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124×2+964=366+108×5=98+311×2=344-291=656×(252-248)=658+58+239=791-241-89=48-(463-426)=553-60+832=386+167=778-713=17×3+220=37×9+126=985-(156+538)=581-153+722=157×4=273+243×4=354-172-168=657-(355+267)=937-95-163=1/4+2/4=93-28=787×8=430-89-215=517+(858-149)=276+113+202=328-28×4=357-93-161=304-60=633-284+82=249-(126-16)=295-66+972=434-(263+168)=431-20×8=964-261=322×2-355=705-280×2=120-(35-22)=318-43+628=780-763+585=977-960=252+(270-96)=247-59-158=372+(392-201)=622-(835-394)=207+497=548+781-270=720-(806-213)=836-276-141=116×6+709=94+146+331=888+(907-402)=637×2-630=248-41×2=624×2-13=997-197-84=655+997=719-574-55=778×2-676=147-18×3=832-(658+140)=545+50+290=721×(972-966)=98×7-98=675×6-671=5/8+2/8=665+335-503=456-(378+16)=341+489=813-216-23=657-637+113=922-272-448=881-41×3=115+34-44=439-221-110=17×4=169×3+97=263+115×2=434+66-230=68×9-469=28+(239-81)=398+81=510+624-438=142×5-278=207×4-518=836×3-672=475-363=363+136=618×5=683+(892-110)=164×2+667=836-771=256-118=3/8+2/8=812+215=216+74×5=769-(600-573)=165×6=372+(442-425)=404+460=767×(287-284)=343-170+51=695×2-572=438-149=444×(893-886)=528-42×3=133+129×3=283×8-843=31+462-485=897-720+923=138+265=574+334×2=493+217+108=191×3=903-64=366-27×2=162+121+425=247+628+935=424+57-417=453-(105+134)=628-22×7=36×3=388-160+18=724-(246+377)=232-19-199=153×(833-828)=879-252=990-(841-32)=266+202=73×4=775×5=839×8-501=608-43-15=539×5-843=428-343+322=29+412-326=303-(50+231)=62×9+277=490+(70-40)=869×(226-223)=840-740=321+308=104×6-69=970-(786+24)=105×(58-50)=382-19×2=877+(907-180)=243+26×8=123×(45-42)=979×(324-317)=125+182×4=237-217+84=156×6-772=265-206+922=173+917+311=442-224+168=451×2-201=1/10+5/10=212+739=34+189=797-362-384=965-216+786=187+(484-368)=191-(655-507)=2/7+4/7=175×3=358-(367-203)=709+143+34=431+939-838=438-(140+40)=215+(301-224)=299×7=500-(210+171)=824+89+145=227×4=825×(97-91)=403-(62+325)=250+61=896-356=207-(432-274)=293-(378-240)=471+367-510=969-(910-440)=164-27×3=499+977+80=392+(888-256)=210+35=116+86×6=864+64-247=78×(126-119)=793-140+380=269+(418-247)=862×6-165=396-204=459×9-689=440-(86+114)=46+39=401-278+209=673-(374+92)=329-34=580×3=408×4=602-(751-733)=494-425=367×9-201=309+115=738-113=721+529+886=834-13×3=331-(47+246)=326-(362-126)=364-117+86=319+(415-220)=54+70=283+590+528=412+925-387=437×(939-930)=794-160×4=640-342+484=894+849-735=886-138-385=111+282+529=496-301-57=231+69+524=881-(414-43)=195-23×7=921-(442+410)=973-203-466=969-(552+19)=382×2=429-84-181=63×4=331-(15+220)=674×(344-339)=119×6-273=16×9=89×6-46=416-(336+78)=236+(423-74)=361+(219-93)=953-393-243=441-115×2=935-616-268=764-367=510×3=865-807=892-669+766=496-33×8=408+421-387=420-215-101=809+(576-258)=6/9-1/9=719×2-774=637+14+179=513×5-536=951+677+13=900×7-785=1/8+4/8=375+(350-260)=215-196=65×5-156=19×4=706×(731-724)=733+500+402=204×2=134+355=292-23=15+42×9=2/10+6/10=873+(648-406)=92+210=473-381-39=942-912+656=214-209+149=974×(666-661)=914-(376+306)=279×2+97=135+(541-154)=466-27-214=689-86×4=472-(157+256)=471+96×3=388+(473-392)=130+160-253=865-189+711=495+(257-193)=231+175-173=931-601+355=121×8-172=395-309=105×5=86+396=45×2=105×3+329=834+340+744=311