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844-297-515=365+(465-264)=27×6=271+325-15=839-89-363=347×2-664=242-110-67=855×(911-902)=498-41×3=113+275-230=437-321-15=390×2-199=130×6-207=285-176+129=209×(136-132)=449+419+51=246-235=709×4=942-693+358=398-(377-257)=126+94=120×(315-307)=115×3=299-100-86=208+107=920×7=474×2-303=880-(577-195)=543×(845-838)=66+16+799=5/10+3/10=311×(364-361)=485-(244+77)=413-15=109×9-464=400×2=361-40×6=197+747-397=761×9=426-185-58=470-68-365=443-(169+84)=928-79×6=451+254×2=375-162=318×2+230=19+12+804=897×4-81=127×(399-395)=257×7-294=400×2-92=211+134-344=729×8=182×3-205=56+367+17=389-31-348=835+291=932-625=164+480=143×8=808-(26+557)=496-(900-894)=443-210-126=930-(187+730)=766-282-45=444+192×5=420-(87+187)=138-15×3=480-250+17=341-204+34=386×2-750=273-46+149=88+(297-24)=158×(748-739)=183×(560-553)=57×5+207=136+563-82=366+(107-81)=495-250+840=923+412+133=610+(613-245)=36×8+259=377-98+47=414-(167+100)=829×3=44×5=160×6-855=17×4+311=265+66=511-250=104-(53+10)=12+68=3/7-2/7=668-256=279-78-104=289+532+900=62+312-79=307+159=192+(312-46)=303+(692-67)=417-195-190=829-304=276+188+506=943+990-198=32×(67-61)=812×(357-354)=25+204-11=54+285=84+80=305+(460-26)=363×2+109=166×3=65+398-77=287×2-190=974×(577-572)=514+690-694=357-156-121=320+109=708+368-546=487×(662-656)=965×(664-656)=260+80+639=594-25×3=32×5+400=909-(911-382)=108×(386-377)=479-(267+189)=375+30×8=588+277+88=814+(387-217)=221×(307-303)=320×(52-49)=892×6-830=835+674-613=269+389+71=195-(25+142)=568×4-760=370-205=491-(401-183)=105+145=350+152×3=1/6+4/6=40+837-81=70×5+547=640-167-213=556+162+63=462-49×2=73×7-134=209+128=327-218-75=221×9-941=394-(112+90)=102×6=600×5-486=404-(292+79)=40×8+49=169+238=5/8-2/8=790-(277+442)=230+581-704=117+40=818-77×2=332+77×2=95×8+883=422-(75+334)=917-(340+346)=145-33=501-104=529+17+533=494+65×2=40+(266-168)=608×5=256-32×5=127×7=274-(341-195)=489×4-729=212+249×2=332-279=801-749+459=168+225-53=110+581+651=370-(365-147)=301+938-170=144-95+352=869+(411-337)=255×2+393=909×8-531=130+229-215=396×5=4/7+2/7=552×3=3/6+2/6=371-136×2=200+295-69=993-275-545=229×2=145+82=433-(227-47)=183+(585-435)=808-603=100×(193-187)=331-(57+46)=695-(326+343)=188+494=815-152-471=352+(364-147)=94+318-224=321-221+421=752-213+903=558-218-59=934-93×8=466-265+214=46+250+806=118+(709-583)=262-121+298=641+(404-131)=78×(242-236)=598×(326-318)=341-(130+22)=56+359-177=212×4=507×9=224-(112+45)=281-69=42+(190-139)=601+331+14=441-(485-252)=328+57-169=626+272+498=766-50+98=380-89×4=209+267=4/10-1/10=11×6=420-75×4=319-92×3=118×3+135=70-24+195=11×(487-479)=80×(280-277)=39+414+111=926-90=189-69+112=175-16×6=214+107=128+276-69=214+(626-517)=585+318+29=998×(736-731)=969-450=158+154+535=810-496=3/8+2/8=155-84=329-259=359-(260-46)=270×2=146×5-524=95×6=120×6-561=846-(122+284)=325-75×3=751×2-304=336×4=743-(748-334)=846-92-161=346-31=603-478-105=171+(416-391)=327-(60+137)=710-567=821-(698+57)=275-(14+76)=715+534+97=960-28=100×8=213-25+94=5/7-1/7=485-197+177=407-82×2=441-(127+53)=38×9=489-232×2=814-94×6=784×7-433=254×2=675+(412-213)=3/9+6/9=452-(69+262)=403-17-182=324+689-714=108×3+299=339-(437-264)=437-331+83=892+(877-217)=785+(644-155)=778