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

三年級(jí)數(shù)學(xué)(上)計(jì)算題專(zhuān)項(xiàng)練習(xí)附答案集錦257-202=447-45×5=406-60-74=490-484+180=128+672+393=386-(24+57)=117+700-568=782-745+620=242+534+57=429-376-41=499-(221+50)=100×8-253=826-561=487-(68+68)=271-(236-130)=741×8=579+(895-368)=249×2=229+716+49=360×2-25=415-386+139=75×5-302=533-(463+40)=601-191-276=306-(325-298)=754×5-765=327+188×4=908×(682-675)=159-14+55=319-119-81=533-321-37=83+(301-60)=583×6=660×4-617=952-396×2=562-(746-631)=586+952+331=562-(127+216)=574×5=443-225=879-(286+349)=205+(376-98)=976-210-23=178×8-718=327+893-354=2/5-1/5=688-654=471-190×2=323-(123+106)=126×5+961=227×3+45=576+295-745=713-253=14×9=634×(309-302)=664×4=698-113×6=303+60=336-26+186=631×(947-940)=560+12×2=82+221×3=683-(989-693)=681-(362+133)=126+154-60=205×(407-403)=211×4-826=257-(180-128)=272×8=795×(383-380)=406-(385-251)=274×(129-126)=102+(280-113)=125-52=482-210×2=111×(88-79)=265-(429-211)=597+983-199=257+272+402=798-57=192+(420-284)=473-(94+104)=205+147×4=464-(854-498)=209×3=287+(488-356)=910+765+63=732+(426-179)=2/4-1/4=146×4+237=45×6-95=199×3-100=521+52×7=388-135-180=428-(84+330)=65×(175-171)=5/10+4/10=147+48=191×(379-370)=648-(201+208)=84×5-215=108-41×2=947×(454-446)=383-17×2=405-(12+380)=2/3-1/3=265-(130-11)=343-194=990-552-339=228+(390-219)=398×2+703=164+215=779×4=806×(40-31)=462-(75+360)=355+(252-164)=30×5+791=886-694+321=667×6-884=667×4-694=242+106-283=10×5+393=260×3=99×(270-264)=130+143-259=513-116+788=294+165-356=238-(338-302)=385-252=178+176=292+108+152=404+(405-345)=830-790=932+70×3=356+115=637+111=870+77+595=415-98=214+96=70×(499-493)=191+116×6=202+72×3=623+437=487-(228+64)=120×4=71×6-222=454×(549-546)=492-288+85=246-119+331=306-139×2=957-709=684-134×4=811-167+452=461-(142+171)=506×9-860=265×8=28+467-359=783+669-632=225×(87-84)=616-69+983=996+401+384=479-(33+88)=496+40+425=166+239=845-(484+181)=468-(260+108)=584+(439-267)=121×2+19=287+638=74×7=775-177-378=598-(240+91)=325×2-122=532+(664-503)=1/4+2/4=246-108-36=350-107×2=951-(132+733)=139+577+85=998+370-231=231×(213-209)=818×(781-774)=627+156×6=372-313+145=55+115+23=379-264-110=447-62×5=390+494-733=40+406-54=484-41×4=962+191-996=360-98-120=116×6+144=8/10+2/10=348+103+151=444+(454-53)=932-119×2=156+569=350×2+256=136×6+691=100-43+713=59+117=821-309=340-60×5=248-241+360=878+780=253-159+222=734+400-497=257×4=90+(892-699)=461+(416-335)=716×(832-828)=119+920+282=254-144-101=996+(641-635)=652+(819-354)=447-(110+161)=89+25=74+202=465×2-578=810+568=134×5+30=451-145×3=211+(220-73)=223-(626-551)=477-41×2=691-326=145×4+16=323-211=443+311=614×4-86=728+206=4/8-2/8=719-484=247+100+302=310-93=173+602-151=969-540+113=363+307×2=893×9=456×(27-20)=494+904+892=805-76-413=583×6-762=458+(426-282)=174+92+154=307+(694-156)=281-41×4=256-(454-317)=803-749=372-179×2=964+395+488=646×2-446=340-245=322×3-472=485+309+995=332-277+223=763×(34-27)=15+412-412=260-(346-259)=390-(101+13)=128×(281-278)=83×8-574=917-233+652=529-(719-457)=175×7=116×6=702-455+430=380-(881-508)=621-50×2=32-(260-229)=310-84+99=769×4=670-93×2=868-118=572+164+486=387+263-489=232+262-390=507-(210-53)=97×(224-217)=500-190×2=113+44-61=3/8-2/8=159-(698-560)=483+