=682×(977-974)=267×3-483=973×5=475-205×2=196+155=444-(32+57)=122×8=558-316=461×4=444-(478-60)=82×4=275+13×7=926-(719-545)=398×2-211=361-292+278=165-75+54=859-186×2=629-(624-127)=68+133=410+(245-89)=196+708+185=146×(66-59)=367-259-47=489-23-157=148×(48-44)=726×(516-513)=321+(191-68)=557-270+630=345-21-194=954-83×8=254+96=806-112×6=25+264+585=618+594-671=45×2+58=143+61=351-118+221=172+88-176=715+227+128=183×(100-93)=812+453-86=509-219=395-204+55=540+491+212=319×(644-639)=89×9+206=57+354-379=671-592+647=788-(443+306)=737×6=388×(258-252)=224×4=37+334-66=55+(416-57)=885+(796-341)=911-311-386=584-222=902×3-308=163+274=379-(29+160)=92+47=765+227+516=733+626-314=70×6+556=690+626=724×5-908=192+(415-332)=450-71×5=24×(205-199)=853-739=370+(446-107)=207×(962-958)=384-60×3=261-100+134=43×(62-55)=57+223=145×5+147=408-(469-460)=59×4-149=372+413=421-(455-451)=252+(415-157)=143+(901-623)=319-279+270=536×8-167=4/7+3/7=904-(37+225)=109+98+751=310+(288-179)=601×2-405=993-113×8=937-569-168=690×(949-944)=234×(69-63)=77-12×4=436+936+690=203-(445-372)=97+118=256+191-421=154+245=728+278-760=411+55-377=240+11×5=182-77×2=1/3+2/3=348+(134-81)=338+97=368-(426-379)=235+509-446=91-25-16=844-230-54=362-185+309=91×3=82×5+181=240-(171+11)=340-(37+60)=351+48×3=198×(82-77)=222-(292-78)=413-(110+92)=159-(161-32)=594+(358-276)=290+(652-176)=344+433-77=612+482=721×3-430=217+(330-263)=761×(353-349)=362-29=709-293×2=215+617+42=220×9-308=744-180×3=352-40×4=226+600+643=376-332=715+255×3=277×9-392=978×(327-319)=668×6=89-77=133+84×7=666-502=76×4+217=360+51×4=3/7-1/7=346-61×4=443-31=31+293-231=50+206+440=293-(683-600)=304-(329-228)=305+164-47=68×7-45=11+634+745=85×8-327=866-(170+376)=118+(287-254)=764×7-197=213-(377-244)=995+(766-738)=257+251+502=1/9+7/9=759-(406+13)=658+141=477-21×5=961-(236+416)=883+528+246=50×(417-411)=2/4-1/4=212-71×2=299-148=81×9-35=834-215+859=325+19×2=978-(377+562)=484-(66+193)=81×6=87×2+22=487-(328+120)=724×(291-288)=494-283=868×2-666=319×(179-176)=108×(359-350)=299×9=73×6-305=736+244+309=439-(34+121)=620+546-713=467×2=223-(860-800)=121×4-203=526-512+905=634-192=334×4=338-251=179+504=521+352=269-152+372=761×5=757-326-395=355×(662-654)=874+(623-380)=143×4-183=78×(141-132)=314×3-611=386+287×2=751+389-354=373-(439-189)=669×8=79-(473-394)=454-40=181-41=246-66×2=468×2=72×4=748-(547+181)=112×5+120=420-117=423+444+123=467-454=693+512-433=440×9=87×9-196=688-351=74×8=435+60×5=170+75=139+126×6=653-(58+326)=714+229×3=394-12×3=229×2=439-(31+95)=217+502=92×6-504=129×(376-372)=87×6+433=403-206+173=997-(950-41)=32+(388-274)=419×6-397=402+14-303=226+728-911=276-(80-26)=64+277-148=279×3-460=574-155×2=59×(257-254)=704-37×8=487-233+20=184+310+32=296-13-282=774×7-539=658-92=131×6-338=63×5-46=393+21-135=338-156+28=78×8=81×7=225+247-372=898-135+648=409-(87+168)=205-13×4=903+(816-297)=977-(405+308)=239+386+301=864-(179+224)=866-459=63+(266-126)=977×8=211+273=577-(702-374)=244+740-74=915+250=725-296×2=288+129-199=341-(215-197)=46×7-138=222-85=543-(335-239)=327×(828-825)=751×(936-929)=69×9-95=243+56=244+493=987×3=453×6-258=187-56×2=508×6-575=434+(479-19)=400-277+269=810-(25+433)=167×(203-200)=170×2=263×3+112=390-(313+39)=397-88=178+(334-124)=570-371-122=987-35=851+85×8=299×3=240+14+434=822-(879-387)=347+89+309