×6-372=237×3-348=46×2=324-197=361-293+694=408-(24+19)=204+185=296-103-139=72+320-338=313+74+549=404-247=200-86-105=434+50-175=401×3-15=116+138-204=830-(886-783)=759-509=806+389-354=956-(49+629)=949-66-792=857×3=736+311-399=248-166=680×6-632=406+(359-352)=115+(158-64)=6/8-1/8=212+(324-63)=398+(394-285)=455-(330+49)=407-135×2=917-(212+484)=468+(260-249)=3/5-1/5=302-137-52=647-564=176+240-225=586-163=263-124×2=395-18+35=281+(527-480)=117+107=35×(130-124)=470-246+208=424-13×4=409-(418-150)=55-(21-13)=878×6=407+408+120=934+669+943=631×8-32=843-407-36=489×2-309=699-52-49=666+914+167=361+15+62=123-116+219=227×4-380=675×2=466-319=658×(993-988)=675+(921-14)=197×5=429-46×3=278-122-15=448-123-242=956-(497-42)=4/6-2/6=71+94×2=732-667=684×8-317=130×(232-228)=76+292=130×(466-460)=633+(883-179)=325-273+395=938×6=491-117×4=2/5-1/5=84+157×5=300-57+257=280-(386-378)=416-(163+179)=126×2=79-14+52=443-23-86=163×5-547=18×3=107×(100-91)=852-42×3=91-70+157=860-(422+219)=829-(173+249)=363-89×4=461-20-379=496+637-828=452-(356-242)=994-(473-84)=12×(271-265)=489-21-108=13×(453-444)=509+(508-430)=267-68=983+(248-129)=296+(484-183)=4/6-1/6=914-(50+796)=500+(942-538)=348+879-842=427-(795-472)=4/7-1/7=984-325-598=253-71×2=837+728=546×6=217-(455-341)=155×2+164=913-906+316=229-(246-124)=977-89×3=436+(386-211)=412+20+177=833×(668-662)=991+360+240=23+(325-35)=657×4=856+65+617=721-(339-249)=60×6+307=109×(452-448)=230+53×8=233×4=898-885+139=604-295×2=90×(236-228)=144+716=225+930-843=317×2+223=137×6=6/8+2/8=319×3-196=999-621-87=185×5=278-(142+58)=76+20-87=359×5=912×(116-107)=150+189+994=272×(168-165)=892-(11+16)=218+(331-242)=889-769+540=42+183=173+188+479=346+(435-353)=178×7-627=69×5+397=483-133=494-310-153=996+426+60=216-(285-268)=513+214=178+62=206+252+528=351+663-937=572-43×9=237-160+414=752-665-57=79+382=57×5=793-(143+12)=389×(790-783)=269-(21+120)=117×(107-103)=154×4+54=331-10×7=236+(768-351)=470-177=483-451=787+123×8=260-17×6=768×3=366-188=251+121+144=109×5=191+(234-185)=955-30×8=174+131=844×6=274+228=45+138=533+(724-296)=585+115=191+347+411=926-(355+185)=622+883-599=500-64×6=428-59×7=194-(262-247)=232-127+237=430-58-98=255+114×6=202×(422-419)=192×4+130=179×(716-713)=529×2-645=26×(224-221)=30+468-146=539-190=236-(101+122)=174+759=481-294-146=412×9-413=979×(915-911)=116-95=166+(163-35)=111×7-310=161+243-202=674×(615-607)=92×(95-89)=200×(304-299)=207×(684-675)=707×(594-586)=321-18×7=764-683+441=745-164×2=765-119×2=497-(243+86)=75+154=105×7-682=144+124=49×(522-513)=476-375-71=303+63-119=826-(300+471)=825+391-831=492×2-715=5/8-1/8=394-(182+50)=377×2-344=38×9+165=20×3=37+24-53=86+466+308=387+251×2=493-84-129=172×5-516=352-252-76=338+65=124×3-209=128+723+603=58×9+248=475-(86+384)=1/6+3/6=869-475+798=315×(497-494)=473-(346-268)=117×8-457=666×7-344=408-161-170=210×2-72=649-(321+145)=580+675=224-121=211-(491-291)=670-76×3=618-386-57=339×2=520+82+339=186-93×2=172+(426-82)=631-72×5=48+145×4=207+240+231=99×5-372=44×7+159=326-52×4=182+509+238=881-785+800=1/7+4/7=69+165×2=101×(248-243)=771+726-406=64×4+47=392-98×3=471-382=288+939-839=257+441+296=183×(342-339)=370+18×3=157+615-498=239×3=604-111×5=340-(251-112)=725-256-462=463-107×3=176