三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦

三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦450-43×9=461-216=402-330+125=335+195×3=917-866=417-167-248=156+327=743×(936-929)=130×7+29=496-(320+175)=347-50=257×3=85+(780-244)=22×6+353=193-139=763-271×2=193+599=25×(245-238)=208×(358-354)=103+17×2=79+38=97×5+76=689×8=858-(403-336)=158-121=127+249-324=325+(999-825)=391-(23+63)=798+679-256=496+13+380=354-105×2=483-(43-14)=441-189=658+338=398-(186+64)=357-264-93=728×7-424=848-(440+238)=460-(489-237)=61+281+10=423-10×8=710-418-31=474-69=135×7-417=866-(66+590)=2/7+3/7=273-180-80=373-64×3=140+150=148×7=312×(406-403)=31×4=410+710+998=526-(447+59)=79+(256-69)=166-64×2=130+292=136-36+240=343-10×9=656+54×6=592-19×7=759-87-425=919-(17+145)=58+428+400=313-(111+105)=251×3+151=238×(308-305)=577-287=648-73×2=399-(347-206)=1/8+2/8=123-12=288×2-375=749+892-269=634-34+464=16×3=465+302+171=471+961-112=158×2=861-(267+475)=978-648-271=459-253=176×5=192+301=20×3+484=916-(843+22)=4/8-1/8=296+(165-68)=297×2-533=459+(937-879)=488+(237-86)=169×4+899=309+46-124=160+(467-346)=269-(96+26)=180+910=31+167=614+(570-477)=927-167-150=542-462=478-125×3=145+(418-124)=384-71=402×2-260=828-(454-169)=353+160×2=424×6-929=813-339=757-60-532=904+412+876=242+124=464+269=218-(284-133)=363-285+98=50×3=638×(549-540)=256-15-15=445-(427-149)=616+(584-42)=352+(388-96)=485-285=907-251=471×8=503×(943-937)=684+674+513=101×(144-137)=790+83×4=823+821-323=480-106×2=190+49=284+34+539=382+116-125=328+65=562-223+107=904×3=939+(779-135)=517-215-195=345×2-633=356×7-873=614+220=626+13+954=798-796+98=206-10×5=135+281=414-315-58=609×3=71×(38-31)=76+269-58=469-(483-434)=801-379+538=881-87×9=324-31=820-539+456=330+422+247=835-(25+622)=344+92-288=507+(482-37)=891-452=914-140×2=429+(383-76)=272-(54-30)=332+91-84=378-30×2=758-98-403=180+123+447=71+192-100=285×3-820=451-(265-216)=451-289+967=997-(261+617)=25+14=736-159=691-556=610×(691-688)=543×3-781=456-(119+225)=890-738=127-15×2=391-227=544+330-263=70+(843-520)=374+366+111=236+(192-153)=320-93+76=301+96-143=615-78-224=444-380+287=155+(117-109)=911×(210-204)=224-117-83=331-102×3=266+101=648-(91+181)=275×2=412-(168+68)=491-(70+130)=223-(17+196)=865×4=5/8-3/8=757-157×4=317-(145+111)=139×2=212×5-540=515×7-81=3/6-2/6=301×3-514=361+(487-192)=416×5-471=741-489+666=345-33×2=70×5=138×6=76+120=212-177+159=484-(416-226)=896-(246+590)=124+242-196=800+253-14=54×(348-342)=987+294×2=667+708-757=771-(483+91)=253×(13-10)=898×3-390=661×4-182=290-218+770=881-24×4=34×(98-95)=144+805+833=125×4-265=779+(877-416)=1/3+2/3=329+75=846-406-298=902×(304-297)=22×(336-331)=362+135=578-(666-204)=632+797-368=310-79-129=462-147-35=945-16×2=495-56×4=462+137+401=747-(938-258)=186+185×4=323×3-360=734×(67-64)=637×(604-596)=264-18×3=763+(872-562)=426-(363-130)=746-(444+277)=398+254+482=11+(425-115)=771-438+909=294-263+417=67+71×9=2/6-1/6=331-(519-228)=960-729-134=213×(182-179)=457-32=105×(220-212)=645+(449-297)=420×2=1/6+5/6=10+(227-223)=325×(272-266)=918-(806+97)=769-464-53=306-(18+160)=652-497=213+80=330×(144-141)=496×3-570=377-18×2=122×2=191-189+35=707+773+874=444-(474-456)=154×4=249-172=612+376-114=432+213+928=128+133×4=300-129-160=968