66×7=930-75×6=442-59×7=346+201+312=60+237=370×2-571=244×2+316=335-105×2=251-211+237=96×5=79+(275-116)=212+(414-167)=180×(762-753)=354+939+247=166×4-647=749×3-443=349+142×4=7/9-2/9=116×5=374-32+92=230-83+302=161×4=326×(187-184)=883-(122+441)=23+321-330=388-(250-84)=901-59×8=574-(281+55)=40×8=160+327-428=150×5+12=43+52-77=85+91-170=297-(434-291)=39×(449-442)=686×3=988-410-257=800-(510+276)=64+65=676+899+596=762×(188-184)=328+49×9=813-(996-703)=39+206×4=359-205=920-(95+711)=364-290+94=554+(387-278)=374-72+76=469+404-363=349-(213+87)=17+(920-715)=262-99=5/8-2/8=260+119=170+(394-306)=904+407=484-318+566=534+(936-628)=311×2-412=17+290-27=429-106×4=368×2-708=236+298×3=900+321+105=301×9=191+94-200=191+220-172=137+262-235=194-21×5=190-(770-705)=978-372+262=88+29×6=343-43=838×4-197=701-21×9=480-(112+135)=329+364+161=829-676-82=417-30×4=974-543=494-70-37=345+110=832×(714-709)=46+86=72+113+357=312+40+663=436-154-190=152-10×2=310×2+329=112+86-159=176+231-21=486-186=584-99=233+543-759=203-154+440=867-186+409=508+281+22=315-(80+198)=650-91=447-127×3=217-69-116=522-152=194+209=431-277-73=490-57×8=83×6=211+165=302+143-245=826-87×6=875-191+803=155×5=408-361+318=385+59×3=52+(224-152)=708-278+986=429-202×2=376-119=259×3-723=157+337=413-239=960×(271-264)=280+158-331=307+(457-180)=122-96-16=349×(81-74)=470-432=920-796=348+(199-58)=562-(799-301)=615-38-74=725+347=75+249=3/5-2/5=503-263+279=969-846-110=4/8+2/8=720-36×2=89×5=748×(627-620)=142+234=469-80×2=532+717-369=96+35=211×4=749+(958-258)=408-(231+87)=122×7-305=108+(465-197)=792+179+28=653+223=479+(444-55)=96×(436-428)=70×(196-191)=345-245+246=88×(475-471)=13+(373-353)=717-(540+144)=325+133=976+637=459-68+69=654×2=12×4+62=74×(989-986)=343×2-484=29×(141-135)=652-(979-421)=489+81×6=296×9=393-78-166=188+222-41=40×(594-590)=191+(231-120)=95+898-555=467-90-148=486-186-209=363-76×3=273×(981-974)=680+631=490-(37+132)=208+191=111-111+169=422-(433-62)=371-320=677×9=73+702+57=84×(91-85)=187-(202-164)=814+25×3=119+45+653=87×8-158=60+275=58×8+106=447+118=133-(840-767)=499-(10+263)=380-130-167=122-17+811=766+(866-156)=159×3+611=82×(168-164)=248+(226-208)=215+79×9=469-(219+29)=570-18×8=787-188×4=391-107-57=361-(322-236)=313+65×4=420-88+98=320×4=964+165+842=489-302=221×3-574=830-385=518+127=209+109+372=414+(389-367)=886-384-249=743-508-62=674+379-926=403-(164-44)=148×2=638×5-958=138×5-415=66+414+115=12+426+860=124×3=437-57=287-50-147=643×7-520=75+309+72=844-56×7=173×(83-78)=142+337=967-(783+105)=491-330+339=203+179-282=1/6+4/6=376-(950-876)=936-553=529-(913-444)=411+224+276=402-70-241=53+278-81=37×7-168=432-43+71=934-(737+104)=291-172+313=918×(466-461)=462-(148+46)=224+217=488-(244-228)=15×9+333=484-468+131=270+107-267=3/7+2/7=98×6=497-50-259=468-370+394=5/8-1/8=456-34-294=58×4-29=40×2-38=119×7=96×(407-400)=307-145-15=308-136-146=261+(886-114)=412-294-106=699-450+416=1/5+3/5=276+84=575-264-277=537-119×3=388-(328-224)=86+50=245+284×2=58×9=436+44-362=102×7=171×4-607=310-21=898-207=487×7-666=21×2=246+103×6=518-81=76×2=427-30×6=599×7=250-21+76=69+(464-132)=705-(527-305)=825+44+92=578-390=115+240+229=382-343+69=474+856-427=60+191=772-194+185=647-152×2=473-417+246=916-149×2=189+213-358=984-473