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241×2=658×9=183×5-408=86×7+49=833+274=4/5-1/5=28+443+396=47+347+410=275-56=383+667=122×7-231=63+180=236×4-463=349+149=72×8+259=473-240=374-37×7=461-229-167=489-14=3/8+2/8=112×(317-310)=336+(487-268)=62×9=952+(937-367)=15×9=391+(438-354)=495-18-379=312×3=388-311+12=18×(336-333)=45×2=351-182-130=794-(183+403)=92×5+173=460-(196+227)=462-171+156=893-56+562=761+342×2=653-239×2=435×3-982=661-(564+60)=601-(120+109)=957-764+691=24×9-123=17×6=457-349+164=814+149-352=342-(68+233)=82+370=82×5=97×8=904-879=172+92×2=212+(239-113)=903-513=741-(138-88)=370-(483-442)=799-(41+498)=736-(216+87)=82+313-247=288+745+260=385-(129+88)=447-45×5=164-(41+120)=979-281=364+156×6=68+338-225=3/7-1/7=379+177+201=782-(167+562)=332-(437-226)=738-301+662=134+94+693=266-138=205+214-168=137×4+173=593×(556-551)=930×(523-519)=759-148×2=504+637-134=43+112+212=27×2+90=439-284=71×2+75=159+(212-143)=165×5-135=74+327=224-86+245=446-205×2=783×4=187+615-452=367-351+34=141+(385-302)=288+91=576-(90+393)=35×8=150×6=735-640+599=104×6=738×4-592=907-74×7=699-(135+340)=291-(58+128)=266×(635-630)=497-36-103=892-634-74=78+53-15=327+38-229=226+(301-68)=312+421-666=617-147+126=182×(321-317)=909-(550-119)=65×3=466-311=278-38×3=889-(601-223)=342-42×2=217+222=308+715+407=132+(521-417)=629-84-369=917-(756-613)=55×8-141=116+169-189=17+(950-208)=459-(139+239)=812+564-372=161+246=479×(388-383)=294×(497-494)=91-28-51=131×7-731=227+(116-38)=85×8+109=813+306-553=895-602-36=334-116=80-(242-237)=251+24+42=776-(574+108)=253×3+219=279-149-32=931+453×2=45×9-51=383-(330+36)=222-(353-273)=112+(447-146)=440-(79+260)=401+(997-125)=71+21×2=1/6+3/6=563+504-374=64+617-629=50×(265-261)=78-(106-59)=22+23=740-123-475=45×(379-374)=254-(174-74)=982-(704+181)=102+227-141=83×9-128=177+273-220=492+(836-271)=201-34×2=383+59+265=304+(307-133)=893+630-505=235-161=836-339+371=287+27+563=608+152+732=562-512+993=190+303=789-241×3=812×7=968+(317-247)=202×2+565=296×2+340=478+(221-203)=497+(257-150)=57+140+880=480-273+27=426-384-22=445×2+395=746+861+809=290-40=361+87=58+17=659-467=620-24×6=251+(432-362)=317×3=66-31=966+664+823=502-308-19=117×(99-95)=945+157+451=732-67×8=402-187-127=384×2=118-38=2/5+3/5=146×(143-140)=941-46=191-(422-237)=257-58×3=245+94=480-13-210=432×6=136×(350-346)=751+93×3=172×(38-33)=125+292=392-(128+63)=679×(733-725)=201×4+871=159+327=255+443=260+(115-84)=339×(178-172)=479-412=413-334=56+177=850-(387+202)=49+154-32=536+(912-685)=661+302=769+(318-242)=339-49=394-141×2=418+(424-419)=386×2-656=192×2-358=37×2=871-525=27×(362-355)=652-415-69=407-13-255=924-395×2=43+23+189=56+100×8=3/9+5/9=910-67×5=677×4=558+407+472=906+894+18=73+77×3=266×2+898=348+165×2=947+814+602=476-(327-54)=541-142-206=3/6+2/6=148+295+139=728-558+188=875-277+575=100+63+731=754×5-489=414-(229+96)=437-45×9=545-146-62=925-(927-489)=235×4-801=74+820+61=626+253-854=326-(427-215)=840+(513-17)=324×(487-481)=19×(195-187)=257×(636-631)=600×5-294=271-12×2=85+136+682=678-(133+304)=457-78×5=2/8-1/8=499+219=46×6+79=591+(843-531)=72×(189-184)=776-559+751=463-424+307=509+34+339=891-24×7=655×(83-76)=311+436+138=241+443+828=581×5-916=373+(268-10)=89×6-308=212×4-224