-(546+47)=593×(623-617)=492+(253-53)=339×2+438=1/6+2/6=239+247-372=880+782-865=761-(548-413)=789+(324-24)=434+97+371=346+135-62=837-171-524=278-(399-268)=275×(943-940)=53+(433-55)=264×4-271=28×7+456=818×7-514=463-56×8=411-396+202=266-(306-156)=427-(158-135)=469+54+470=983+723-415=384+75-60=161+73=56×7-61=321-(13+220)=996-409-113=66×4-260=334+114=942-718+22=249+269×2=348×2=236+185=376-19×4=842+690+465=16×7-110=204-136=674-650+706=20+(414-246)=457-(240-18)=389+21-30=87+926+140=399-(39-19)=424×2+104=836-355-477=105-(291-225)=395-60×3=829+223+238=454-243+46=436-(69+248)=70×4=220+16×9=139×2+206=59×6=899+119×3=305+(686-155)=194+236=260+85=825×6=382×6=15+33×5=766+926+982=14+84×4=68×7-142=13+342-154=425+(216-171)=880+857-244=841-(706+112)=520-57×9=156+251-174=851-528+32=900+314=150+58=399-325=163×5-339=109-48=417×(194-185)=426-(177+220)=211-67×3=803+39×5=466-(78+274)=24+86×6=428-11×4=481-305=155+214=178-(385-249)=17+107+518=201-66+392=424-239-29=148-15-12=608-(469-221)=812+853=425×2+36=391-108×2=285-238+226=502+411-603=301-148-59=330×7-231=400×2=253×7-441=180+311=176+305×2=318-246=717-96=141+(792-240)=140×(374-366)=350-337+124=26×5+364=565+243+505=404-95×2=247+523=308-(69+228)=3/5-1/5=646-(142+271)=529-(971-682)=52×6+382=40+80+685=3/5+2/5=103×(260-253)=835-147-442=923+566=302×2+810=242×3-438=666-125-228=83+208-21=485-(326+144)=124+631=203-29×5=128+226=95×(123-119)=282-(75+11)=235+53=2/4-1/4=442+871-84=49+102+313=70×5+118=110+285=487-(36+279)=173×2=967-(60+640)=428-232=862-(101+287)=405-(230+48)=427-99×2=452-359+381=513×8=236×6-763=457-171-267=68×9-41=768+(591-552)=57+198+161=132+352-109=715-473=73×5-212=486-323-36=982-308-179=378-229-29=111-57+115=84+671-599=47×(23-17)=404+262+151=69+728+298=800×9-605=157+(307-291)=857×(622-613)=154+215=139+382+397=24×6+122=480+316-432=376+(279-259)=395-201=91+425+305=853-101=127+335=849-674=466+(459-314)=236×(301-298)=244×7=233+84=98+132-157=61×2+757=258-54=992-287×2=769+(759-384)=220×4-715=800-(743-234)=943-700=502-(895-531)=917+74-90=765×(388-380)=312×3-271=332+(58-46)=772+117-12=242+219-184=210-92+62=512+36+863=78+402=124×2-10=119+48=786-(506+226)=271-158-18=887×(647-638)=406-196=104×2=5/8-2/8=462-(423-378)=446+42-275=18×(753-748)=575-(394-286)=787+594=681+631+88=245×9=24×4=692-301+627=274-(274-79)=854-(420+365)=128+870-167=85×8+60=217×3+347=986-(795-417)=973-44×2=219+510=305-(24+14)=242-35×2=412-158=465+537-743=321+103×4=65×4-231=969×7=443-69-35=322+802+212=283+213-230=172×4-419=890-407+395=214-(31+34)=442-184+198=105×4=445-184=1/8+5/8=755×4-987=710-88+287=126+(118-23)=469-217×2=479+929=456×4=958-(564-395)=150×6-596=192+163+332=476-207-241=800×8-631=11×5=853+371+344=635-383+42=428-75×3=177+799-63=110×9=446+(633-177)=412×8=263+131-203=18×(32-26)=652+58+95=454-113-254=337-(270+35)=173+140×4=975×2=339-275-37=259-91+38=404-88-155=341+(755-709)=213+91=143×3=96×(524-518)=272-210+87=903×3-602=108-72+318=123+44+176=289-10×9=77×(322-315)=431-134-110=154+380=1/5+3/5=434-157×2=213-41+235=762×9=34×6+204=466-266=472+(372-358)=275+602+655=2/5-1/5=495-104×3=465-(45+54)=292+166=435-(147-27)=210+(930-640)=253-(42+125)=64×(130-121)=83-(135-128)=724+798-668=410-407+111=100×5=32×(465-462