+222=133+673-447=309-(87+27)=426-(245+20)=385+142+300=527-46-26=408-(117+103)=562×3-297=714×7-148=279×3+56=874-264×3=460-(457-404)=754+430-398=975+59-743=660+(966-707)=260+932=276-(101+16)=131×(322-319)=997-795-22=952+639-923=292-110-16=789-641=209+(356-282)=377-(886-806)=535+189+197=241×2=451-(464-94)=886+(498-287)=495-(993-860)=562×9-356=142+(991-117)=164+144-285=556+121=424-229=271-(275-61)=454-204-248=682-411=240+101-339=96×4=476-157=908-106-458=206-(400-261)=360+(561-541)=135-(510-431)=884×8-310=724-(133+256)=86×2=764+969+10=447-294-57=228+376+234=414-(164+52)=20×4+331=541+414+35=13×(65-60)=335+57×7=46+184=203×3+201=772-112×5=118×8-556=740+912-615=993-(232+50)=109×2+55=430+(223-12)=367+76=333+119=433-(363-322)=994×(978-972)=456+708-728=137+(506-248)=891-(19+670)=332-167-115=945+641+631=981×4=78×(956-950)=361-25-16=83×(496-493)=329-(420-162)=678-(12+199)=218×3=111-(198-101)=908-(139+699)=455-136=295-(214-191)=557-(112+92)=393-(50+50)=799×2-623=310+107-151=200+16×3=414+33×6=818-207-65=101+(287-83)=254-(334-220)=88×(308-301)=773+(616-377)=277+359+353=1/6+2/6=341+112+187=629-(106+287)=42×(224-221)=374-20-106=158+77=182×2+55=408-165+107=84×(50-44)=360-18=268+142×2=198+(444-219)=993-(91+873)=608-55+969=236×5-399=908-421×2=923-503-155=903+18-597=2/8+5/8=200×5-399=401×8=231×5-878=952-(357-278)=252-78=799+288+407=116+267+795=453-32×8=965+244×2=65×(224-215)=83×(166-158)=639-560=735-128×3=474-(140+295)=562-315+956=465-125×3=450+(411-137)=127×3+898=160+322×2=258+82-204=352+(977-70)=374-(170-164)=133×4=471-51×3=99+484+227=161×(425-420)=154+(228-201)=962×(326-318)=804-718+303=773×5-770=461-337-76=7/10-2/10=130+44=881+102-496=93×4=877+(679-369)=984-(209+543)=270×7=499-(690-457)=436×7=349-139×2=461-304=453+830-317=422-198-199=165+608=337-72-264=254×2=294-24×8=353-58×5=437-(400-29)=611-322=57×4=622+874+263=364-(379-314)=118+41=122+102=28-14=800-(25+226)=114×6+67=459×(235-229)=625-(136-91)=927-(537-519)=193×2+453=47+(584-130)=307-23×9=345+(259-26)=866-16×3=813-(423-254)=310+966=795×5-704=100×7-664=1/5+2/5=807-127-35=268×3=682-(457-205)=14+113+220=579+841+126=220-148=535-(57+153)=3/8+4/8=372+310×3=287+86-37=138+167+522=259+156-247=169+839+986=396×2-551=404-332=421×2-431=825+842+75=236-79+990=497-(207+20)=280-12×8=12×(85-78)=320-144-23=492-392=331×2-38=842-(247-123)=482-83=7/10+3/10=106+369=604-(642-402)=962-924+59=155×(421-417)=4/8-3/8=680+(812-467)=213-12×4=585×2-660=436-353+613=80+(438-147)=467×2=980×(587-581)=596-92-286=192+212=4/7-2/7=624-306+69=629-140-65=334-176=365-18-279=772×7-633=486-282-68=69×9+74=247-(288-264)=11×(19-11)=926-(338+270)=118×5=166+45=56+(193-32)=208-39×5=977+369-448=693+(766-627)=502-(795-579)=228×8=832-(125+274)=842+690+786=429×2-271=500+826+929=939-274=803×3-551=496×2+103=770-516-240=11+19+451=381-40×7=311+93+119=59×9+758=726-(20-17)=451×7=186+709=991-(618+239)=91+165=368×(724-721)=545×6=429-390+304=475-420=252-101=666-322-151=14+(801-693)=462×9-607=99×8=711-204+884=347-311+490=313-(208+105)=參考答案257-202=55447-45×5=222406-60-74=272490-484+180=186128+672+393=1193386-(24+57)=305117+700-568=249782-745+620=657242+534+57=833429-376-41=12499-(221+50)=228100×8-253=547826-561=265487-(68+68)=351271