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124×6=136-15=232×2=837×3-236=408+87=631×9=833-99×5=703-606=53×5=106×4+21=445-(669-531)=308-67+199=90×5+369=499-62×3=688+29+10=176×3=654×(662-653)=291-(22+138)=943×8=397-273-58=275-80=495-209+198=480-184-111=263-17-171=5/10-2/10=440-198+617=689+(477-150)=30+128+788=357-(485-180)=906-753+298=450+968-694=762-(735-649)=32+439-314=752-460=462-46×9=418×6-871=2/3-1/3=477-(733-648)=556-421=737+(458-332)=321-(332-19)=260+265+117=245+852+876=935-244+191=444-106=525×5=76×6=785-376=359-(278-222)=347-(224-23)=422-10×5=460-229-79=81×(46-37)=261+369=224×4-429=46×(414-410)=915-551-135=807-149×4=549+703+74=920-83×5=3/7-2/7=134+104=237-(134-22)=943+565-151=782-103×7=358-53×6=625-(262+51)=192+104-53=284×3-741=84×3+808=397+(244-31)=468+266×2=881-531=329×2=817+57+794=324×(303-300)=208+195=293-(62+126)=379-94-247=289-77-123=506+(932-670)=311-71-164=390+99-416=755-270+654=910-672+268=982-899=355×8-355=263-117-83=347+95×5=255-146+354=371-46-221=520-277+316=222×8-106=666×7=189+43+91=514-317+929=523+463-549=404-19+458=85-(325-284)=736+436+217=201+422=115×(194-189)=825-413=43+148+374=570+170+199=883-(222+103)=81+166×3=786×(943-936)=608-61×3=132×7-882=514×9-262=328-(103+106)=1/8+2/8=524×4=53×(380-371)=673-(278+37)=94×(109-105)=123×5-112=456-(299-273)=840-(624-564)=350-69×4=252+(468-423)=2/5-1/5=46×4+465=147+11×7=817-308+976=187×(417-414)=281-199+378=335+176+322=150+336=448-(453-404)=116+223=122+350=463×9=5/8+2/8=289+83+501=17+363-283=27+156+166=843-642+735=465+(135-71)=474-266+16=245-(378-227)=743-192+135=684-(361+106)=509×9-153=145-46+341=201+65=203+(451-35)=597+164+56=402-52×5=550+214-408=259+(573-235)=88+243-15=244+949-658=851+454+285=408-327+301=332-32-151=628-127=193-96×2=900-(516+384)=705+(436-375)=417-63×3=846-(878-489)=760-(326+372)=61×(239-231)=649+920-62=832-(533+197)=138+175=213+(907-289)=302×3=380-(155+69)=107×(283-278)=812+(980-418)=457-257=134×7-311=309-(334-233)=250×2-262=549+95=394×2-418=384-131-66=931-327-501=300-209=894-(946-184)=667×7-409=315-120×2=438+23-91=722+652-622=794×6-984=497-(221+189)=861×9=492-(25+99)=982-(21+556)=846-(757-313)=153+119-227=458+201+222=251-34=429-(30+90)=313-(95+136)=111×4+428=318-195=254+131-202=357+72=62×7+282=434-44=324-89=370+35-106=322-254=63×6+781=560-146+270=99×(821-812)=5/8-1/8=391+394=303-169=248-(145+81)=305-138=268+(470-110)=441-(355+71)=147×5=44×(403-394)=395-316+245=732+(555-164)=130+356=139×2-35=531+986=261+(483-99)=243-21×2=301×(543-534)=284-220-56=211+(444-323)=44×7+509=292+485×2=268×3-295=877+(472-315)=336+127-322=461+344+183=8/10+2/10=51+882+525=4/7-2/7=309+53+298=957-188=251+585+88=982+684-969=493-436=4/9-2/9=42×(80-76)=449-(147+302)=121+451=425-(289+106)=172×5=243×3+160=106×9-852=359+158=829-(707+95)=311-72×3=913-464=477-384-35=397-(205+153)=464-(110+289)=40+266×3=343-81-197=180+504-494=161+35=545-176-185=392-356+165=253-(132+103)=219+278-333=348+258×2=742+871-737=132+(868-11)=314-(369-300)=5/10+3/10=50+181=551×(673-669)=202-130+360=596+61+209=108×8-572=501-385=676+(824-504)=784-339-93=94+313-191=449-115+106=655-(73+138)=407×6=327-244=105×8=152×3=770+851=989-611-269=291×(488-483)=825-371-262=250-37-92=366-87-