)=269-(292-288)=146×5-79=256×3+693=189-(482-304)=84×6-14=217×3+773=2/9+6/9=313-(454-160)=483-215+138=330+945-238=423-343+276=130×4-249=495-65×6=250×(111-108)=71-24=743×2=58×(307-301)=794-(243-136)=283+(519-398)=547+342+26=187×(677-668)=864-(157+287)=904-226+619=845-616+470=422-155-172=882-377+353=416-(705-696)=38×4=254+219×3=635-40×6=443×2=369+502=170-(781-619)=795+846+996=855×(109-100)=98×8-460=371+280+337=318-36-276=363+94+80=323-183+214=291-65=757+670-205=778-(682+70)=560+448×2=193+130=185×2+424=481-53-193=522+343+30=389-278+121=379-76=303-(219-133)=623+606=958+(743-203)=353-30×4=81+183-84=712+(916-375)=224+278=982-463×2=642-(969-682)=462-95×4=430-348+83=777-218-432=447-(465-455)=128×7=495-(74+112)=505-(873-664)=123+221+245=399+128×3=652×4=782-505+147=117×(412-407)=84+928-673=1/6+3/6=342+976-474=490+(258-123)=370-(209+104)=137×6-386=941-801-92=961-13×4=63+234×4=84+142×4=105-13×7=49+174+128=70×4+399=851+(595-537)=339-(167+32)=82-47=122×8+819=424+(243-148)=245-142-61=427-(150+212)=304+23-202=602-99=160+275-383=612+(367-130)=956+554+590=1/9+4/9=710-126=946-347-230=710-65×3=414-273+176=448-144-29=153+162=109-(99-30)=384+11×7=463-14×3=958+374+268=110-79+168=343-216-57=549×7-515=564+509+845=92×5-421=656×7-116=703+424=55×3+350=3/5-2/5=827-137-335=177+153=782-483+169=930+302+402=483-(35+221)=105+367+452=479-393=309-(432-270)=676-(810-504)=640-356=407×5=128-(113-81)=868×(862-859)=100×(258-251)=99-18×2=996+587-137=341-(194+64)=257+83=160+(547-32)=148-60-88=3/7-1/7=432+249×4=135-54+66=164×(218-213)=839-351×2=322+29-184=469+(479-413)=836×5-563=417×6=781-26-103=211-102+162=549+101+56=384-(221+110)=764+139+14=493-270-81=234-54-129=246-(43+60)=53×(245-240)=219+122=347-38=44×(375-368)=261+(610-569)=288-174=68×4-201=873-(995-477)=657-190+95=251×3-22=76×8-277=972+(327-51)=402-154+436=341-39-176=507+339+363=361-(126+75)=367×6=476×2+518=848+217-618=616-(799-798)=204+398+110=440+60×5=722-(788-396)=371×(324-316)=422-58-42=686×7-432=368-(71+241)=357+(352-144)=207-140=112×3+121=808×(681-677)=668-141=594×9-497=120×2+842=935-191-50=954-425×2=424+535+12=739-601=442+165×2=118×(183-180)=481-443+373=146×(410-403)=270+292×2=165-27+341=266×(135-131)=148+285-124=566+(441-148)=157+389+269=74×5=991+807-359=380-43-277=172+30×7=914-59=159+199-148=970-(447-32)=658-470-54=303-(667-490)=319×2=229+126=75×5=151×(442-435)=336×(35-29)=466-345=211×3=379-(250-120)=854+561=601-27-14=69×6=124×7-115=302+65-136=630-213=73+(478-461)=271×3-541=1/5+2/5=28+(467-388)=294×(126-123)=71×(18-14)=109×6+460=456+87+482=497-(336+127)=402-215=980-(813-335)=46+56=403+(464-236)=4/6-2/6=66×7=796-291-16=345-33×5=910-(26+114)=832-(329-324)=489+388+956=482-(322+87)=397+(356-29)=4/7-1/7=202-17×3=307+(958-113)=725×(991-985)=77+487-135=275×(204-200)=274-(456-445)=370-43×4=882-280=706-(714-20)=308-(329-288)=525-55×6=932-779+753=361×4=434×2-333=156+(456-145)=426-101=515-178×2=104-28×3=130-23+151=202×3=280+147-123=552×8-15=958×5=870-806+221=648-434+896=497×2=136×6=參考答案450-43×9=63461-216=245402-330+125=197335+195×3=920917-866=51417-167-248=2156+327=483743×(936-929)=5201130×7+29=939496-(320+175)=1347-50=297257×3=77185+(780-244)=62122×6+353=485193-139=54763-271×2=221193+