=292-89+243=687-226×2=548+809+740=646×9=535-(12+155)=253+210=856-64×9=467-83=21×8-107=797×7=959-(101+441)=821+846-900=59+(355-187)=844-779=318×(105-102)=46×7=608-(845-735)=351-173×2=245-138=4/8-2/8=250-129=218-32=591-27=396-244-16=30×6=737-67-85=283+56-269=962-106-705=935-12-603=131×(376-370)=164×2-108=262-251+213=745-(697-645)=840+215×2=86+27=452+(155-73)=66+(449-131)=135×(437-432)=124×5-252=338+803=5/8-1/8=191-142-28=177-13×9=856-(313+345)=883-(583+252)=383×8=40+172×3=181-(756-649)=3/5-1/5=808+932=244+518+530=408-359=130×2=393-26=202+(460-76)=69×(774-770)=95×3=909-243-87=103-(522-429)=148×3=908-96×2=220-31=441-174=499-(136+97)=118×7+230=528-305=935+909+85=378-140+53=468-(394-158)=117+318-402=198×4=106+286-62=961-153+458=731×(487-484)=105-99+370=257-241+402=364×9-437=635×2-365=342+112+142=50×6=656×8=433-334+206=856-(288+248)=969-797=819+155=842-382=823×9-867=414-69-100=56×8+420=825×(460-456)=391×2-695=339+290+251=111-(200-101)=709-111-350=5/7+2/7=857-611=225+(493-292)=553-(474-213)=566+208=711-141-180=372-222-13=300-90-108=58×(259-251)=895×6-59=906×4=55+(605-127)=616-42×4=958-337-347=4/7+2/7=455-89-313=548-117×3=5/8-2/8=36×5+29=249-13-25=659-(209+427)=555+373+58=401×2-685=43+238=309+(305-199)=423-120-206=7/9-2/9=463+206×2=324+(423-329)=64+178=399+26-170=503×4-635=948-208+315=698-34×9=701-15×5=784×(896-891)=490+116+600=491-(281+142)=455+490+924=74×(481-477)=672+767-659=578×(814-810)=415-(388-306)=891-52×2=591-(151+21)=215×4-724=780×2=303+142=702+313×2=821+887-892=163+260=239-(14+80)=910+(854-717)=826+889-306=2/10+8/10=920-(667+30)=20+65+158=622×9=610-254-180=10+253+169=423-(387-136)=719-112×6=326-259+109=172-90=983-72×3=770-(679-233)=437-(370-149)=522-13=969-(244+83)=495×4-531=70×7-406=607+645=256+96×7=825-354=982-305×2=246+237-247=211×2-352=446-(178+186)=828+(765-117)=201+946=126+309=428-50×3=500-38-166=61+159-134=265+288+415=951-178=755-(421+259)=879×3-484=992+(893-435)=495+(188-98)=485-44×4=680-89-339=549-140-239=473×2-369=326-(673-598)=448-259=40+(302-83)=201-(110+23)=1/10+2/10=229+48×9=252-(77-26)=510+437-600=850-56-60=13+507+197=400-395+163=135+303+484=166×2=4/8-1/8=661-86×4=266+150+571=174+92=784+793-101=279+189×4=329-290+177=94×(826-823)=98×2+60=807+964=24×(297-289)=138×8-605=138+117-112=874+66-544=843-16-691=440×5=622+191×3=85×7+29=782-149=815-(84-30)=259+163+229=500-311+107=127+209=687-(641-221)=555+(756-232)=297+101-140=625-(71+339)=292-271=647×5=693-242-363=172×2=463-127-13=448-131×3=400-298=200-166+232=144×4=865-245=168×9-742=149+256-13=374-158=438+295=326-70×3=282+(951-440)=814-523+222=167×4=958-(961-562)=481-37×9=138×6+176=325-69=27×2=789+397+40=146+199=256+(336-202)=196-105+108=408-132=810-507=886-166-144=863-(966-531)=379-154+88=859+89+139=549×6-999=152-(269-227)=149+(462-217)=800-214×2=991-262=497-(289-65)=495-(396-59)=983+178-16=280×4=909+22-913=116×8-296=231+560-278=29×6+227=62+37=91×7+528=735+261+603=306+444=70×(393-388)=862-784-42=337+(240-30)=916-(501-470)=369×2+27=245-196+68=839×(863-860)=205-(413-291)=811-(674-131)=980×(134-126)=163+235-339=935×(125-120)=419-22×6=235-68-83=168-(177-91)=68+107-34=484-288+97=792-686=117×(677-668)=246+439=306+90=125+(303-261)=902-28×