185=815×5-155=955-(32+600)=24×4+179=585×(627-623)=488+520+809=891-315-292=949+938-725=790+212×4=385-371+69=3/5-1/5=967-(414+439)=58+57=778-294=76×3-93=183×4=836-(16+583)=456-95-144=318-76+153=673-280+715=72×8-399=894-286-195=498-41×2=406+44-123=785-44×4=736-(881-264)=20×6-80=178+177+179=217×4=433+407+583=51×5+410=588-25×8=315-78-170=835+872-24=294+59=125×2-101=780+105-558=374×2=375-137=859+478×2=526-453=57×4-37=937×7=706×2=2/6+3/6=5/8-2/8=99+954-368=405-(220+16)=378-187×2=138×(475-472)=774-(12+595)=155+131+485=3/6-2/6=625×8-829=66+374-246=381+995=736-295-421=332+850=472-(390-152)=291+192+822=767-(709-121)=217-25×5=447-430=836-167-340=571-113=268+(499-254)=476-(462-18)=133+66+396=765-(778-569)=1/6+4/6=161+(321-60)=662+180=399+422+95=137×(406-401)=370+82×6=797×7=443-50×6=147+149+540=213-143+270=117×(399-394)=964×(478-471)=110×(243-234)=695+70-590=61×(298-291)=994+342=13×(193-188)=804+(489-212)=408+(199-50)=264-(209-137)=456-197-85=622-184-140=461-12-201=62+23×5=486×(778-769)=273+76×5=76×(20-16)=496+(114-20)=520+224=329×2+309=198+(365-175)=218-23×8=259-53+970=281+(467-273)=11+(333-177)=526-62×4=471-(156+225)=388-(23+222)=644-410=486-435+193=354-164+654=323+49×3=126×7=715×3-525=189+892-409=106+319+509=792-732+226=284-25-123=448-108×3=85×3=957-338=895-(220+111)=756×(53-46)=179+(889-785)=483+(430-412)=846-328-139=187+162×5=122+(411-20)=479-179×2=639-178-186=689-113-192=899-(579+68)=79+157=19+391+587=901-183=889+658=710-148-220=34×4-64=71×6+250=307+160=1/4+2/4=698-394-20=339-64-194=164+321-355=96×9+439=242+(118-100)=127+64×6=486-394+371=867-81-201=226-(19+56)=272×3-426=421+919-518=303×(276-273)=690+(696-15)=829-(93+142)=933-762=109×3=464-143-160=435-306-80=544-255=683-(211+84)=117+330+282=373×(189-183)=793-103×2=687+949+387=138+293=407×3=199×3=402-36×7=209-99-78=707-(721-192)=113+978+431=177+501+95=730×4-163=294+153-433=110-(485-451)=270-253+224=418-17×9=494+462=603-380+23=118×5-86=191×5-592=93+296=489×6=486-(497-315)=450-399+22=320-(406-351)=557×5-395=56×4+863=584-28×3=158+996-430=600+984+913=266-(296-77)=211×3=496-355=87×4+449=692+(965-111)=160+152=486-(84+356)=970×(21-13)=293×3=396+285+17=89+77=523×6-925=761-(392-25)=807-(613-573)=402-76-52=303×3=916-(846-414)=437-(228+143)=222+40×3=140-23×2=491-(431-376)=456+382-267=934-(537-436)=474-447=454-149×3=167-34×2=711-(660-323)=568+189×3=354-180+642=390+915-327=174-154+45=886-(276+194)=405-134×2=446-205+152=336-24+53=844-355-171=155×5=800+(962-838)=972-218×4=587-(525-161)=117×5-521=319-314+129=395×2+169=174+192-20=186×(608-601)=31+91×7=689-(546-370)=406-(18+253)=163+846+162=133-98+352=793-350-291=307×2=111×6=199×2=996+212-395=881+(490-434)=125×5+89=138-(312-285)=256-(283-200)=442-97=439-240+647=111×5+292=477×4=254+640+482=958-(146+713)=194-(467-441)=361+(364-190)=134+(440-72)=261×7-679=843-17×9=457-438=193+(348-261)=787+50+19=64+417+723=924-51×2=924-(787-46)=427×2-85=37+285+302=127×5-525=151+706-162=436+93×8=571-(870-370)=696-537+50=394-(449-224)=721+314-588=305-51×3=987-701+301=696+(711-206)=5/9+4/9=493-31×7=366+44-283=460+36-491=322×2+155=500-260=326×(799-794)=329×7-638=102×4+383=298-26×5=164+116×6=347-293=346-82=309-148=1/8+6/8=421-412+487=60-42+375=411+520