×(180-176)=854-(581-131)=124-10+339=100+174=956-(761+183)=965-171-164=352-59-127=882-(224+263)=410-28×6=273-(149-67)=600-135=740-(961-282)=214-56×3=581-(640-549)=77+(494-130)=35+382-337=237+32×3=111×6-192=164-99=642-193×2=650-246-137=759-647=227×5=766+954-551=485-(303-71)=350-67×2=882×9=132+246-332=163×3+116=841-(546+223)=2/8+3/8=972-(319+318)=316+486+351=162×5-470=759+(797-414)=484-246-22=29+171+443=1/8+3/8=205+142=32-(22-16)=243×(140-137)=468-(291+174)=464+336+59=359+686=473-(352-260)=84+845+279=280-267=58×4-15=649-(965-642)=950-(117+313)=638-(588-184)=401-114-67=493+28×8=479-(22+343)=706-(844-348)=885×9=389×3-707=712-(458+200)=75×(289-281)=112×(363-355)=667-597+879=68×5-28=132×3=444-103-332=258×(333-330)=549+435+253=413-321=400-186-153=338+284+87=332-173+638=65+557+931=133-16+102=243-(469-292)=556×7=54×(393-388)=279-161+514=459-(368-195)=188+428=403-146-250=362-(48+255)=129+35×8=731-403-31=69×(329-323)=93×(319-311)=286-178=3/5-1/5=196-186=366-225-54=188+336=5/10-3/10=294×2=97+53-149=704×(924-918)=469+(90-14)=284-(103+40)=45+245=142-15+365=583+221=380+102-229=67+112+604=2/5-1/5=131-131+361=868+869+412=993-799+919=744+791=480-329-73=230×(845-842)=181-(111-55)=35+244-83=623+636+319=947+950=89×9=48×8+725=279-203+396=132×6-404=185+81-187=171×5-508=684+128=293+394=104×4-181=449-151+49=45×(133-125)=100×4+301=166×(223-220)=254×3+578=522+176-492=121+(441-301)=254+225×3=684×3=386-129=498-(40+26)=306-(80-77)=270-35×6=312+241=919+28-365=639+41×3=185×9=150+(728-82)=205+(340-82)=431-57+213=391-(350-58)=403-218+244=157+912+141=67+405-283=6/10+2/10=837-(780-257)=240+340=347+97=460-(949-560)=382-143×2=661×8-329=991+324-211=750×6-624=330-45=148×2=994-571-304=174×3+918=479-(354-318)=278-112-129=810+872+524=26+916-388=230+(868-57)=804-(355+208)=849-628+238=11×2+225=153-(293-204)=479-(334+41)=754+19+10=237+491=128-28×2=451-79×2=95×(231-226)=105×5-226=362-97+956=210-39×4=922+208×3=432+339-703=112×(394-389)=181-15-49=35+104×2=480+(360-176)=535-38×9=98+263-235=322+242-166=203+(90-40)=413+(353-287)=345-65×2=299-(883-632)=224+265-148=524-193-235=416×2-275=406-38=610-198-142=205-(57+45)=374+119=331+122-99=4/8+3/8=249-(422-406)=782×6-296=717-408-149=474-36×3=513+110+225=435×2=475-325+12=312-162+99=609-488-82=65×6=138+196×3=424-46×7=827-692-41=378-(30+323)=402×2-265=70-31+65=416×(343-340)=106×6=303×(448-445)=437-88=107+151=452+808-474=4/7-1/7=544-98=480-48+17=53×(404-401)=367-58×4=162+14+715=356×5=186-10×4=142-(466-372)=418×2=977-(461+275)=736×7-717=639+297=147+(223-107)=352-32×5=546-(308+184)=233-(418-205)=383+(250-36)=405×(343-334)=413+78-399=251+(856-399)=5/8-1/8=466-224=920+65×2=497-448+788=446×2-411=385-247=465-68×4=33+169=425×2-592=656-218-90=579-(170-10)=14+53+852=491-255-25=280-(891-825)=146+319+966=500-234=390-24×3=76×9=7/10+3/10=111+198=323+112=701-(65+392)=596×(441-438)=49+21×3=336-287+136=449-308-99=454+(198-121)=322-17=444-(194+87)=262+122-109=707+50+61=158×5-241=391-(248-49)=494-42×5=366-150-177=163+(518-164)=236×2-216=106+67×3=809-197×2=371+76×2=779+955+82=146+217=711+348+592=277×2-331=432+(284-96)=424-224+235=119+151=398-313+263=732+744-328=659+337-153=50×2+530=935-(294-24)=102+109=298×2-422=316-33=310