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

三年級數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦213+532-254=486+(311-12)=208+579+138=309-65+41=557-346+719=26+(351-234)=309×2-348=484-100=402-27×6=606×(620-615)=967-26-602=795-37×2=714×7-446=133×6=45×2+281=430-(10+80)=256+467×2=589+904-557=628-(110-76)=867+791-387=75+701-536=464-384=486×2+423=932-(691-303)=580-36×7=211-27-27=866-450-202=618-364=255+182×3=366-(35+103)=512+25+365=85×(195-190)=989-611=495+809-15=487-408+344=148-40=13×(206-201)=478+968+775=231-59=932-(492+287)=532-(403-349)=435×(169-161)=203-(131+43)=917-(82+139)=16×(282-273)=309-136-64=194×3+268=22×(788-783)=143+102=204+258-32=233+280×2=701-(939-486)=335-(193+46)=257+418=99×(178-174)=342+158=304-38×4=186+227-280=622-472=471×2+562=143×5-509=369×2-325=316×(400-397)=148+126=129+428=46×6=918+366+923=86+465+810=151+272-269=372-196-122=971×7=583+892-595=252-(107+137)=236×(126-120)=190×5-213=649+135=123×2-192=550-427+58=587+(950-341)=482×6-702=866×(37-29)=303-(19+71)=398-(87+178)=855+224-740=535×9=808-(437-149)=392+(382-204)=495-25=251+497=817+503=638+453+849=273-203+38=487-(232+175)=577×(718-715)=912×8=681+(259-220)=182-69=74×(59-54)=390×2-609=769-(249+172)=952-216-78=786-270-62=83×5=87-(337-263)=177+203=13+383+418=954-(227+225)=1/8+2/8=724-(572-548)=71+26=897-573-209=153×4+920=863-350-13=843+(717-672)=247+160+441=478-(382+86)=896-(821+74)=2/9+6/9=774-560+327=229×3=400×4=397-179-126=712+(855-645)=323-(473-414)=103+72-169=439+941-912=305×2-177=979-110×5=584×9=844-92×2=490+(846-746)=770-(396-67)=136×(942-935)=174+(476-222)=587×2-165=86×(227-220)=358+34×7=791-47×8=98×(48-45)=318-97=428-174+123=447-405+859=199×(921-916)=477-445+66=756-222×2=355+(86-17)=598×9-695=422×2=893+923-844=690-116-169=469-73-23=63×5=315-53×3=298-12=6/9-2/9=53+113×5=380-(169+43)=97×7-95=665-585+96=769×2=530×(282-277)=931-809+780=772-(688+26)=363+335+210=227-28×8=268+210+479=402×9-492=450+676+568=703-146=432+(867-432)=99×9-626=473+(68-57)=721-(545-221)=831-(966-445)=496-(335+10)=824-257×2=46+522+153=252-15+187=489-162=592-210-245=99-15=241×5-700=820-343=373-369+95=849+(613-214)=124-107=109-14=926-13-555=405-(255-66)=135-(363-241)=372-78+129=756-(836-308)=582-277=392-98×3=175×(83-79)=769-(814-553)=344×(530-523)=441-308+113=615×(394-387)=947-108×2=849×4-958=635+150=986-214+581=124×(47-43)=140+(380-95)=810×3=916+220-15=118+64=831-(96+715)=698-46×9=895-(197+614)=287×8-760=580+54×7=166×4-102=395-386+333=342-333+216=130+429+150=642-11+87=994×8=394-288+430=123×6=42×9-346=16×4=404-(440-90)=269-(34+232)=366-12×9=33×8-48=130+328=478-333-61=134+184=169×3+66=109×(985-980)=638-(509-151)=990×6=666×3-16=339×2=614×7=3/6-2/6=743+568-707=278-178+489=317-168=553-(659-441)=49-(88-77)=445-142=461-107×3=151×4=690+481=328-95×2=238-(147-91)=781+152-103=456-(54+129)=635-291+366=373+69=934-(794+57)=894×(790-785)=477+(481-414)=992-(468+178)=687×2-339=159+606+12=180×2=390+(57-24)=426-(199+59)=409×(973-968)=111+302=468-21-416=67×(486-481)=117×4=618-(363-207)=618+960+570=176×3=254×6=174+(219-200)=72+95=157+104+53=83×3+167=89×4+67=521-212-58=223+107=717-(440+33)=137+86-120=436+16+147=451-201-19=627-476+888=215×7-256=680-665+514=197+91=108-(371-359)=155+(798-614)=1/5+4/5=559+546+384=68-(21+36)=57+249-124=487-52-139=209+254=450×9-171=586-290+432=960+128×4=408+67×8=280+163-42=748-154-56=2/7+4/7=460+(102-19)=410-(132+58)=70+169+77=335-(158+137)=486×2-743=545-142=73×5+380=415+(448-329)=97×(131-124)=192-142+256=441+898+499=119×5+572=491+(289-188)=734+375=220-192+332=188+290-389=996-(931+64)=29×(458-450)=471×7-986=91×6=64×9+431=781-333-379=607+461+435=4/8-3/8=399+(474-340)=480-188+337=364+(763-499)=189-(22+154)=202+223=202-(240-234)=101+627+197=98-(838-767)=614-91-319=58×(296-289)=101×7=86×4+15=537+642+566=784-547-226=79+74×9=200+47=93×(437-434)=686+272+599=324-142-174=56+(371-342)=41×5=133×9-30=371-(310-38)=463+261+110=512×2-29=358-88×2=319-(88+72)=239+65=451-126×2=915-707+759=369+313=292×8=467-348+165=26×6=703-82×8=619-464=733-(532+112)=334+82