6=87×4=218+126-190=576×9-136=526+111+948=2/6+3/6=503+160-429=857-(262-230)=449-(484-431)=334+436=210+(800-238)=622-310-33=317-64×2=472-233-95=669+35×5=818-114-542=157-(59+95)=259+146=339+73-152=180+10×8=954-669+929=834+351-926=642-139+172=259+147-244=167×(42-38)=754×4=689×2=254+124×4=108×4-195=580×(688-682)=667×9=725-191+73=75+127+145=202+397=866+492=462×9-358=553-397+805=471-312=322-(225+28)=363-48-127=843+487-586=476-23-114=283+321=402-127×2=46+108-18=849-(397-189)=476-(41-12)=237+178+276=570×4=381-152+32=962-918+274=307-27×5=429-61×6=323-242+336=876-(176-80)=256×7=297×(670-667)=2/8+5/8=209+66=75+98=108-(46+60)=161×(225-219)=771-(88+655)=428×3-934=396-(40+239)=432-125×2=65+261+314=995+368+63=647-399+480=792-119-348=433-(360-210)=814+428-554=346-14-155=140-133+359=48×4=419+51-229=94-(122-109)=288+100×6=359+964-739=262-214+95=496×(476-468)=210+899-813=427-(14+390)=863-(107+503)=245-242+476=520+103×9=837+(465-151)=362-85-261=493-148-29=193×5=504-(351-60)=406-(265+32)=482-(257-223)=844-(498+287)=192+68×4=481+207×2=234-29×5=885-(563-349)=115×(400-396)=962×(537-529)=494×8-314=404+(166-118)=438+68+233=819-314-59=390+(898-680)=281-40=186+20-136=209-137+132=986×4=55×7-288=874-(956-607)=483×7=492+686=832-(292+270)=412+(288-208)=63×9+670=74+197=904×5-742=131×4+305=758-262+248=83+(212-130)=382-36×9=494×6=747+214×3=79×(231-222)=830+360-415=494+(899-339)=23×(801-793)=21×(307-299)=995-419=919-853+770=861-(409+263)=517×4-703=798×3-621=475-(29+17)=744×9-554=485×(164-160)=319-29-122=186×4-207=252×2-241=400-86×2=29×3+103=78+(228-141)=479-(123+173)=33+528+222=306-282+304=954-(243+639)=164+196×3=17×4+423=450-(20+402)=278×2+158=484-(38+347)=815×(373-367)=931+(707-601)=468×2-639=645+226=506+476+240=336-(118+136)=335+489+79=97×(260-253)=438+24-391=711-126+497=611-(829-336)=97+153=316×(73-70)=445×2-343=150×5=252×3=163+784=478-81-153=84×(897-893)=681×7-232=242-31×4=19+109+59=635+302=430-(290-73)=491-40×6=333+22×4=180×4-534=151×7-966=899-673-55=713+810-474=333+(868-556)=787-745=24×2=6/8-1/8=481+(480-282)=23×(266-260)=298+120×4=4/7-3/7=94×4-99=425+267-319=211+109=111+(299-234)=163-50-91=75+567+313=722-88+934=206×2-351=243+79×6=461-(302+137)=362-91+576=279-91-170=364-(168+177)=251-(232-126)=648-103=290×7-345=486-19×7=892×(831-827)=153-133+154=115×3+310=55+65+394=110-(234-197)=214-124+383=648-201-147=322×9=338-(476-287)=560-249=472-(42+13)=31+(909-722)=351+(413-81)=2/4-1/4=385+(598-316)=456-(463-260)=177×(145-141)=85×(366-361)=156×(389-386)=207-15×9=390-(171+39)=660+213=419-242=103+148=298-240=262-(205-164)=239×4-221=362+273+80=239-35×6=36+188+111=131+196=274+159-252=363-12=479-24×5=125×2=40×8=755+341-258=907-46×3=223+205=358-46+151=285-(218-203)=313-91+172=287+274×2=414-169×2=141+778+167=763-673+145=482-432+52=269×3+51=488-(185+249)=498×2=530+182+394=438-(207-26)=1/4+2/4=317-(154-90)=102×(76-68)=247-66×2=63+373-40=349-(234-117)=20+319-298=63+(445-362)=594-83×7=357-162=741-603+918=282-52=參考答案241×2=482658×9=5922183×5-408=50786×7+49=651833+274=11074/5-1/5=3/528+443+396=86747+347+410=804275-56=219383+667=1050122×7-231=62363+180=243236×4-463=481349+149=49872×8+259=835473-240=233374-37×7=115461-229-167=65489-14=4753/8+2/8=5