599=79225×(245-238)=175208×(358-354)=832103+17×2=13779+38=11797×5+76=561689×8=5512858-(403-336)=791158-121=37127+249-324=52325+(999-825)=499391-(23+63)=305798+679-256=1221496+13+380=889354-105×2=144483-(43-14)=454441-189=252658+338=996398-(186+64)=148357-264-93=0728×7-424=4672848-(440+238)=170460-(489-237)=20861+281+10=352423-10×8=343710-418-31=261474-69=405135×7-417=528866-(66+590)=2102/7+3/7=5/7273-180-80=13373-64×3=181140+150=290148×7=1036312×(406-403)=93631×4=124410+710+998=2118526-(447+59)=2079+(256-69)=266166-64×2=38130+292=422136-36+240=340343-10×9=253656+54×6=980592-19×7=459759-87-425=247919-(17+145)=75758+428+400=886313-(111+105)=97251×3+151=904238×(308-305)=714577-287=290648-73×2=502399-(347-206)=2581/8+2/8=3/8123-12=111288×2-375=201749+892-269=1372634-34+464=106416×3=48465+302+171=938471+961-112=1320158×2=316861-(267+475)=119978-648-271=59459-253=206176×5=880192+301=49320×3+484=544916-(843+22)=514/8-1/8=3/8296+(165-68)=393297×2-533=61459+(937-879)=517488+(237-86)=639169×4+899=1575309+46-124=231160+(467-346)=281269-(96+26)=147180+910=109031+167=198614+(570-477)=707927-167-150=610542-462=80478-125×3=103145+(418-124)=439384-71=313402×2-260=544828-(454-169)=543353+160×2=673424×6-929=1615813-339=474757-60-532=165904+412+876=2192242+124=366464+269=733218-(284-133)=67363-285+98=17650×3=150638×(549-540)=5742256-15-15=226445-(427-149)=167616+(584-42)=1158352+(388-96)=644485-285=200907-251=656471×8=3768503×(943-937)=3018684+674+513=1871101×(144-137)=707790+83×4=1122823+821-323=1321480-106×2=268190+49=239284+34+539=857382+116-125=373328+65=393562-223+107=446904×3=2712939+(779-135)=1583517-215-195=107345×2-633=57356×7-873=1619614+220=834626+13+954=1593798-796+98=100206-10×5=156135+281=416414-315-58=41609×3=182771×(38-31)=49776+269-58=287469-(483-434)=420801-379+538=960881-87×9=98324-31=293820-539+456=737330+422+247=999835-(25+622)=188344+92-288=148507+(482-37)=952891-452=439914-140×2=634429+(383-76)=736272-(54-30)=248332+91-84=339378-30×2=318758-98-403=257180+123+447=75071+192-100=163285×3-820=35451-(265-216)=402451-289+967=1129997-(261+617)=11925+14=39736-159=577691-556=135610×(691-688)=1830543×3-781=848456-(119+225)=112890-738=152127-15×2=97391-227=164544+330-263=61170+(843-520)=393374+366+111=851236+(192-153)=275320-93+76=303301+96-143=254615-78-224=313444-380+287=351155+(117-109)=163911×(210-204)=5466224-117-83=24331-102×3=25266+101=367648-(91+181)=376275×2=550412-(168+68)=176491-(70+130)=291223-(17+196)=10865×4=34605/8-3/8=2/8757-157×4=129317-(145+111)=61139×2=278212×5-540=520515×7-81=35243/6-2/6=1/6301×3-514=389361+(487-192)=656416×5-471=1609741-489+666=918345-33×2=27970×5=350138×6=82876+120=196212-177+159=194484-(416-226)=294896-(246+590)=60124+242-196=170800+253-14=103954×(348-342)=324987+294×2=1575667+708-757=618771-(483+91)=197253×(13-10)=759898×3-390=2304661×4-182=2462290-218+770=842881-24×4=78534×(98-95)=102144+805+833=1782125×4-265=235779+(877-416)=12401/3+2/3=1329+75=404846-406-298=142902×(304-297)=631422×(336-331)=110362+135=497578-(666-204)=116632+797-368=1061310-79-129=102462-147-35=280945-16×2=913495-56×4=271462+137+401=1000747-(938-258)=67186+185×4=926323×3-360=609734×(67-64)=2202