-(236-130)=165741×8=5928579+(895-368)=1106249×2=498229+716+49=994360×2-25=695415-386+139=16875×5-302=73533-(463+40)=30601-191-276=134306-(325-298)=279754×5-765=3005327+188×4=1079908×(682-675)=6356159-14+55=200319-119-81=119533-321-37=17583+(301-60)=324583×6=3498660×4-617=2023952-396×2=160562-(746-631)=447586+952+331=1869562-(127+216)=219574×5=2870443-225=218879-(286+349)=244205+(376-98)=483976-210-23=743178×8-718=706327+893-354=8662/5-1/5=1/5688-654=34471-190×2=91323-(123+106)=94126×5+961=1591227×3+45=726576+295-745=126713-253=46014×9=126634×(309-302)=4438664×4=2656698-113×6=20303+60=363336-26+186=496631×(947-940)=4417560+12×2=58482+221×3=745683-(989-693)=387681-(362+133)=186126+154-60=220205×(407-403)=820211×4-826=18257-(180-128)=205272×8=2176795×(383-380)=2385406-(385-251)=272274×(129-126)=822102+(280-113)=269125-52=73482-210×2=62111×(88-79)=999265-(429-211)=47597+983-199=1381257+272+402=931798-57=741192+(420-284)=328473-(94+104)=275205+147×4=793464-(854-498)=108209×3=627287+(488-356)=419910+765+63=1738732+(426-179)=9792/4-1/4=1/4146×4+237=82145×6-95=175199×3-100=497521+52×7=885388-135-180=73428-(84+330)=1465×(175-171)=2605/10+4/10=9/10147+48=195191×(379-370)=1719648-(201+208)=23984×5-215=205108-41×2=26947×(454-446)=7576383-17×2=349405-(12+380)=132/3-1/3=1/3265-(130-11)=146343-194=149990-552-339=99228+(390-219)=399398×2+703=1499164+215=379779×4=3116806×(40-31)=7254462-(75+360)=27355+(252-164)=44330×5+791=941886-694+321=513667×6-884=3118667×4-694=1974242+106-283=6510×5+393=443260×3=78099×(270-264)=594130+143-259=14513-116+788=1185294+165-356=103238-(338-302)=202385-252=133178+176=354292+108+152=552404+(405-345)=464830-790=40932+70×3=1142356+115=471637+111=748870+77+595=1542415-98=317214+96=31070×(499-493)=420191+116×6=887202+72×3=418623+437=1060487-(228+64)=195120×4=48071×6-222=204454×(549-546)=1362492-288+85=289246-119+331=458306-139×2=28957-709=248684-134×4=148811-167+452=1096461-(142+171)=148506×9-860=3694265×8=212028+467-359=136783+669-632=820225×(87-84)=675616-69+983=1530996+401+384=1781479-(33+88)=358496+40+425=961166+239=405845-(484+181)=180468-(260+108)=100584+(439-267)=756121×2+19=261287+638=92574×7=518775-177-378=220598-(240+91)=267325×2-122=528532+(664-503)=6931/4+2/4=3/4246-108-36=102350-107×2=136951-(132+733)=86139+577+85=801998+370-231=1137231×(213-209)=924818×(781-774)=5726627+156×6=1563372-313+145=20455+115+23=193379-264-110=5447-62×5=137390+494-733=15140+406-54=392484-41×4=320962+191-996=157360-98-120=142116×6+144=8408/10+2/10=1348+103+151=602444+(454-53)=845932-119×2=694156+569=725350×2+256=956136×6+691=1507100-43+713=77059+117=176821-309=512340-60×5=40248-241+360=367878+780=1658253-159+222=316734+400-497=637257×4=102890+(892-699)=283461+(416-335)=542716×(832-828)=2864119+920+282=1321254-144-101=9996+(641-635)=1002652+(819-354)=1117447-(110+161)=17689+25=11474+202=276465×2-578=352810+568=1378134×5+30=700451-145×3=16211+(220-73)=358223-(626-551)=148477-41×2=395691-326=365145×4+16=596323-211=112443+311=754614×4-86=2370728+206=9344/8-2/8=2/8719-484=235247+100+302=649310-93=217173+602-151=624969-540+113=542363+307×2=977893×9=8037456×(27-20)=3192494+904+892=2290805-76-413=316583×6-762=2736