+73=629-141=474-34×4=264-38×3=733-708=361-299-25=511-(652-287)=962-(286+91)=25×(176-172)=1/7+2/7=478+(383-326)=785×2=437-(444-122)=931-394-132=153×5+187=903-(398+398)=395-73-131=489-182+163=822-(504+186)=228×3+872=961-(582-352)=221+(490-214)=650×6-987=206+63=335+939-76=843+678+549=758-(151+581)=884-517+174=435-(24+133)=234+48+111=368-(112+55)=465×2+460=972+71×9=146+338-481=101-(249-242)=456-10×3=233+81×6=691-14+553=177+36=316-220+311=764-326-37=478+424=485+974-872=394-(150-51)=281-(55+208)=404-41×3=168×9-651=120+161-150=814-96+596=651+(910-268)=114×2=456-90×5=93+240×3=413-97-76=462-(43+392)=76×6=402+447+96=389-121+187=627+(901-731)=421-115=959-472-355=401-217=305-(156-111)=751-(68+155)=555+53×5=230-(161-86)=479-102+103=859×9=26+408-124=640+802+45=99×6+343=34×(226-220)=432-125-33=943×(57-51)=496-213+30=462-(289+142)=465-423+187=154+48=883×4=193-(83+47)=963+30×6=23+(174-22)=254×4=881-(889-704)=727-(387-158)=852-(397-234)=4/9-2/9=281-(261-202)=556×4=540-183×2=135+228=13×9+51=3/6-2/6=473-10=322+88-149=381-126-234=402-14×8=862-342=181+153+539=589+110-95=717+920-20=872-37×4=850-(418-185)=265-(314-241)=188+213=409×2-114=91×9=677+909+764=385+415+13=804-(617-606)=419×(410-401)=509+(929-851)=754-195=268+143-273=432-(194-84)=855×2-565=889+143-753=32+425+89=200×2-258=332-(283-200)=47×(70-63)=2/4-1/4=967-73×5=523-419+856=101+136=234×(484-480)=490-31×7=210×4-127=312+60-291=159+247-32=277-140=348-330=149+(995-617)=229×4=18×7=361-59×4=288+42-291=386-44=111×7+172=34+267+144=79×3+126=377×2-117=729-284-167=39×3=258-190+568=71+333+531=949-450-399=324+338=251-(325-276)=935-702=177+283=27×(234-228)=229-28×4=182+(198-114)=16×(459-450)=363-(125+216)=139+210×3=107+252=437-(384+14)=23+95=420-(458-263)=98-(29+11)=350-71×4=407-(43+184)=919+347+616=103+213×4=580+(736-382)=144+162=31×3+43=89×(175-169)=721-137=555-215=419-(623-408)=532+114+433=131×2-16=326×3=369-302=87+306+586=877-(627-327)=43+355+151=891+770-518=979-83×2=80+41×5=993+190=10×2=85×(486-477)=378-240+94=334-39-106=122+256+651=53×(354-347)=438-(69+25)=105-(159-85)=333×(53-50)=393-325+430=140-76+328=183+247=242+(324-297)=803-340=441-373+59=151×(471-467)=772-11-654=108×8=154+41+676=267-(80+168)=507-(326-238)=749+203+190=789-416-77=361-28×2=23+126=858+947+538=578+122+174=3/7-2/7=84×7=111+121+541=232+164-46=299+177=407+95×2=52+(591-301)=935-(257+514)=857-(602-97)=404-(26-16)=714+261=103+(340-166)=173×(329-325)=370-17=841+616-762=986-(866-818)=128-89+263=805-535=399+71=674×(915-912)=163-(453-335)=99×7+941=484+150=437+718+694=455-(468-316)=645-35×3=200+(250-150)=242-39+250=990×(647-641)=317×3-133=414-257=417-380+49=826+240=85+365-223=694-(180+314)=93-(180-152)=814-(81+13)=71+294-107=121+337-429=257+(843-654)=371×2+716=126×(235-232)=221+171-269=460-242+238=124×4=482-118+27=928+620-897=984-195×5=15×9+417=359+533-603=435+41-10=52-(445-434)=237+233-347=228×3-261=455+(989-551)=66+(769-50)=929×6=2/7+3/7=189×(477-473)=208-108=358+(390-172)=720-117=參考答案124×2+964=1212366+108×5=90698+311×2=720344-291=53656×(252-248)=2624658+58+239=955791-241-89=46148-(463-426)=11553-60+832=1325386+167=553778-713=6517×3+220=27137×9+126=459985-(156+538)=291581-153+722=1150157×4=628273+243×4=1245