-135-70=404-(279-168)=983-414+693=346-(340-103)=217×3=170-(402-341)=363-196-19=365+50-401=209×2+996=300×3-129=156×3+968=381+331+46=76×8-375=325-279-22=828-(982-717)=216+(910-718)=300×3-289=314+96=832-(140+40)=343-(425-239)=951-(390+47)=147×2=75×(351-343)=175+641+589=259-42×2=661-24×7=658-(425+194)=92+(829-523)=155-(43+73)=15+243-123=349-74=343-(152+27)=172×5+378=21×(353-344)=939-(529-348)=50-13=868×(482-475)=401+51-366=2/4-1/4=54×5=336×2-198=384-(454-372)=824-331+576=154+191=209+745-179=373+10×5=435-204=68×2=913-165=332-14+862=264×3=310+405=659+159+232=246×8=505-444=451+(363-282)=305-27×9=103+356=853-244-250=498-406+14=438+688+255=387-104-30=471-292=618-38×2=724-486=930-295-263=150+58=231+339+87=258×4=429-384=31×(414-407)=744-286=174+60=970-(947-227)=131-24×2=490×6=227-12=356-(312-26)=308-(94+100)=53+959-931=813-387+133=814-(475+88)=618+856-646=300-113=234+84×6=237+(948-610)=361+114×2=721+(58-29)=935-(758-203)=817-(226+522)=65+21+794=315-27×2=841-(71+501)=945-(312-150)=836×(396-392)=670+297-345=107+61×4=209+(850-283)=493-30+685=357-(204-16)=634×(968-959)=675+(899-858)=107×2=650×(586-579)=239+(479-257)=106+157=91+493+19=890-844-28=495-22×7=300-121-136=446-160-145=588+202=371×(448-445)=237-31×4=853-(590+130)=796+(939-753)=247+147×6=394-37=655×6-770=80+190=895+630+936=139+140-262=841×7=320+51×3=884+340=430+(418-100)=395-(192-46)=630+865+611=494-241=109+233-305=58+(178-47)=366+129×6=737-208+468=268+120=842-(436-166)=511-388=172+988+882=875-511+754=184×4=420-(46+209)=403-(304+12)=118+(347-181)=940-(82+835)=429-18×9=499-221×2=83×9+29=597×6-914=236-(60-36)=814-(955-345)=206×3-324=460-51×9=458×2+296=669-12+429=763-422+304=574×(343-335)=900-34-608=40+714+201=94+502=249-17×8=308-231+31=105+662+115=757×3-507=510+(795-280)=359×9=684-90×5=374+370-147=333-38×8=212×(418-409)=253-103×2=394-240-147=12×6=460×2-885=66+248-221=140×5-397=904-(103+660)=807+552+163=186+(387-148)=139-128+359=771-(452-84)=913+28×6=566×9-793=960-(376+287)=224×(936-929)=895-388×2=92+507=363+(419-297)=27+66+291=69×3+194=525×5-171=497-17×2=364-140=28×2+390=108×4-226=421-200-45=839+235+939=156+496+87=510-65×4=42×7+370=461-(386-126)=22×2+231=612-129×2=1/5+3/5=645×(350-343)=398-338+145=246×(160-157)=754×2=159×2=969+99-379=609+180+93=159+(420-353)=672+(536-144)=860-94-438=472-(234-180)=694-42=127+235=496-333-149=944+735+744=956-933=17×7+29=371+(497-29)=447+81×3=251×3=160+88×2=268+(304-189)=126×(289-283)=942-281=2/8-1/8=368-256+78=482+(455-409)=764-123×2=188+(827-470)=631-499=369-(21+308)=164-21+79=407×2=855+48-448=513+245+141=311-12×4=358-217=252+108=561×(366-362)=222×5-401=996-132=719-358×2=75+243-81=917-731+310=130+156=368+84-89=256×3+577=417-178+745=398-310+92=780×4-468=863-(92+746)=609×5-509=460+(184-129)=246-110+183=130+(361-80)=522-(636-219)=862×(567-563)=664-(99-14)=5/10-2/10=597+940=840-163-76=903-297=448-145-246=741+250×3=80×(290-282)=95+313+287=72×(434-429)=159+(392-342)=656×(947-942)=358+77=66×2=参考答案844-297-515=32365+(465-264)=56627×6=162271+325-15=581839-89-363=387347×2-664=30242-110-67=65855×(911-902)=7695498-41×3=375113+275-230=158437-321-15=101390×2-199=581130×6-207=573285-176+129=238209×(136-132)=836449+419+51=919246-235=11