637×(604-596)=5096264-18×3=210763+(872-562)=1073426-(363-130)=193746-(444+277)=25398+254+482=113411+(425-115)=321771-438+909=1242294-263+417=44867+71×9=7062/6-1/6=1/6331-(519-228)=40960-729-134=97213×(182-179)=639457-32=425105×(220-212)=840645+(449-297)=797420×2=8401/6+5/6=110+(227-223)=14325×(272-266)=1950918-(806+97)=15769-464-53=252306-(18+160)=128652-497=155213+80=293330×(144-141)=990496×3-570=918377-18×2=341122×2=244191-189+35=37707+773+874=2354444-(474-456)=426154×4=616249-172=77612+376-114=874432+213+928=1573128+133×4=660300-129-160=11968-(546+47)=375593×(623-617)=3558492+(253-53)=692339×2+438=11161/6+2/6=3/6239+247-372=114880+782-865=797761-(548-413)=626789+(324-24)=1089434+97+371=902346+135-62=419837-171-524=142278-(399-268)=147275×(943-940)=82553+(433-55)=431264×4-271=78528×7+456=652818×7-514=5212463-56×8=15411-396+202=217266-(306-156)=116427-(158-135)=404469+54+470=993983+723-415=1291384+75-60=399161+73=23456×7-61=331321-(13+220)=88996-409-113=47466×4-260=4334+114=448942-718+22=246249+269×2=787348×2=696236+185=421376-19×4=300842+690+465=199716×7-110=2204-136=68674-650+706=73020+(414-246)=188457-(240-18)=235389+21-30=38087+926+140=1153399-(39-19)=379424×2+104=952836-355-477=4105-(291-225)=39395-60×3=215829+223+238=1290454-243+46=257436-(69+248)=11970×4=280220+16×9=364139×2+206=48459×6=354899+119×3=1256305+(686-155)=836194+236=430260+85=345825×6=4950382×6=229215+33×5=180766+926+982=267414+84×4=35068×7-142=33413+342-154=201425+(216-171)=470880+857-244=1493841-(706+112)=23520-57×9=7156+251-174=233851-528+32=355900+314=1214150+58=208399-325=74163×5-339=476109-48=61417×(194-185)=3753426-(177+220)=29211-67×3=10803+39×5=998466-(78+274)=11424+86×6=540428-11×4=384481-305=176155+214=369178-(385-249)=4217+107+518=642201-66+392=527424-239-29=156148-15-12=121608-(469-221)=360812+853=1665425×2+36=886391-108×2=175285-238+226=273502+411-603=310301-148-59=94330×7-231=2079400×2=800253×7-441=1330180+311=491176+305×2=786318-246=72717-96=621141+(792-240)=693140×(374-366)=1120350-337+124=13726×5+364=494565+243+505=1313404-95×2=214247+523=770308-(69+228)=113/5-1/5=2/5646-(142+271)=233529-(971-682)=24052×6+382=69440+80+685=8053/5+2/5=1103×(260-253)=721835-147-442=246923+566=1489302×2+810=1414242×3-438=288666-125-228=31383+208-21=270485-(326+144)=15124+631=755203-29×5=58128+226=35495×(123-119)=380282-(75+11)=196235+53=2882/4-1/4=1/4442+871-84=122949+102+313=46470×5+118=468110+285=395487-(36+279)=172173×2=346967-(60+640)=267428-232=196862-(101+287)=474405-(230+48)=127427-99×2=229452-359+381=474513×8=4104236×6-763=653457-171-267=1968×9-41=571768+(591-552)=80757+198+161=416132+352-109=375715-473=24273×5-212=153486-323-36=127982-308-179=495378-229-29=120111-57+115=16984+671-599=15647×(23-17)=282404+262+151=81769+728+298=1095800×9-605=6595157+(307-291)=173857×(622-613)=7713154+215=369139+382+397=91824×6+122=266480+316-432=364376+(279-259)=396395-201=19491+425+305=821853-101=752127+335=462849-674=175466+(459-314)=611236×(301-298)=708244×7=1708233+84=31798+132-157=7361×2+757=879258-54=204992-287×2=418769+(759-384)=1144220×4-715=165800-(743-234)=291943-700=243502-(895-531)=138917+74-90=901765×(388-380)=6120312×3-271=665332