/8112×(317-310)=784336+(487-268)=55562×9=558952+(937-367)=152215×9=135391+(438-354)=475495-18-379=98312×3=936388-311+12=8918×(336-333)=5445×2=90351-182-130=39794-(183+403)=20892×5+173=633460-(196+227)=37462-171+156=447893-56+562=1399761+342×2=1445653-239×2=175435×3-982=323661-(564+60)=37601-(120+109)=372957-764+691=88424×9-123=9317×6=102457-349+164=272814+149-352=611342-(68+233)=4182+370=45282×5=41097×8=776904-879=25172+92×2=356212+(239-113)=338903-513=390741-(138-88)=691370-(483-442)=329799-(41+498)=260736-(216+87)=43382+313-247=148288+745+260=1293385-(129+88)=168447-45×5=222164-(41+120)=3979-281=698364+156×6=130068+338-225=1813/7-1/7=2/7379+177+201=757782-(167+562)=53332-(437-226)=121738-301+662=1099134+94+693=921266-138=128205+214-168=251137×4+173=721593×(556-551)=2965930×(523-519)=3720759-148×2=463504+637-134=100743+112+212=36727×2+90=144439-284=15571×2+75=217159+(212-143)=228165×5-135=69074+327=401224-86+245=383446-205×2=36783×4=3132187+615-452=350367-351+34=50141+(385-302)=224288+91=379576-(90+393)=9335×8=280150×6=900735-640+599=694104×6=624738×4-592=2360907-74×7=389699-(135+340)=224291-(58+128)=105266×(635-630)=1330497-36-103=358892-634-74=18478+53-15=116327+38-229=136226+(301-68)=459312+421-666=67617-147+126=596182×(321-317)=728909-(550-119)=47865×3=195466-311=155278-38×3=164889-(601-223)=511342-42×2=258217+222=439308+715+407=1430132+(521-417)=236629-84-369=176917-(756-613)=77455×8-141=299116+169-189=9617+(950-208)=759459-(139+239)=81812+564-372=1004161+246=407479×(388-383)=2395294×(497-494)=88291-28-51=12131×7-731=186227+(116-38)=30585×8+109=789813+306-553=566895-602-36=257334-116=21880-(242-237)=75251+24+42=317776-(574+108)=94253×3+219=978279-149-32=98931+453×2=183745×9-51=354383-(330+36)=17222-(353-273)=142112+(447-146)=413440-(79+260)=101401+(997-125)=127371+21×2=1131/6+3/6=4/6563+504-374=69364+617-629=5250×(265-261)=20078-(106-59)=3122+23=45740-123-475=14245×(379-374)=225254-(174-74)=154982-(704+181)=97102+227-141=18883×9-128=619177+273-220=230492+(836-271)=1057201-34×2=133383+59+265=707304+(307-133)=478893+630-505=1018235-161=74836-339+371=868287+27+563=877608+152+732=1492562-512+993=1043190+303=493789-241×3=66812×7=5684968+(317-247)=1038202×2+565=969296×2+340=932478+(221-203)=496497+(257-150)=60457+140+880=1077480-273+27=234426-384-22=20445×2+395=1285746+861+809=2416290-40=250361+87=44858+17=75659-467=192620-24×6=476251+(432-362)=321317×3=95166-31=35966+664+823=2453502-308-19=175117×(99-95)=468945+157+451=1553732-67×8=196402-187-127=88384×2=768118-38=802/5+3/5=1146×(143-140)=438941-46=895191-(422-237)=6257-58×3=83245+94=339480-13-210=257432×6=2592136×(350-346)=544751+93×3=1030172×(38-33)=860125+292=417392-(128+63)=201679×(733-725)=5432201×4+871=1675159+327=486255+443=698260+(115-84)=291339×(178-172)=2034479-412=67413-334=7956+177=233850-(387+202)=26149+154-32=171536+(912-685)=763661+302=963769+(318-242)=845339-49=290394-141×2=112418+(424-419)=423386×2-656=116192×2-358=2637×2=74871-525=34627×(362-355)=189652-415-69=168407-13-255=139924-395×2=13443+23+189=25556+100×8=8563/9+5/9=8/9910-67×5=575677×4=2708558+407+472=1437906+894+18=181873+77×3=304266×2+898=1430348+165×2=678947+814+