709×4=2836942-693+358=607398-(377-257)=278126+94=220120×(315-307)=960115×3=345299-100-86=113208+107=315920×7=6440474×2-303=645880-(577-195)=498543×(845-838)=380166+16+799=8815/10+3/10=8/10311×(364-361)=933485-(244+77)=164413-15=398109×9-464=517400×2=800361-40×6=121197+747-397=547761×9=6849426-185-58=183470-68-365=37443-(169+84)=190928-79×6=454451+254×2=959375-162=213318×2+230=86619+12+804=835897×4-81=3507127×(399-395)=508257×7-294=1505400×2-92=708211+134-344=1729×8=5832182×3-205=34156+367+17=440389-31-348=10835+291=1126932-625=307164+480=644143×8=1144808-(26+557)=225496-(900-894)=490443-210-126=107930-(187+730)=13766-282-45=439444+192×5=1404420-(87+187)=146138-15×3=93480-250+17=247341-204+34=171386×2-750=22273-46+149=37688+(297-24)=361158×(748-739)=1422183×(560-553)=128157×5+207=492136+563-82=617366+(107-81)=392495-250+840=1085923+412+133=1468610+(613-245)=97836×8+259=547377-98+47=326414-(167+100)=147829×3=248744×5=220160×6-855=10517×4+311=379265+66=331511-250=261104-(53+10)=4112+68=803/7-2/7=1/7668-256=412279-78-104=97289+532+900=172162+312-79=295307+159=466192+(312-46)=458303+(692-67)=928417-195-190=32829-304=525276+188+506=970943+990-198=173532×(67-61)=192812×(357-354)=243625+204-11=21854+285=33984+80=164305+(460-26)=739363×2+109=835166×3=49865+398-77=386287×2-190=384974×(577-572)=4870514+690-694=510357-156-121=80320+109=429708+368-546=530487×(662-656)=2922965×(664-656)=7720260+80+639=979594-25×3=51932×5+400=560909-(911-382)=380108×(386-377)=972479-(267+189)=23375+30×8=615588+277+88=953814+(387-217)=984221×(307-303)=884320×(52-49)=960892×6-830=4522835+674-613=896269+389+71=729195-(25+142)=28568×4-760=1512370-205=165491-(401-183)=273105+145=250350+152×3=8061/6+4/6=5/640+837-81=79670×5+547=897640-167-213=260556+162+63=781462-49×2=36473×7-134=377209+128=337327-218-75=34221×9-941=1048394-(112+90)=192102×6=612600×5-486=2514404-(292+79)=3340×8+49=369169+238=4075/8-2/8=3/8790-(277+442)=71230+581-704=107117+40=157818-77×2=664332+77×2=48695×8+883=1643422-(75+334)=13917-(340+346)=231145-33=112501-104=397529+17+533=1079494+65×2=62440+(266-168)=138608×5=3040256-32×5=96127×7=889274-(341-195)=128489×4-729=1227212+249×2=710332-279=53801-749+459=511168+225-53=340110+581+651=1342370-(365-147)=152301+938-170=1069144-95+352=401869+(411-337)=943255×2+393=903909×8-531=6741130+229-215=144396×5=19804/7+2/7=6/7552×3=16563/6+2/6=5/6371-136×2=99200+295-69=426993-275-545=173229×2=458145+82=227433-(227-47)=253183+(585-435)=333808-603=205100×(193-187)=600331-(57+46)=228695-(326+343)=26188+494=682815-152-471=192352+(364-147)=56994+318-224=188321-221+421=521752-213+903=1442558-218-59=281934-93×8=190466-265+214=41546+250+806=1102118+(709-583)=244262-121+298=439641+(404-131)=91478×(242-236)=468598×(326-318)=4784341-(130+22)=18956+359-177=238212×4=848507×9=4563224-(112+45)=67281-69=21242+(190-139)=93601+331+14=946441-(485-252)=208328+57-169=216626+272+498=1396766-50+98=814380-89×4=24209+267=4764/10-1/10=3/1011×6=66420-75×4=120319-92×3=43118×3+135=48970-24+195=24111×(487-479)=8880×(280-277)=24039+414+111=564926-90=836189-69+112=232175-16×6=79214+107=321128+276-69=335214+(626-517)=323585+318+29=932998×(736-731)=4990969-450