354-172-168=14657-(355+267)=35937-95-163=6791/4+2/4=3/493-28=65787×8=6296430-89-215=126517+(858-149)=1226276+113+202=591328-28×4=216357-93-161=103304-60=244633-284+82=431249-(126-16)=139295-66+972=1201434-(263+168)=3431-20×8=271964-261=703322×2-355=289705-280×2=145120-(35-22)=107318-43+628=903780-763+585=602977-960=17252+(270-96)=426247-59-158=30372+(392-201)=563622-(835-394)=181207+497=704548+781-270=1059720-(806-213)=127836-276-141=419116×6+709=140594+146+331=571888+(907-402)=1393637×2-630=644248-41×2=166624×2-13=1235997-197-84=716655+997=1652719-574-55=90778×2-676=880147-18×3=93832-(658+140)=34545+50+290=885721×(972-966)=432698×7-98=588675×6-671=33795/8+2/8=7/8665+335-503=497456-(378+16)=62341+489=830813-216-23=574657-637+113=133922-272-448=202881-41×3=758115+34-44=105439-221-110=10817×4=68169×3+97=604263+115×2=493434+66-230=27068×9-469=14328+(239-81)=186398+81=479510+624-438=696142×5-278=432207×4-518=310836×3-672=1836475-363=112363+136=499618×5=3090683+(892-110)=1465164×2+667=995836-771=65256-118=1383/8+2/8=5/8812+215=1027216+74×5=586769-(600-573)=742165×6=990372+(442-425)=389404+460=864767×(287-284)=2301343-170+51=224695×2-572=818438-149=289444×(893-886)=3108528-42×3=402133+129×3=520283×8-843=142131+462-485=8897-720+923=1100138+265=403574+334×2=1242493+217+108=818191×3=573903-64=839366-27×2=312162+121+425=708247+628+935=1810424+57-417=64453-(105+134)=214628-22×7=47436×3=108388-160+18=246724-(246+377)=101232-19-199=14153×(833-828)=765879-252=627990-(841-32)=181266+202=46873×4=292775×5=3875839×8-501=6211608-43-15=550539×5-843=1852428-343+322=40729+412-326=115303-(50+231)=2262×9+277=835490+(70-40)=520869×(226-223)=2607840-740=100321+308=629104×6-69=555970-(786+24)=160105×(58-50)=840382-19×2=344877+(907-180)=1604243+26×8=451123×(45-42)=369979×(324-317)=6853125+182×4=853237-217+84=104156×6-772=164265-206+922=981173+917+311=1401442-224+168=386451×2-201=7011/10+5/10=6/10212+739=95134+189=223797-362-384=51965-216+786=1535187+(484-368)=303191-(655-507)=432/7+4/7=6/7175×3=525358-(367-203)=194709+143+34=886431+939-838=532438-(140+40)=258215+(301-224)=292299×7=2093500-(210+171)=119824+89+145=1058227×4=908825×(97-91)=4950403-(62+325)=16250+61=311896-356=540207-(432-274)=49293-(378-240)=155471+367-510=328969-(910-440)=499164-27×3=83499+977+80=1556392+(888-256)=1024210+35=245116+86×6=632864+64-247=68178×(126-119)=546793-140+380=1033269+(418-247)=440862×6-165=5007396-204=192459×9-689=3442440-(86+114)=24046+39=85401-278+209=332673-(374+92)=207329-34=295580×3=1740408×4=1632602-(751-733)=584494-425=69367×9-201=3102309+115=424738-113=625721+529+886=2136834-13×3=795331-(47+246)=38326-(362-126)=90364-117+86=333319+(415-220)=51454+70=124283+590+528=1401412+925-387=950437×(939-930)=3933794-160×4=154640-342+484=782894+849-735=1008886-138-385=363111+282+529=922496-301-57=138231+69+524=824881-(414-43)=510195-23×7=34921-(442+410)=69973-203-466=304969-(552+19)=398382×2=764429-84-181=16463×4=252331-(15+220)=96674×(344-339)=3370119×6-273=44116×9=14489×6-46=488416-(336+78)=2236+(423-74)=585361+(219-93)=487953-393-243=317441-115×2=211935-616-268=51764-367=397510×3=1530865-807=58892-669+766=989496-33×8=232408+421-387