602=2363476-(327-54)=203541-142-206=1933/6+2/6=5/6148+295+139=582728-558+188=358875-277+575=1173100+63+731=894754×5-489=3281414-(229+96)=89437-45×9=32545-146-62=337925-(927-489)=487235×4-801=13974+820+61=955626+253-854=25326-(427-215)=114840+(513-17)=1336324×(487-481)=194419×(195-187)=152257×(636-631)=1285600×5-294=2706271-12×2=24785+136+682=903678-(133+304)=241457-78×5=672/8-1/8=1/8499+219=71846×6+79=355591+(843-531)=90372×(189-184)=360776-559+751=968463-424+307=346509+34+339=882891-24×7=723655×(83-76)=4585311+436+138=885241+443+828=1512581×5-916=1989373+(268-10)=63189×6-308=226212×4-224=624292-89+243=446687-226×2=235548+809+740=2097646×9=5814535-(12+155)=368253+210=463856-64×9=280467-83=38421×8-107=61797×7=5579959-(101+441)=417821+846-900=76759+(355-187)=227844-779=65318×(105-102)=95446×7=322608-(845-735)=498351-173×2=5245-138=1074/8-2/8=2/8250-129=121218-32=186591-27=564396-244-16=13630×6=180737-67-85=585283+56-269=70962-106-705=151935-12-603=320131×(376-370)=786164×2-108=220262-251+213=224745-(697-645)=693840+215×2=127086+27=113452+(155-73)=53466+(449-131)=384135×(437-432)=675124×5-252=368338+803=11415/8-1/8=4/8191-142-28=21177-13×9=60856-(313+345)=198883-(583+252)=48383×8=306440+172×3=556181-(756-649)=743/5-1/5=2/5808+932=1740244+518+530=1292408-359=49130×2=260393-26=367202+(460-76)=58669×(774-770)=27695×3=285909-243-87=579103-(522-429)=10148×3=444908-96×2=716220-31=189441-174=267499-(136+97)=266118×7+230=1056528-305=223935+909+85=1929378-140+53=291468-(394-158)=232117+318-402=33198×4=792106+286-62=330961-153+458=1266731×(487-484)=2193105-99+370=376257-241+402=418364×9-437=2839635×2-365=905342+112+142=59650×6=300656×8=5248433-334+206=305856-(288+248)=320969-797=172819+155=974842-382=460823×9-867=6540414-69-100=24556×8+420=868825×(460-456)=3300391×2-695=87339+290+251=880111-(200-101)=12709-111-350=2485/7+2/7=1857-611=246225+(493-292)=426553-(474-213)=292566+208=774711-141-180=390372-222-13=137300-90-108=10258×(259-251)=464895×6-59=5311906×4=362455+(605-127)=533616-42×4=448958-337-347=2744/7+2/7=6/7455-89-313=53548-117×3=1975/8-2/8=3/836×5+29=209249-13-25=211659-(209+427)=23555+373+58=986401×2-685=11743+238=281309+(305-199)=415423-120-206=977/9-2/9=5/9463+206×2=875324+(423-329)=41864+178=242399+26-170=255503×4-635=1377948-208+315=1055698-34×9=392701-15×5=626784×(896-891)=3920490+116+600=1206491-(281+142)=68455+490+924=186974×(481-477)=296672+767-659=780578×(814-810)=2312415-(388-306)=333891-52×2=787591-(151+21)=419215×4-724=136780×2=1560303+142=445702+313×2=1328821+887-892=816163+260=423239-(14+80)=145910+(854-717)=1047826+889-306=14092/10+8/10=1920-(667+30)=22320+65+158=243622×9=5598610-254-180=17610+253+169=432423-(387-136)=172719-112×6=47326-259+109=176172-90=82983-72×3=767770-(679-233)=324437-(370-149)=216522-13=509969-(244+83)=642495×4-531=144970×7-406=84607+645=1252256+96×7=928825-354=471982-305×2=372246+237-247=236211×2-352=70446-(178+186)=82828+(765-117)=1476201+946=1147126+309=435428-50×3=278500-38-166=29661+159-134=86265+288+415=968951-178=773755-(421+259)=75879×3-484=2153992+(893-435)=1450495+(188-98)=585485-44×4=309680-89-339=252549-140-239=170473×2-369=577326-(673-598)=251448