+180=424×5-19=327×7-357=411+294+163=28+92=185×(539-531)=390+48×8=414+182=49×2=458-28×3=241+399+231=63×3=298×2=414+374×2=778×3-245=120+336+161=992-637=318-82+161=774+569-895=902-137=935+712+918=883-298×2=609×(801-795)=108+289=152+177=465-(384-339)=203×9-935=24×7=473-113×2=645-(63+224)=355-48×5=346-36-258=427-57×4=46+366-114=613-202+205=403+(127-59)=576+886=980+262=317×3-47=40+185=600+(649-313)=12×5=837-(917-381)=60+153×6=707×(665-656)=423×8-84=104+(446-352)=610+(439-391)=847+351-600=117-34=551-292=335-(388-312)=732×(272-264)=220+93-168=76+194×4=133+172-18=930-660=312-(43+258)=388-183-159=829-63×3=77×7+247=124×5=847-278-563=320-(227-177)=820-(351+265)=999×6=705-(820-230)=476-(230+83)=115×2=100×8=308×(224-221)=486-(197+233)=417-279+288=376+74-442=289-134-59=160+(238-158)=162+332-286=329+267×3=62+134=738×5=466-(80+186)=237-(261-122)=468-(212-185)=440-(123+20)=867-(113+352)=330+22-67=356-92×3=91+(349-70)=819+290-176=223-80=406×5-25=154×4-509=193-(398-236)=103+259=44×8+324=30×3+838=449-339=856×8=461×2-637=104×(256-252)=183+(492-416)=59×(51-47)=489-418-18=2/8+5/8=204+(486-309)=899+165×5=390+68-162=967+(218-121)=370-35-272=778+354×2=846-531-64=220-(401-385)=449-(467-131)=759+301+682=26+460-367=461+297+218=172×5-262=860×(994-991)=325+(748-578)=278-(136-56)=11×6=246×3+198=14×5+244=385-46-245=498-127×3=253+236+474=786-55-423=188×5-367=5/9+2/9=727+198+183=223+(314-113)=132×(362-359)=293-128+311=226-89=195+208-213=152-134+124=969-57×9=714-127-205=821-518+789=463-130-38=84+354=472-431=27+39×4=307+197+345=921-62=349-(263-134)=798-59+728=16+56×9=242×6=415+198=635×9=706-319-316=822-735-83=105+235=33×(121-114)=143×2-221=295×2-222=209×9=796-48×9=233-165+399=84+338=737+899+847=239+290=478×5-606=220×4-198=843-25×4=602+(913-419)=438+(264-196)=97×4+85=64+14=426+(454-264)=1/7+4/7=795-740+673=856-(460+17)=346+610+637=145+(469-200)=352-59+143=279-(21+17)=679-462+342=416+144+138=136+(284-152)=280-43×5=176-154=746×(142-139)=691×9-668=777×8-614=451+85+822=86×9-79=824×5=160-158+448=278×(152-149)=936-(606+68)=410-369=3/8-1/8=110×(234-231)=392×2+188=653×3=451-100-133=40×(795-790)=423+174+14=733-24×2=150×(448-442)=2/6-1/6=319-22×3=662×(33-26)=65×8-209=104+(164-40)=232-(30+128)=109×(235-228)=14×5=175×(72-67)=373+24-132=188-59=403+589=209+191=399-313=109+200=550+160=545+597-435=465-(153+200)=807×(39-33)=273-(190+81)=108+38×6=671+(709-55)=99-(591-584)=867×3=271+(704-509)=39×(96-88)=992+491-498=921-438×2=190-29×4=242×2+532=149×6=24+18+213=237×(254-250)=184-132+717=218×4-224=319×(528-522)=222+104=716-(194+37)=246×(294-291)=355-(52+106)=284+64=188×(62-59)=571+602-666=359-44×8=500-(79-53)=206+(585-396)=71+367=178+118=100+285-116=148+294=914-568-102=149-84+555=61-25×2=222+463-39=686×(873-866)=574+961=190+(166-148)=435×(947-941)=112+949+163=184×5+932=697+817+915=247-(946-780)=415-(399-258)=372×8-186=832-(182+302)=80×(441-438)=678-213=926-391=538-77=725+(482-24)=677-67×4=142-(25+67)=452-12×2=259-(547-410)=15×6=參考答案124×6=744136-15=121232×2=464837×3-236=2275408+87=495631×9=5679833-99×5=338703-606=9753×5=265106×4+21=445445-(669-531)=307308-67+199=44090×5+369=819499-62×3=313688+29+10=727176×3=528654×(662-653)=5886291-(22+138)=131943×8=7544397