=442420-215-101=104809+(576-258)=11276/9-1/9=5/9719×2-774=664637+14+179=830513×5-536=2029951+677+13=1641900×7-785=55151/8+4/8=5/8375+(350-260)=465215-196=1965×5-156=16919×4=76706×(731-724)=4942733+500+402=1635204×2=408134+355=489292-23=26915+42×9=3932/10+6/10=8/10873+(648-406)=111592+210=302473-381-39=53942-912+656=686214-209+149=154974×(666-661)=4870914-(376+306)=232279×2+97=655135+(541-154)=522466-27-214=225689-86×4=345472-(157+256)=59471+96×3=759388+(473-392)=469130+160-253=37865-189+711=1387495+(257-193)=559231+175-173=233931-601+355=685121×8-172=796395-309=86105×5=52586+396=48245×2=90105×3+329=644834+340+744=1918311×6-372=1494237×3-348=36346×2=92324-197=127361-293+694=762408-(24+19)=365204+185=389296-103-139=5472+320-338=54313+74+549=936404-247=157200-86-105=9434+50-175=309401×3-15=1188116+138-204=50830-(886-783)=727759-509=250806+389-354=841956-(49+629)=278949-66-792=91857×3=2571736+311-399=648248-166=82680×6-632=3448406+(359-352)=413115+(158-64)=2096/8-1/8=5/8212+(324-63)=473398+(394-285)=507455-(330+49)=76407-135×2=137917-(212+484)=221468+(260-249)=4793/5-1/5=2/5302-137-52=113647-564=83176+240-225=191586-163=423263-124×2=15395-18+35=412281+(527-480)=328117+107=22435×(130-124)=210470-246+208=432424-13×4=372409-(418-150)=14155-(21-13)=47878×6=5268407+408+120=935934+669+943=2546631×8-32=5016843-407-36=400489×2-309=669699-52-49=598666+914+167=1747361+15+62=438123-116+219=226227×4-380=528675×2=1350466-319=147658×(993-988)=3290675+(921-14)=1582197×5=985429-46×3=291278-122-15=141448-123-242=83956-(497-42)=5014/6-2/6=2/671+94×2=259732-667=65684×8-317=5155130×(232-228)=52076+292=368130×(466-460)=780633+(883-179)=1337325-273+395=447938×6=5628491-117×4=232/5-1/5=1/584+157×5=869300-57+257=500280-(386-378)=272416-(163+179)=74126×2=25279-14+52=117443-23-86=334163×5-547=26818×3=54107×(100-91)=963852-42×3=72691-70+157=178860-(422+219)=219829-(173+249)=407363-89×4=7461-20-379=62496+637-828=305452-(356-242)=338994-(473-84)=60512×(271-265)=72489-21-108=36013×(453-444)=117509+(508-430)=587267-68=199983+(248-129)=1102296+(484-183)=5974/6-1/6=3/6914-(50+796)=68500+(942-538)=904348+879-842=385427-(795-472)=1044/7-1/7=3/7984-325-598=61253-71×2=111837+728=1565546×6=3276217-(455-341)=103155×2+164=474913-906+316=323229-(246-124)=107977-89×3=710436+(386-211)=611412+20+177=609833×(668-662)=4998991+360+240=159123+(325-35)=313657×4=2628856+65+617=1538721-(339-249)=63160×6+307=667109×(452-448)=436230+53×8=654233×4=932898-885+139=152604-295×2=1490×(236-228)=720144+716=860225+930-843=312317×2+223=857137×6=8226/8+2/8=1319×3-196=761999-621-87=291185×5=925278-(142+58)=7876+20-87=9359×5=1795912×(116-107)=8208150+189+994=1333272×(168-165)=816892-(11+16)=865218+(331-242)=307889-769+540=66042+183=225173+188+479=840346+(435-353)=428178×7-627=61969×5+397=742483-133=350494-310-153=31996+426+60=1482216-(285-268)=199513+214=727178+62=240206+252+528=986351+663-937=77572-43×9=185237-160+414=491752-665-57=3079+382=46157×5=285793-(143+12)=638389×(790-783)=2723269-(21+120)=128117×(107-103)=468154×4+54=670331-10×7=261236+(768-351)=653470-177=293483-451=32787+123×8=1771260-17×6=158768×3=2304366-188=178251+121+144=516109×5=545191+(234-