-259=18940+(302-83)=259201-(110+23)=681/10+2/10=3/10229+48×9=661252-(77-26)=201510+437-600=347850-56-60=73413+507+197=717400-395+163=168135+303+484=922166×2=3324/8-1/8=3/8661-86×4=317266+150+571=987174+92=266784+793-101=1476279+189×4=1035329-290+177=21694×(826-823)=28298×2+60=256807+964=177124×(297-289)=192138×8-605=499138+117-112=143874+66-544=396843-16-691=136440×5=2200622+191×3=119585×7+29=624782-149=633815-(84-30)=761259+163+229=651500-311+107=296127+209=336687-(641-221)=267555+(756-232)=1079297+101-140=258625-(71+339)=215292-271=21647×5=3235693-242-363=88172×2=344463-127-13=323448-131×3=55400-298=102200-166+232=266144×4=576865-245=620168×9-742=770149+256-13=392374-158=216438+295=733326-70×3=116282+(951-440)=793814-523+222=513167×4=668958-(961-562)=559481-37×9=148138×6+176=1004325-69=25627×2=54789+397+40=1226146+199=345256+(336-202)=390196-105+108=199408-132=276810-507=303886-166-144=576863-(966-531)=428379-154+88=313859+89+139=1087549×6-999=2295152-(269-227)=110149+(462-217)=394800-214×2=372991-262=729497-(289-65)=273495-(396-59)=158983+178-16=1145280×4=1120909+22-913=18116×8-296=632231+560-278=51329×6+227=40162+37=9991×7+528=1165735+261+603=1599306+444=75070×(393-388)=350862-784-42=36337+(240-30)=547916-(501-470)=885369×2+27=765245-196+68=117839×(863-860)=2517205-(413-291)=83811-(674-131)=268980×(134-126)=7840163+235-339=59935×(125-120)=4675419-22×6=287235-68-83=84168-(177-91)=8268+107-34=141484-288+97=293792-686=106117×(677-668)=1053246+439=685306+90=396125+(303-261)=167902-28×6=73487×4=348218+126-190=154576×9-136=5048526+111+948=15852/6+3/6=5/6503+160-429=234857-(262-230)=825449-(484-431)=396334+436=770210+(800-238)=772622-310-33=279317-64×2=189472-233-95=144669+35×5=844818-114-542=162157-(59+95)=3259+146=405339+73-152=260180+10×8=260954-669+929=1214834+351-926=259642-139+172=675259+147-244=162167×(42-38)=668754×4=3016689×2=1378254+124×4=750108×4-195=237580×(688-682)=3480667×9=6003725-191+73=60775+127+145=347202+397=599866+492=1358462×9-358=3800553-397+805=961471-312=159322-(225+28)=69363-48-127=188843+487-586=744476-23-114=339283+321=604402-127×2=14846+108-18=136849-(397-189)=641476-(41-12)=447237+178+276=691570×4=2280381-152+32=261962-918+274=318307-27×5=172429-61×6=63323-242+336=417876-(176-80)=780256×7=1792297×(670-667)=8912/8+5/8=7/8209+66=27575+98=173108-(46+60)=2161×(225-219)=966771-(88+655)=28428×3-934=350396-(40+239)=117432-125×2=18265+261+314=640995+368+63=1426647-399+480=728792-119-348=325433-(360-210)=283814+428-554=688346-14-155=177140-133+359=36648×4=192419+51-229=24194-(122-109)=81288+100×6=888359+964-739=584262-214+95=143496×(476-468)=3968210+899-813=296427-(14+390)=23863-(107+503)=253245-242+476=479520+103×9=1447837+(465-151)=1151362-85-261=16493-148-29=316193×5=965504-(351-60)=213406-(265+32)=109482-(257-223)=448844-(498+287)=59192+68×4=464481+207×2=895234-29×5=89885-(563-349)=671115×(400-396)=460962×(537-529)=7696494×8-314=3638404+(166-118)=452438+68+233=739819-314-59=446390+(898-680)=608281-40=241186+20-136=70209-137+132=204986×4=394455×7-288=97874-(956-607)=525483×7=3381492+686=1178832-(292+270)=270412+(288-208)=49263×9+670=123774+197=271904×5-742=3778131×4+305=