458+(426-282)=602174+92+154=420307+(694-156)=845281-41×4=117256-(454-317)=119803-749=54372-179×2=14964+395+488=1847646×2-446=846340-245=95322×3-472=494485+309+995=1789332-277+223=278763×(34-27)=534115+412-412=15260-(346-259)=173390-(101+13)=276128×(281-278)=38483×8-574=90917-233+652=1336529-(719-457)=267175×7=1225116×6=696702-455+430=677380-(881-508)=7621-50×2=52132-(260-229)=1310-84+99=325769×4=3076670-93×2=484868-118=750572+164+486=1222387+263-489=161232+262-390=104507-(210-53)=35097×(224-217)=679500-190×2=120113+44-61=963/8-2/8=1/8159-(698-560)=21483+66×7=945930-75×6=480442-59×7=29346+201+312=85960+237=297370×2-571=169244×2+316=804335-105×2=125251-211+237=27796×5=48079+(275-116)=238212+(414-167)=459180×(762-753)=1620354+939+247=1540166×4-647=17749×3-443=1804349+142×4=9177/9-2/9=5/9116×5=580374-32+92=434230-83+302=449161×4=644326×(187-184)=978883-(122+441)=32023+321-330=14388-(250-84)=222901-59×8=429574-(281+55)=23840×8=320160+327-428=59150×5+12=76243+52-77=1885+91-170=6297-(434-291)=15439×(449-442)=273686×3=2058988-410-257=321800-(510+276)=1464+65=129676+899+596=2171762×(188-184)=3048328+49×9=769813-(996-703)=52039+206×4=863359-205=154920-(95+711)=114364-290+94=168554+(387-278)=663374-72+76=378469+404-363=510349-(213+87)=4917+(920-715)=222262-99=1635/8-2/8=3/8260+119=379170+(394-306)=258904+407=1311484-318+566=732534+(936-628)=842311×2-412=21017+290-27=280429-106×4=5368×2-708=28236+298×3=1130900+321+105=1326301×9=2709191+94-200=85191+220-172=239137+262-235=164194-21×5=89190-(770-705)=125978-372+262=86888+29×6=262343-43=300838×4-197=3155701-21×9=512480-(112+135)=233329+364+161=854829-676-82=71417-30×4=297974-543=431494-70-37=387345+110=455832×(714-709)=416046+86=13272+113+357=542312+40+663=1015436-154-190=92152-10×2=132310×2+329=949112+86-159=39176+231-21=386486-186=300584-99=485233+543-759=17203-154+440=489867-186+409=1090508+281+22=811315-(80+198)=37650-91=559447-127×3=66217-69-116=32522-152=370194+209=403431-277-73=81490-57×8=3483×6=498211+165=376302+143-245=200826-87×6=304875-191+803=1487155×5=775408-361+318=365385+59×3=56252+(224-152)=124708-278+986=1416429-202×2=25376-119=257259×3-723=54157+337=494413-239=174960×(271-264)=6720280+158-331=107307+(457-180)=584122-96-16=10349×(81-74)=2443470-432=38920-796=124348+(199-58)=489562-(799-301)=64615-38-74=503725+347=107275+249=3243/5-2/5=1/5503-263+279=519969-846-110=134/8+2/8=6/8720-36×2=64889×5=445748×(627-620)=5236142+234=376469-80×2=309532+717-369=88096+35=131211×4=844749+(958-258)=1449408-(231+87)=90122×7-305=549108+(465-197)=376792+179+28=999653+223=876479+(444-55)=86896×(436-428)=76870×(196-191)=350345-245+246=34688×(475-471)=35213+(373-353)=33717-(540+144)=33325+133=458976+637=1613459-68+69=460654×2=130812×4+62=11074×(989-986)=222343×2-484=20229×(141-135)=174652-(979-421)=94489+81×6=975296×9=2664393-78-166=149188+222-41=36940×(594-590)=160191+(231-120)=30295+898-555=438467-90-148=229486-186-209=91363-76×3=135273×(981-974)=1911680+631=1311490-(37+132)=321208+191=399111-111+169=169422-(433-62)=51371-320=51677×9=609373+702+57=83284×(91-85)=504187-(202-164)=149814+25×3=889119+45+653=81787×8-158=53860+275=33558×8+106=570447+118=565133-(840-767)=60