=820×7=参考答案117+285=402598+646-195=1049279-21=258458-(558-444)=344144-(111+20)=13307+108-410=591+630-52=669332×2+164=828308+120-246=18296×9=864425-(17+367)=41364-(244+94)=26437-167-175=9575-(427-375)=23401+80-254=227259×(884-875)=2331160-37×3=49897-562+222=557487-174-58=255336-(177-46)=205375-13×2=349119×7-191=642309-35=274144×6+414=1278218+289=50718+(970-817)=171433-109-61=263324+411-480=2553/7+4/7=1259-89+48=218532×(329-322)=3724259×(500-497)=777455×2-474=436364-(98+96)=170229-11=21866×(486-483)=198366-139+266=493289+801+259=1349374-(249+51)=74448-(362-235)=321171-97+328=402443-261-61=121317-235=82411-(80+208)=123746×2=1492492-(576-278)=194185+110×2=405396+885+773=2054591+158+180=92925×(196-188)=200863+832+484=2179294+74=368332-137=19513×(484-480)=5287-72+37=52812-30×2=7521/6+2/6=3/6543-(370-72)=245667-321×2=25819-564-53=202581-196-12=373949-(417+352)=180977-442+859=1394472-46=426193-(569-393)=17789-215+31=6054/7-3/7=1/7197+763=96041×(446-442)=16456+408-389=75299-224+164=239227+116=343885-(776-370)=47986×5=430567+(505-214)=85841+507+191=739904×9-694=7442172×4=688659-41×6=41350-12+299=337235+(722-562)=395343-(139+54)=150999-(345+373)=281743-(449+40)=254628+137×5=1313171×2+798=1140213×2=42687+83+135=30511×(354-347)=77109×5=545135×3=405466-465+162=163605+10+486=1101193+118×3=547241×4=964381-(359-164)=186358+(872-287)=943234×2+963=1431827+347-777=397318×3-38=916256+61=317446-169×2=108412-53=359726-44×9=330954-332-488=134271-66-119=86445-77-157=211710-273-178=259483+49×3=630200-45×4=20775-(270+324)=181289-272=17138×2+392=668148+126=27427+(629-164)=49236+386+341=763269-(425-196)=4082×9=73887-55=3295×6+41=611408+78-176=310142×(63-60)=426700+101×3=1003235-29=206200-(18+159)=23147+586=733886×9-646=7328113+105=218127+177=304591×8-596=4132117+331+378=826766-(31+655)=80423-43×8=79344+806+79=1229319+308=627342-10×3=312303-(432-325)=19675×9=675456-(230+141)=8543+248-147=1441/6+3/6=4/6486-88×3=222149×6-131=7635/7-1/7=4/7502+(194-184)=512500-(63+242)=195339×4=1356479-180-87=21255×(125-118)=385274-48×4=82231+54=285619×7-389=3944800-21-564=215296+(443-417)=322187+121-169=139805×4-897=2323364-(36+131)=197388-(135-110)=363355-26=329889-694-192=3808-575+289=522226+(491-157)=560591-197×2=197699-479+485=705655+473-384=744422-(73+17)=332313+98=411576-171-242=163295-238+812=869645-581+624=688478-378=100159+645-180=62412×(392-389)=36196+672+870=1738391-(140+138)=11379+194+890=1163117+(291-263)=145432-65=367824+935-312=1447442+(750-294)=898464-268-163=3363×2=126390-59×5=9535×7=24592×(92-87)=460860-(438+210)=212162-15×4=102349-10-230=10949×2+88=186520+(589-319)=79045×5+491=716332-(80+32)=220148+140=288427+65×6=817212-207+444=449593×(358-353)=296559+235+85=379309-276-13=20910-233-648=29238+363+356=95764+35=99592+696+550=1838630-378=252480-77×4=172555+106×2=767786-193=593832-261=571432×2=864202×(200-197)=606171-166+320=3252/7-1/7=1/71/7+4/7=5/7508+845-367=986280-14=2663/8-1/8=2/8134×(116-113)=402594-321=27336×4+786=930267×3-207=594838-815=23109+(824-350)=583190×3=570495-(116+255)=124398+(344-267)=475248+(872-491)=629100×8-186=614471-(492-89)=6819×(34-29)=95112+368-289=191165+420=585188×5=940521-487+287=321276+(265-76)=46574×7-428=901/6+4/6=5/6718-(248+387)=834/8+3/8=7/8269+225=494981+(746-