=519158+154+535=847810-496=3143/8+2/8=5/8155-84=71329-259=70359-(260-46)=145270×2=540146×5-524=20695×6=570120×6-561=159846-(122+284)=440325-75×3=100751×2-304=1198336×4=1344743-(748-334)=329846-92-161=593346-31=315603-478-105=20171+(416-391)=196327-(60+137)=130710-567=143821-(698+57)=66275-(14+76)=185715+534+97=1346960-28=932100×8=800213-25+94=2825/7-1/7=4/7485-197+177=465407-82×2=243441-(127+53)=26138×9=342489-232×2=25814-94×6=250784×7-433=5055254×2=508675+(412-213)=8743/9+6/9=1452-(69+262)=121403-17-182=204324+689-714=299108×3+299=623339-(437-264)=166437-331+83=189892+(877-217)=1552785+(644-155)=1274778×(180-176)=3112854-(581-131)=404124-10+339=453100+174=274956-(761+183)=12965-171-164=630352-59-127=166882-(224+263)=395410-28×6=242273-(149-67)=191600-135=465740-(961-282)=61214-56×3=46581-(640-549)=49077+(494-130)=44135+382-337=80237+32×3=333111×6-192=474164-99=65642-193×2=256650-246-137=267759-647=112227×5=1135766+954-551=1169485-(303-71)=253350-67×2=216882×9=7938132+246-332=46163×3+116=605841-(546+223)=722/8+3/8=5/8972-(319+318)=335316+486+351=1153162×5-470=340759+(797-414)=1142484-246-22=21629+171+443=6431/8+3/8=4/8205+142=34732-(22-16)=26243×(140-137)=729468-(291+174)=3464+336+59=859359+686=1045473-(352-260)=38184+845+279=1208280-267=1358×4-15=217649-(965-642)=326950-(117+313)=520638-(588-184)=234401-114-67=220493+28×8=717479-(22+343)=114706-(844-348)=210885×9=7965389×3-707=460712-(458+200)=5475×(289-281)=600112×(363-355)=896667-597+879=94968×5-28=312132×3=396444-103-332=9258×(333-330)=774549+435+253=1237413-321=92400-186-153=61338+284+87=709332-173+638=79765+557+931=1553133-16+102=219243-(469-292)=66556×7=389254×(393-388)=270279-161+514=632459-(368-195)=286188+428=616403-146-250=7362-(48+255)=59129+35×8=409731-403-31=29769×(329-323)=41493×(319-311)=744286-178=1083/5-1/5=2/5196-186=10366-225-54=87188+336=5245/10-3/10=2/10294×2=58897+53-149=1704×(924-918)=4224469+(90-14)=545284-(103+40)=14145+245=290142-15+365=492583+221=804380+102-229=25367+112+604=7832/5-1/5=1/5131-131+361=361868+869+412=2149993-799+919=1113744+791=1535480-329-73=78230×(845-842)=690181-(111-55)=12535+244-83=196623+636+319=1578947+950=189789×9=80148×8+725=1109279-203+396=472132×6-404=388185+81-187=79171×5-508=347684+128=812293+394=687104×4-181=235449-151+49=34745×(133-125)=360100×4+301=701166×(223-220)=498254×3+578=1340522+176-492=206121+(441-301)=261254+225×3=929684×3=2052386-129=257498-(40+26)=432306-(80-77)=303270-35×6=60312+241=553919+28-365=582639+41×3=762185×9=1665150+(728-82)=796205+(340-82)=463431-57+213=587391-(350-58)=99403-218+244=429157+912+141=121067+405-283=1896/10+2/10=8/10837-(780-257)=314240+340=580347+97=444460-(949-560)=71382-143×2=96661×8-329=4959991+324-211=1104750×6-624=3876330-45=285148×2=296994-571-304=119174×3+918=1440479-(354-318)=443278-112-129=37810+872+524=220626+916-388=554230+(868-57)=1041804-(355+208)=241849-628+238=45911×2+225=247153-(293-204)=64479-(334+41)=104754+19+10=783237+491=728128-28×2=72451-79×2=29395×(231-226)=475105×5-226=299362-97+956=1221210-39×4=54922+208×3=1546432+339-703=68112×(394-389)=560181-15-49=11735+104×2=243480+(360-176)=664535-38×9=19398+263-235=126322+242-166=398