-273-58=66275-80=195495-209+198=484480-184-111=185263-17-171=755/10-2/10=3/10440-198+617=859689+(477-150)=101630+128+788=946357-(485-180)=52906-753+298=451450+968-694=724762-(735-649)=67632+439-314=157752-460=292462-46×9=48418×6-871=16372/3-1/3=1/3477-(733-648)=392556-421=135737+(458-332)=863321-(332-19)=8260+265+117=642245+852+876=1973935-244+191=882444-106=338525×5=262576×6=456785-376=409359-(278-222)=303347-(224-23)=146422-10×5=372460-229-79=15281×(46-37)=729261+369=630224×4-429=46746×(414-410)=184915-551-135=229807-149×4=211549+703+74=1326920-83×5=5053/7-2/7=1/7134+104=238237-(134-22)=125943+565-151=1357782-103×7=61358-53×6=40625-(262+51)=312192+104-53=243284×3-741=11184×3+808=1060397+(244-31)=610468+266×2=1000881-531=350329×2=658817+57+794=1668324×(303-300)=972208+195=403293-(62+126)=105379-94-247=38289-77-123=89506+(932-670)=768311-71-164=76390+99-416=73755-270+654=1139910-672+268=506982-899=83355×8-355=2485263-117-83=63347+95×5=822255-146+354=463371-46-221=104520-277+316=559222×8-106=1670666×7=4662189+43+91=323514-317+929=1126523+463-549=437404-19+458=84385-(325-284)=44736+436+217=1389201+422=623115×(194-189)=575825-413=41243+148+374=565570+170+199=939883-(222+103)=55881+166×3=579786×(943-936)=5502608-61×3=425132×7-882=42514×9-262=4364328-(103+106)=1191/8+2/8=3/8524×4=209653×(380-371)=477673-(278+37)=35894×(109-105)=376123×5-112=503456-(299-273)=430840-(624-564)=780350-69×4=74252+(468-423)=2972/5-1/5=1/546×4+465=649147+11×7=224817-308+976=1485187×(417-414)=561281-199+378=460335+176+322=833150+336=486448-(453-404)=399116+223=339122+350=472463×9=41675/8+2/8=7/8289+83+501=87317+363-283=9727+156+166=349843-642+735=936465+(135-71)=529474-266+16=224245-(378-227)=94743-192+135=686684-(361+106)=217509×9-153=4428145-46+341=440201+65=266203+(451-35)=619597+164+56=817402-52×5=142550+214-408=356259+(573-235)=59788+243-15=316244+949-658=535851+454+285=1590408-327+301=382332-32-151=149628-127=501193-96×2=1900-(516+384)=0705+(436-375)=766417-63×3=228846-(878-489)=457760-(326+372)=6261×(239-231)=488649+920-62=1507832-(533+197)=102138+175=313213+(907-289)=831302×3=906380-(155+69)=156107×(283-278)=535812+(980-418)=1374457-257=200134×7-311=627309-(334-233)=208250×2-262=238549+95=644394×2-418=370384-131-66=187931-327-501=103300-209=91894-(946-184)=132667×7-409=4260315-120×2=75438+23-91=370722+652-622=752794×6-984=3780497-(221+189)=87861×9=7749492-(25+99)=368982-(21+556)=405846-(757-313)=402153+119-227=45458+201+222=881251-34=217429-(30+90)=309313-(95+136)=82111×4+428=872318-195=123254+131-202=183357+72=42962×7+282=716434-44=390324-89=235370+35-106=299322-254=6863×6+781=1159560-146+270=68499×(821-812)=8915/8-1/8=4/8391+394=785303-169=134248-(145+81)=22305-138=167268+(470-110)=628441-(355+71)=15147×5=73544×(403-394)=396395-316+245=324732+(555-164)=1123130+356=486139×2-35=243531+986=1517261+(483-99)=645243-21×2=201301×(543-534)=2709284-220-56=8211+(444-323)=33244×7+509=817292+485×2=1262268×3-295=509877+(472-315)=1034336+127-322=141461+344+183=9888/10+2/10=151+882+525=14584/7-2/7=2/7309+53+298=660957-188=769251+585+88=924982+684-969=697493-436=574/9-2/9=2/942×(80-76)=168449-(147+302)=0121+451=572425-(289+106)=30