291)=1436778-465+285=598285-(404-396)=277666×8=532899+108=207566×6=339673-15+151=20965+239=304523+94+215=832532-(321-167)=378104+297×2=698389-(252-169)=306105+529+842=1476290-148=142349-326+412=435697-248=449649-110+558=1097299+183+727=1209606-(267-254)=5934/8-1/8=3/865-(259-250)=56282+(769-206)=845390-(166-165)=3895/10-2/10=3/10620+177+28=825594+655-315=934903-117×4=435733-59×7=320255×(82-79)=76597×(304-300)=388399-262-66=71358+984-570=772177+57=234268-(106+23)=139458-(357-93)=194351-58-152=141374×6-442=180235+15×3=80417×5-317=176850×5+397=647391-23×9=184121+347-27=441271+778-64=985445-(365-122)=202148+71×3=36124×(304-300)=96867-59-235=573121+185=306420+25+11=456158-(313-292)=137197+670+76=943681-538=14369×7+756=1239718-576-46=96735-49×8=343374-100=274160-33×2=94928-840-37=51465-(299-198)=364305×4=1220338+(490-82)=746271-185+216=302315+44+591=950125×(460-455)=625378-22×9=180695+(790-575)=910223×2+113=559300-276=2451×8-359=49161×4=644153+569+268=990160-19×2=122680-452+222=450406+58-32=432166×5+10=840859×2=1718854-457+565=962242-49-178=15162+770+31=96362×9-132=426661+969=1630715-(470-435)=680217+(922-380)=759454×2-152=756678×8=5424104×(162-157)=520327+265+181=773334+(437-15)=756643×(805-801)=2572989-297-72=620386-(329+18)=39879×(469-462)=6153379×(723-716)=2653411+124=535154+(460-378)=236406-313=93468-215-175=78433+175+552=1160429-377+290=34232+326+236=594153+865-60=958229+128=357373×2=746781-(143+421)=21778×6=468806-(832-776)=750866-(503+143)=220132×4+238=766274+720+999=1993325-234=91788+849-293=1344661+383-978=66923-633+346=636376×8-756=2252403+703-426=680401-(196+172)=33421-187×2=47380-18-361=110+787-685=112265+176=441467-57+744=1154385-161-25=199943-70×5=593279×3+137=97422+(473-50)=44537+490+104=631449-229-19=201916×(897-894)=2748139×3+99=516353+50-187=216643-(208+53)=382779-223-158=398474-(902-571)=143749-(539+69)=141390+44-415=19834-748+413=499891-195+101=797899+375+380=1654305×2=610752×(188-179)=6768736+875-503=1108356-212+571=715405-14×4=349109×(416-411)=545814-494-305=1539+314-290=63496-19×5=401940+973+62=1975762-244-421=97881×6=5286738-(450+244)=44276-10=26689+(434-38)=485492-81-328=83878-98+641=1421860+30×7=1070228-10+56=274962+720=1682384-(105+138)=141138-(89+47)=2810-(927-209)=92487-214=2732/8+3/8=5/8485-158+25=3523/6-1/6=2/6601-(284-49)=36637+200×3=637928-522=406324×4=1296888-444=444497-99-340=58451-(176+74)=201174-36=138164+497=661376×9-455=2929260+(415-57)=61850+240×3=770486+(495-296)=6853/6+2/6=5/6924+403×2=1730489-238-75=176495-82×2=3312/5-1/5=1/533×5-20=145267×2=534353×2+201=907467+(434-39)=862420×(510-504)=2520881-306=575414×2-156=67212+46=58957+(119-20)=1056627×6-818=2944446-(312-222)=35625×6=150675-(163+477)=35730-94×2=542604×9-11=5425133+(78-72)=139910+565=1475215×7-667=83854×(453-446)=378462-(297-127)=292752-475-240=37233+552+824=1609381-(635-622)=368826-(826-705)=705180+275=455433+162-279=316439+(436-358)=51755×3+92=257478-176=302682+(991-639)=103481×9-526=203340-180=16011+61×3=194472+862=1334411-36×5=231336-(49+129)=158172+87=259344+146-36=454502-50-72=380481+540-898=123961×8=7688216-107-89=20544-81+634=1097930-(291+132)=50713+442×2=897430-(787-602)=245353×(760-757)=1059725×8-53=5747936+(925-117)=1744255+953+600=1808352-321+164=195176+51+