203+(90-40)=253413+(353-287)=479345-65×2=215299-(883-632)=48224+265-148=341524-193-235=96416×2-275=557406-38=368610-198-142=270205-(57+45)=103374+119=493331+122-99=3544/8+3/8=7/8249-(422-406)=233782×6-296=4396717-408-149=160474-36×3=366513+110+225=848435×2=870475-325+12=162312-162+99=249609-488-82=3965×6=390138+196×3=726424-46×7=102827-692-41=94378-(30+323)=25402×2-265=53970-31+65=104416×(343-340)=1248106×6=636303×(448-445)=909437-88=349107+151=258452+808-474=7864/7-1/7=3/7544-98=446480-48+17=44953×(404-401)=159367-58×4=135162+14+715=891356×5=1780186-10×4=146142-(466-372)=48418×2=836977-(461+275)=241736×7-717=4435639+297=936147+(223-107)=263352-32×5=192546-(308+184)=54233-(418-205)=20383+(250-36)=597405×(343-334)=3645413+78-399=92251+(856-399)=7085/8-1/8=4/8466-224=242920+65×2=1050497-448+788=837446×2-411=481385-247=138465-68×4=19333+169=202425×2-592=258656-218-90=348579-(170-10)=41914+53+852=919491-255-25=211280-(891-825)=214146+319+966=1431500-234=266390-24×3=31876×9=6847/10+3/10=1111+198=309323+112=435701-(65+392)=244596×(441-438)=178849+21×3=112336-287+136=185449-308-99=42454+(198-121)=531322-17=305444-(194+87)=163262+122-109=275707+50+61=818158×5-241=549391-(248-49)=192494-42×5=284366-150-177=39163+(518-164)=517236×2-216=256106+67×3=307809-197×2=415371+76×2=523779+955+82=1816146+217=363711+348+592=1651277×2-331=223432+(284-96)=620424-224+235=435119+151=270398-313+263=348732+744-328=1148659+337-153=84350×2+530=630935-(294-24)=665102+109=211298×2-422=174316-33=283310-135-70=105404-(279-168)=293983-414+693=1262346-(340-103)=109217×3=651170-(402-341)=109363-196-19=148365+50-401=14209×2+996=1414300×3-129=771156×3+968=1436381+331+46=75876×8-375=233325-279-22=24828-(982-717)=563216+(910-718)=408300×3-289=611314+96=410832-(140+40)=652343-(425-239)=157951-(390+47)=514147×2=29475×(351-343)=600175+641+589=1405259-42×2=175661-24×7=493658-(425+194)=3992+(829-523)=398155-(43+73)=3915+243-123=135349-74=275343-(152+27)=164172×5+378=123821×(353-344)=189939-(529-348)=75850-13=37868×(482-475)=6076401+51-366=862/4-1/4=1/454×5=270336×2-198=474384-(454-372)=302824-331+576=1069154+191=345209+745-179=775373+10×5=423435-204=23168×2=136913-165=748332-14+862=1180264×3=792310+405=715659+159+232=1050246×8=1968505-444=61451+(363-282)=532305-27×9=62103+356=459853-244-250=359498-406+14=106438+688+255=1381387-104-30=253471-292=179618-38×2=542724-486=238930-295-263=372150+58=208231+339+87=657258×4=1032429-384=4531×(414-407)=217744-286=458174+60=234970-(947-227)=250131-24×2=83490×6=2940227-12=215356-(312-26)=70308-(94+100)=11453+959-931=81813-387+133=559814-(475+88)=251618+856-646=828300-113=187234+84×6=738237+(948-610)=575361+114×2=589721+(58-29)=750935-(758-203)=380817-(226+522)=6965+21+794=880315-27×2=261841-(71+501)=269945-(312-150)=783836×(396-392)=3344670+297-345=622107+61×4=351209+(850-283)=776493-30+685=1148357-(204-16)=169634×(968-959)=5706675+(899-858)=716107×2=214650×(586-579)=4550239+(479-257)=461106+157=26391+493+19=603890-844-28=18495-22×7=341300-121-136=43446-160-145=141588+202=790371×(448-445)=1113237-31×4=113853-(590+130)=133796+(939-753)=982247+147×6=1129394-37=357655×6-770=316080+190=270895+630+936=24