185)=240955-30×8=715174+131=305844×6=5064274+228=50245+138=183533+(724-296)=961585+115=700191+347+411=949926-(355+185)=386622+883-599=906500-64×6=116428-59×7=15194-(262-247)=179232-127+237=342430-58-98=274255+114×6=939202×(422-419)=606192×4+130=898179×(716-713)=537529×2-645=41326×(224-221)=7830+468-146=352539-190=349236-(101+122)=13174+759=933481-294-146=41412×9-413=3295979×(915-911)=3916116-95=21166+(163-35)=294111×7-310=467161+243-202=202674×(615-607)=539292×(95-89)=552200×(304-299)=1000207×(684-675)=1863707×(594-586)=5656321-18×7=195764-683+441=522745-164×2=417765-119×2=527497-(243+86)=16875+154=229105×7-682=53144+124=26849×(522-513)=441476-375-71=30303+63-119=247826-(300+471)=55825+391-831=385492×2-715=2695/8-1/8=4/8394-(182+50)=162377×2-344=41038×9+165=50720×3=6037+24-53=886+466+308=860387+251×2=889493-84-129=280172×5-516=344352-252-76=24338+65=403124×3-209=163128+723+603=145458×9+248=770475-(86+384)=51/6+3/6=4/6869-475+798=1192315×(497-494)=945473-(346-268)=395117×8-457=479666×7-344=4318408-161-170=77210×2-72=348649-(321+145)=183580+675=1255224-121=103211-(491-291)=11670-76×3=442618-386-57=175339×2=678520+82+339=941186-93×2=0172+(426-82)=516631-72×5=27148+145×4=628207+240+231=67899×5-372=12344×7+159=467326-52×4=118182+509+238=929881-785+800=8961/7+4/7=5/769+165×2=399101×(248-243)=505771+726-406=109164×4+47=303392-98×3=98471-382=89288+939-839=388257+441+296=994183×(342-339)=549370+18×3=424157+615-498=274239×3=717604-111×5=49340-(251-112)=201725-256-462=7463-107×3=142176+73=249629-141=488474-34×4=338264-38×3=150733-708=25361-299-25=37511-(652-287)=146962-(286+91)=58525×(176-172)=1001/7+2/7=3/7478+(383-326)=535785×2=1570437-(444-122)=115931-394-132=405153×5+187=952903-(398+398)=107395-73-131=191489-182+163=470822-(504+186)=132228×3+872=1556961-(582-352)=731221+(490-214)=497650×6-987=2913206+63=269335+939-76=1198843+678+549=2070758-(151+581)=26884-517+174=541435-(24+133)=278234+48+111=393368-(112+55)=201465×2+460=1390972+71×9=1611146+338-481=3101-(249-242)=94456-10×3=426233+81×6=719691-14+553=1230177+36=213316-220+311=407764-326-37=401478+424=902485+974-872=587394-(150-51)=295281-(55+208)=18404-41×3=281168×9-651=861120+161-150=131814-96+596=1314651+(910-268)=1293114×2=228456-90×5=693+240×3=813413-97-76=240462-(43+392)=2776×6=456402+447+96=945389-121+187=455627+(901-731)=797421-115=306959-472-355=132401-217=184305-(156-111)=260751-(68+155)=528555+53×5=820230-(161-86)=155479-102+103=480859×9=773126+408-124=310640+802+45=148799×6+343=93734×(226-220)=204432-125-33=274943×(57-51)=5658496-213+30=313462-(289+142)=31465-423+187=229154+48=202883×4=3532193-(83+47)=63963+30×6=114323+(174-22)=175254×4=1016881-(889-704)=696727-(387-158)=498852-(397-234)=6894/9-2/9=2/9281-(261-202)=222556×4=2224540-183×2=174135+228=36313×9+51=1683/6-2/6=1/6473-10=463322+88-149=261381-126-234=21402-14×8=290862-342=520181+153+539=873589+110-95=604717+920-20=1617872-37×4=724850-(418-185)=617265-(314-241)=192188+213=401409×2-114=70491×9=819677+909+764=2350385+415+13=813804-(617-606)=793419×(410-401)=3771509+(929-851)=587754-195=559268+143-273=138432-(194-84)=322855×2-565=1145889+143-753=27932+425+89=546200×2-258=142332-(28