320=5474/10-2/10=2/10153×3-84=37544×(49-42)=308238×3+39=75374×(386-378)=592331+299+116=74668+166=234435-260+197=372477-32×3=381247+85+168=500346+23-66=303114+543+322=979630×(549-545)=2520810+205=1015693-235×2=223136×(274-268)=816947-107=840366-46×6=90437-107-275=55445-279-150=16471-71×2=329349-(872-779)=256312-(27+55)=230210+166-204=172826+(793-122)=1497539+751+950=22404/6-1/6=3/6196+110×2=41633+(269-209)=93128-36×3=2078+277-308=47661-(102-19)=578248+(242-229)=261722-(887-859)=694478-456+346=368133×6-580=218127-(395-288)=20216×4=864660-171+73=562346-136-152=5854×4=216266+32×3=362977-194-461=32292×4=36886-(304-260)=42488-111-76=3012/10+7/10=9/10949-117-738=94366-157×2=52209-189+127=147979-(465-83)=597153+263-262=154473-22-19=432660+(727-700)=687377-31-186=160599-92-170=33751×8+323=731782-439=343375+26+471=872963-313-310=340430-(102+285)=43934-308-382=244367-334+274=307383-144+565=804307+(126-113)=320396-25×5=271499-427+391=463204+459+753=1416529+784=1313383-41-32=310631+(972-537)=1066938-204×2=530366-128+192=430312+605=917176×5-488=39253+153=206873×8-382=660249+169=218259+198+428=88578-44=34462×2=924886+(649-266)=1269682×(977-974)=2046267×3-483=318973×5=4865475-205×2=65196+155=351444-(32+57)=355122×8=976558-316=242461×4=1844444-(478-60)=2682×4=328275+13×7=366926-(719-545)=752398×2-211=585361-292+278=347165-75+54=144859-186×2=487629-(624-127)=13268+133=201410+(245-89)=566196+708+185=1089146×(66-59)=1022367-259-47=61489-23-157=309148×(48-44)=592726×(516-513)=2178321+(191-68)=444557-270+630=917345-21-194=130954-83×8=290254+96=350806-112×6=13425+264+585=874618+594-671=54145×2+58=148143+61=204351-118+221=454172+88-176=84715+227+128=1070183×(100-93)=1281812+453-86=1179509-219=290395-204+55=246540+491+212=1243319×(644-639)=159589×9+206=100757+354-379=32671-592+647=726788-(443+306)=39737×6=4422388×(258-252)=2328224×4=89637+334-66=30555+(416-57)=414885+(796-341)=1340911-311-386=214584-222=362902×3-308=2398163+274=437379-(29+160)=19092+47=139765+227+516=1508733+626-314=104570×6+556=976690+626=1316724×5-908=2712192+(415-332)=275450-71×5=9524×(205-199)=144853-739=114370+(446-107)=709207×(962-958)=828384-60×3=204261-100+134=29543×(62-55)=30157+223=280145×5+147=872408-(469-460)=39959×4-149=87372+413=785421-(455-451)=417252+(415-157)=510143+(901-623)=421319-279+270=310536×8-167=41214/7+3/7=1904-(37+225)=642109+98+751=958310+(288-179)=419601×2-405=797993-113×8=89937-569-168=200690×(949-944)=3450234×(69-63)=140477-12×4=29436+936+690=2062203-(445-372)=13097+118=215256+191-421=26154+245=399728+278-760=246411+55-377=89240+11×5=295182-77×2=281/3+2/3=1348+(134-81)=401338+97=435368-(426-379)=321235+509-446=29891-25-16=50844-230-54=560362-185+309=48691×3=27382×5+181=591240-(171+11)=58340-(37+60)=243351+48×3=495198×(82-77)=990222-(292-78)=8413-(110+92)=211159-(161-32)=30594+(358-276)=676290+(652-176)=766344+433-77=700612+482=1094721×3-430=1733217+(330-263)=284761×(353-349)=3044362-29=333709-293×2=123215+617+42=874220×9-308=1672744-180×3=204352-40×4=192226+600+643=1469376-332=44715+255×3=1480277×9-392=2101978×(327-319)=7824668×6=400889-77=12133+84×7=721666-502=16476×4+217=521360+51×4=5643/7-1/7=2/7346-61×4=102443-31=41231+293-231=9350+206+440=696293-(683-600)=210304-(329-228)=203305+164-47