499-(10+263)=226380-130-167=83122-17+811=916766+(866-156)=1476159×3+611=108882×(168-164)=328248+(226-208)=266215+79×9=926469-(219+29)=221570-18×8=426787-188×4=35391-107-57=227361-(322-236)=275313+65×4=573420-88+98=430320×4=1280964+165+842=1971489-302=187221×3-574=89830-385=445518+127=645209+109+372=690414+(389-367)=436886-384-249=253743-508-62=173674+379-926=127403-(164-44)=283148×2=296638×5-958=2232138×5-415=27566+414+115=59512+426+860=1298124×3=372437-57=380287-50-147=90643×7-520=398175+309+72=456844-56×7=452173×(83-78)=865142+337=479967-(783+105)=79491-330+339=500203+179-282=1001/6+4/6=5/6376-(950-876)=302936-553=383529-(913-444)=60411+224+276=911402-70-241=9153+278-81=25037×7-168=91432-43+71=460934-(737+104)=93291-172+313=432918×(466-461)=4590462-(148+46)=268224+217=441488-(244-228)=47215×9+333=468484-468+131=147270+107-267=1103/7+2/7=5/798×6=588497-50-259=188468-370+394=4925/8-1/8=4/8456-34-294=12858×4-29=20340×2-38=42119×7=83396×(407-400)=672307-145-15=147308-136-146=26261+(886-114)=1033412-294-106=12699-450+416=6651/5+3/5=4/5276+84=360575-264-277=34537-119×3=180388-(328-224)=28486+50=136245+284×2=81358×9=522436+44-362=118102×7=714171×4-607=77310-21=289898-207=691487×7-666=274321×2=42246+103×6=864518-81=43776×2=152427-30×6=247599×7=4193250-21+76=30569+(464-132)=401705-(527-305)=483825+44+92=961578-390=188115+240+229=584382-343+69=108474+856-427=90360+191=251772-194+185=763647-152×2=343473-417+246=302916-149×2=618189+213-358=44984-473+222=733133+673-447=359309-(87+27)=195426-(245+20)=161385+142+300=827527-46-26=455408-(117+103)=188562×3-297=1389714×7-148=4850279×3+56=893874-264×3=82460-(457-404)=407754+430-398=786975+59-743=291660+(966-707)=919260+932=1192276-(101+16)=159131×(322-319)=393997-795-22=180952+639-923=668292-110-16=166789-641=148209+(356-282)=283377-(886-806)=297535+189+197=921241×2=482451-(464-94)=81886+(498-287)=1097495-(993-860)=362562×9-356=4702142+(991-117)=1016164+144-285=23556+121=677424-229=195271-(275-61)=57454-204-248=2682-411=271240+101-339=296×4=384476-157=319908-106-458=344206-(400-261)=67360+(561-541)=380135-(510-431)=56884×8-310=6762724-(133+256)=33586×2=172764+969+10=1743447-294-57=96228+376+234=838414-(164+52)=19820×4+331=411541+414+35=99013×(65-60)=65335+57×7=73446+184=230203×3+201=810772-112×5=212118×8-556=388740+912-615=1037993-(232+50)=711109×2+55=273430+(223-12)=641367+76=443333+119=452433-(363-322)=392994×(978-972)=5964456+708-728=436137+(506-248)=395891-(19+670)=202332-167-115=50945+641+631=2217981×4=392478×(956-950)=468361-25-16=32083×(496-493)=249329-(420-162)=71678-(12+199)=467218×3=654111-(198-101)=14908-(139+699)=70455-136=319295-(214-191)=272557-(112+92)=353393-(50+50)=293799×2-623=975310+107-151=266200+16×3=248414+33×6=612818-207-65=546101+(287-83)=305254-(334-220)=14088×(308-301)=616773+(616-377)=1012277+359+353=9891/6+2/6=3/6341+112+187=640629-(106+287)=23642×(224-221)=126374-20-106=248158+77=235182×2+55=419408-165+107=35084×(50-44)=504360-18=342268+142×2=552198+(444-219)=423993-(91+873)=29608-55+969=1522236×5-399=781908-421×2=66923-503-155=265903+18-597=3242/8+5/8=7/8200×5-399=601401×8=3208231×5-878=277952-(357-278)=873252-78=174799+288+407=1494116+26