+(58-46)=344772+117-12=877242+219-184=277210-92+62=180512+36+863=141178+402=480124×2-10=238119+48=167786-(506+226)=54271-158-18=95887×(647-638)=7983406-196=210104×2=2085/8-2/8=3/8462-(423-378)=417446+42-275=21318×(753-748)=90575-(394-286)=467787+594=1381681+631+88=1400245×9=220524×4=96692-301+627=1018274-(274-79)=79854-(420+365)=69128+870-167=83185×8+60=740217×3+347=998986-(795-417)=608973-44×2=885219+510=729305-(24+14)=267242-35×2=172412-158=254465+537-743=259321+103×4=73365×4-231=29969×7=6783443-69-35=339322+802+212=1336283+213-230=266172×4-419=269890-407+395=878214-(31+34)=149442-184+198=456105×4=420445-184=2611/8+5/8=6/8755×4-987=2033710-88+287=909126+(118-23)=221469-217×2=35479+929=1408456×4=1824958-(564-395)=789150×6-596=304192+163+332=687476-207-241=28800×8-631=576911×5=55853+371+344=1568635-383+42=294428-75×3=203177+799-63=913110×9=990446+(633-177)=902412×8=3296263+131-203=19118×(32-26)=108652+58+95=805454-113-254=87337-(270+35)=32173+140×4=733975×2=1950339-275-37=27259-91+38=206404-88-155=161341+(755-709)=387213+91=304143×3=42996×(524-518)=576272-210+87=149903×3-602=2107108-72+318=354123+44+176=343289-10×9=19977×(322-315)=539431-134-110=187154+380=5341/5+3/5=4/5434-157×2=120213-41+235=407762×9=685834×6+204=408466-266=200472+(372-358)=486275+602+655=15322/5-1/5=1/5495-104×3=183465-(45+54)=366292+166=458435-(147-27)=315210+(930-640)=500253-(42+125)=8664×(130-121)=57683-(135-128)=76724+798-668=854410-407+111=114100×5=50032×(465-462)=96269-(292-288)=265146×5-79=651256×3+693=1461189-(482-304)=1184×6-14=490217×3+773=14242/9+6/9=8/9313-(454-160)=19483-215+138=406330+945-238=1037423-343+276=356130×4-249=271495-65×6=105250×(111-108)=75071-24=47743×2=148658×(307-301)=348794-(243-136)=687283+(519-398)=404547+342+26=915187×(677-668)=1683864-(157+287)=420904-226+619=1297845-616+470=699422-155-172=95882-377+353=858416-(705-696)=40738×4=152254+219×3=911635-40×6=395443×2=886369+502=871170-(781-619)=8795+846+996=2637855×(109-100)=769598×8-460=324371+280+337=988318-36-276=6363+94+80=537323-183+214=354291-65=226757+670-205=1222778-(682+70)=26560+448×2=1456193+130=323185×2+424=794481-53-193=235522+343+30=895389-278+121=232379-76=303303-(219-133)=217623+606=1229958+(743-203)=1498353-30×4=23381+183-84=180712+(916-375)=1253224+278=502982-463×2=56642-(969-682)=355462-95×4=82430-348+83=165777-218-432=127447-(465-455)=437128×7=896495-(74+112)=309505-(873-664)=296123+221+245=589399+128×3=783652×4=2608782-505+147=424117×(412-407)=58584+928-673=3391/6+3/6=4/6342+976-474=844490+(258-123)=625370-(209+104)=57137×6-386=436941-801-92=48961-13×4=90963+234×4=99984+142×4=652105-13×7=1449+174+128=35170×4+399=679851+(595-537)=909339-(167+32)=14082-47=35122×8+819=1795424+(243-148)=519245-142-61=42427-(150+212)=65304+23-202=125602-99=503160+275-383=52612+(367-130)=849956+554+590=21001/9+4/9=5/9710-126=584946-347-230=369710-65×3=515414-273+176=317448-144-29=275153+162=315109-(99-30)=40384+11×7=461463-14×3=421958+374+268=1600110-79+168=199343-216-57=70549×7-515=3328564+509+845=191892×5-421=39656×7-116=4476703+424=112755×3+350=5153/5-2/5=1/5827-137-335=355177+153=330782-483+169=468930+302+402=1634483-(35+221)=227105+367+452=924479