172×5=860243×3+160=889106×9-852=102359+158=517829-(707+95)=27311-72×3=95913-464=449477-384-35=58397-(205+153)=39464-(110+289)=6540+266×3=838343-81-197=65180+504-494=190161+35=196545-176-185=184392-356+165=201253-(132+103)=18219+278-333=164348+258×2=864742+871-737=876132+(868-11)=989314-(369-300)=2455/10+3/10=8/1050+181=231551×(673-669)=2204202-130+360=432596+61+209=866108×8-572=292501-385=116676+(824-504)=996784-339-93=35294+313-191=216449-115+106=440655-(73+138)=444407×6=2442327-244=83105×8=840152×3=456770+851=1621989-611-269=109291×(488-483)=1455825-371-262=192250-37-92=121366-87-185=94815×5-155=3920955-(32+600)=32324×4+179=275585×(627-623)=2340488+520+809=1817891-315-292=284949+938-725=1162790+212×4=1638385-371+69=833/5-1/5=2/5967-(414+439)=11458+57=115778-294=48476×3-93=135183×4=732836-(16+583)=237456-95-144=217318-76+153=395673-280+715=110872×8-399=177894-286-195=413498-41×2=416406+44-123=327785-44×4=609736-(881-264)=11920×6-80=40178+177+179=534217×4=868433+407+583=142351×5+410=665588-25×8=388315-78-170=67835+872-24=1683294+59=353125×2-101=149780+105-558=327374×2=748375-137=238859+478×2=1815526-453=7357×4-37=191937×7=6559706×2=14122/6+3/6=5/65/8-2/8=3/899+954-368=685405-(220+16)=169378-187×2=4138×(475-472)=414774-(12+595)=167155+131+485=7713/6-2/6=1/6625×8-829=417166+374-246=194381+995=1376736-295-421=20332+850=1182472-(390-152)=234291+192+822=1305767-(709-121)=179217-25×5=92447-430=17836-167-340=329571-113=458268+(499-254)=513476-(462-18)=32133+66+396=595765-(778-569)=5561/6+4/6=5/6161+(321-60)=422662+180=842399+422+95=916137×(406-401)=685370+82×6=862797×7=5579443-50×6=143147+149+540=836213-143+270=340117×(399-394)=585964×(478-471)=6748110×(243-234)=990695+70-590=17561×(298-291)=427994+342=133613×(193-188)=65804+(489-212)=1081408+(199-50)=557264-(209-137)=192456-197-85=174622-184-140=298461-12-201=24862+23×5=177486×(778-769)=4374273+76×5=65376×(20-16)=304496+(114-20)=590520+224=744329×2+309=967198+(365-175)=388218-23×8=34259-53+970=1176281+(467-273)=47511+(333-177)=167526-62×4=278471-(156+225)=90388-(23+222)=143644-410=234486-435+193=244354-164+654=844323+49×3=470126×7=882715×3-525=1620189+892-409=672106+319+509=934792-732+226=286284-25-123=136448-108×3=12485×3=255957-338=619895-(220+111)=564756×(53-46)=5292179+(889-785)=283483+(430-412)=501846-328-139=379187+162×5=997122+(411-20)=513479-179×2=121639-178-186=275689-113-192=384899-(579+68)=25279+157=23619+391+587=997901-183=718889+658=1547710-148-220=34234×4-64=7271×6+250=676307+160=4671/4+2/4=3/4698-394-20=284339-64-194=81164+321-355=13096×9+439=1303242+(118-100)=260127+64×6=511486-394+371=463867-81-201=585226-(19+56)=151272×3-426=390421+919-518=822303×(276-273)=909690+(696-15)=1371829-(93+142)=594933-762=171109×3=327464-143-160=161435-306-80=49544-255=289683-(211+84)=388117+330+282=729373×(189-183)=2238793-103×2=587687+949+387=2023138+293=431407×3=1221199×3=597402-36×7=150209-99-78=32707-(721-192)=178113+978+431=1522177+501+95=773730×4-163=2757294+153-433=14110-(485-451)=76270-253+224=241418-17×9=265494+462=956603-380+23=246118×5-86=504191×5-592=36393+296=389489×6=2934486-(497-315)=304450-399+22=73320-(406-351)=265557×5-395=239056×4+863=1087584-28×3=500158+996-430=724600+984+913=2497266-(296-77)=47211×3=633496-355=14187×4+449=797692+(965-111)=1546160+152=312486-(84+356)=46970×(21-13)=7760293×3=879396+285+17=69889+77=166523×6-925=2213761-(392-25)=394807-(613-573)=767402-76-52=274303×3=909916-(846-414)=484437-(228+143)=66222+40×3=342140-23×2=94491-(431-376)=436456+382-267=571934-(537-436)=833474-447=27454-149×3=7167-34×2=99711-(660-323)=374568+189×3=1135354-180+642=816390+915-327=978174-154+45=65886-(276+194)=416405-134×2=137446-205+152=393336-24+53=365844-355-171=318155×5=775800+(962-838)=924972-218×4=100587-(525-161)=223117×5-521=64319-314+129=134395×2+169=959174+192-20=346186×(608-601)=130231+91×7=668689-(546-370)=513406-(18+253)=135163+846+162=1171133-98+352=387793-350-291=152307×2=614111×6=666199×2=398996+212-395=813881+(490-434)=937125×5+89=714138-(312-285)=111256-(283-200)=173442-97=345439-240+647=846111×5+292=847477×4=1908254+640+482=1376958-(146+713)=99194-(467-441)=168361+(364-190)=535134+(440-72)=502261×7-679=1148843-17×9=690457-438=19193+(348-261)=280787+50+19=85664+417+723=1204924-51×2=822924-(787-46)=183427×2-85=76937+285+302=624127×5-525=110151+706-162=695436+93×8=1180571-(870-370)=71696-537+50=209394-(449-224)=169721+314-588=447305-51×3=152987-701+301=587696+(711-206)=12015/9+4/9=1493-31×7=276366+44-283=127460+36-491=5322×2+155=799500-260=240326×(799-794)=1630329×7-638=1665102×4+383=791298-26×5=168164+116×6=860347-293=54346-82=264309-148=1611/8+6/8=7/8421-412+487=49660-42+375=393411+520+180=1111424×5-19=2101327×7-357=1932411+294+163=86828+92=120185×(539-531)=1480390+48×8=774414+182=59649×2=98458-28×3=374241+399+231=87163×3=189298×2=596414+374×2=1162778×3-245=2089120+336+161=617992-637=355318-82+161=397774+569-895=448902-137=765935+712+918=2565883-298×2=287609×(801-795)=3654108+289=397152+177=329465-(384-339)=420203×9-935=89224×7=168473-113×2=247645-(63+224)=358355-48×5=115346-36-258=52427-57×4=19946+366-114=298613-202+205=616403+(127-59)=471576+886=1462980+262=1242317×3-47=90440+185=225600+(649-313)=93612×5=60837-(917-381)=30160+153×6=978707×(665-656)=6363423×8-84=3300104+(446-352)=198610+(439-391)=658847+351-600=598117-34=83551-292=259335-(388-312)=259732×(272-264)=5856220+93-168=14576+194×4=852133+172-18=287930-660=270312-(43+258)=11388-183-159=46829-63×3=64077×7+247=786124×5=620847-278-563=6320-(227-177)=270820-(351+265)=204999×6=5994705-(820-230)=115476-(230+83)=163115×2=230100×8=800308×(224-221)=924486-(197+233)=56417-279+288=426376+74-442=8289-134-59=96160+(238-158)=240162+332-286=208329+267×3=113062+134=196738×5=3690466-(80+186)=200237-(261-122)=98468-(212-185)=441440-(123+20)=297867-(113+352)=402330+22-67=285356-92×3=8091+(349-70)=370819+290-176=933223-80=143406×5-25=2005154×4-509=107193-(398-236)=31103+259=36244×8+324=67630×3+838=928449-339=110856×8=6848461×2-637=285104×(256-252)=416183+(492-416)=25959×(51-47)=236489-418-18=532/8+5/8=7/8204+(486-309)=381899+165×5=1724390+68-162=296967+(218-121)=1064370-35-272=63778+354×2=1486846-531-64=251220-(401-385)=204449-(467-131)=113759+301+682=174226+460-367=119461+297+218=976172×5-262=598860×(994-991)=2580325+(748-578)=495278-(136-56)=19811×6=66246×3+198=93614×5+244=31