=311-14-182=746+(590-290)=5/6-1/6=593-(679-560)=173-17×3=142×(218-212)=837-(286+420)=3/5+2/5=792+(413-138)=15+(359-40)=106-(10+12)=166-(227-123)=687-441=434×2=868-(280+315)=136+209=912-70×6=453-(363-330)=801×8=753×8-156=335-(94+37)=1/6+3/6=977-194×2=4/6+2/6=385-79×2=914+26+106=979-(428+527)=59-(117-86)=115-19×6=112+(415-73)=728-89+885=585+195+134=250+(421-401)=434+59-324=328-120-141=96-33+267=261-123-101=929-840+130=726-401-57=195-(111+11)=287×2=334-(536-433)=438-47-134=262+(998-128)=149×5-209=135+446-42=251-163=949+407-325=4/6-2/6=129×6+94=300+735-300=303×(32-27)=281×8-116=376×2=529+(940-487)=132-33×3=473-29-300=429-(416-391)=611-282=1/4+2/4=302+78-107=25+856-250=417-(25+383)=353+57-341=573-15×2=450-345=436+246=268×2+76=37×(86-78)=463-200×2=127-27-96=456-90-336=461-30=756+92+297=383+297=297-16×5=107-94=385-47=361+472+149=791+279-314=584+403+99=928-(531-40)=151×3-331=172+293=486-(362+36)=887×2-189=235-37×3=119×3-123=908-75-48=444-444+439=213-162-13=934+845-269=373×2-349=615+76+307=137×7+342=113×(362-356)=338-(458-417)=483+(871-541)=299-(168-47)=93×3-266=74×(76-71)=805-359-164=95×8-221=263×3=452-62×4=2/4-1/4=416+114+17=108+385-121=898-84+542=578-(721-405)=222-59=591+227-734=168×(132-129)=380-279=325+(109-38)=241+(451-329)=279-47+44=64×7=108×7+803=93×9-377=731-461-144=438+(91-60)=364-196+261=3/7+2/7=413-207+650=223-170=958×(240-232)=236+933+770=191-(237-97)=65+(436-105)=225+430=3/5-1/5=85×7-450=519-94=549-76×5=133×3=127×(142-136)=191+734=132×(26-18)=510-73=250-127=553-379=106×5+276=239+43=74+265=387-188=90+165=59-(206-149)=971×(659-651)=378×2-469=209+180=928-18×6=87×5=459×3-922=436+937-562=264+(70-30)=38+114=632-102+470=807×7=154-47+377=919-(671-127)=646-108×2=4/8-1/8=371-296+65=283-162+222=276+39-278=937+105×8=763-426-155=641+108×6=720+365-940=514×8=385-176=126×(370-366)=472-161×2=150×3=253-(130+108)=837-(78+548)=406-143+77=91-(167-151)=837+(904-775)=161-82+167=774×9=216+256+294=467-106=187+(564-450)=242+73=270-63×3=636+385=464+721+194=493+(361-125)=109+774-411=63+114×4=438-(343+56)=3/8-1/8=224+263-435=210×4=306×(40-37)=37×(98-95)=344-(349-118)=306×2=499-359=60+148=37+(124-24)=2/5-1/5=232-133-87=471-423+321=474+83×4=452-53×8=234+(824-104)=327-71-103=182+605=501-(159+58)=143×4+599=960×(117-113)=106+346-418=150+(497-228)=759-619+407=11×9+326=316+210+392=21+147×4=428-51×4=145+123-123=36×(111-108)=517-107+795=302-(120+71)=333+134=485-(14+299)=97+41=356+183+345=499-16=723-376=381-(476-395)=103+(362-170)=337-194=381+134×4=962-69×3=828×8-797=94+225×3=373-32×7=495+284=154-23=133+253-23=183-(175-41)=790-281-54=1/8+5/8=710+22+251=977×(294-287)=365-(154-18)=913+16×8=289-(325-218)=770+833-748=200-39-65=303+120=820+30×4=481×5-55=274+570=498-337-153=219×4=738-92×4=113-22×5=227-(452-269)=344+116-440=604-(396+100)=498-(25+53)=387-130-150=882×7=227-(184-108)=706+(262-21)=415×(932-924)=281-42-110=1/5+2/5=998-(205+578)=148-42=574-269-12=209+64×2=277+48×2=640-312-56=761×7=161×3-296=347-79=953+189×4=33+119+450=39+401-122=350-(646-563)=791+127×7=289-52×5=779-520=878×2=306+189-428=194+299-80=269+228+180=162×2=914-(742-710)=364-127-155=632×2-406=914-26×5=285+(946-898)=291×(23-20)=905-717=389-(118+119)=411×7-638=387×2=557+690+709=301-87×3=160+202=94+898+165=267×2+554=80+28=261×8=884×3=276+249+182=391+479+309=395+(232-123)=438×2+117=601+307+424=197×3=861×2=229-32×2=521-(18+110)=829+862-29=308-262=321×(900-892)=274+85-122=472-(239-180)=167+444+146=171-140+339=805+276+637=343+(440-115)=219×(219-216)=895-715=787-69×5=11×3+71=827×9=793-84+364=397-202-10=41+346-94=865-542=607+(789-144)=967-249×2=257+115×6=428-(447-323)=326+960=431×2+17=515+656+844=127×6=276-150=486-154×3=468×2-378=973-656-151=419-270+341=810+(986-79)=935-374-65=381-214+17=251+(487-395)=959-627+936=224×3-292=398+(238-10)=382-(78+263)=216+185+610=327-15-272=826-61-187=740×(424-419)=688+790+518=691-440=908+671-378=134-29-66=171-51×3=231×3+61=361-(120+148)=179×3-207=164-(80+55)=138×7-278=86×6-184=293-122-141=254×(417-411)=695×(912-905)=992-35+761=986×(753-746)=422+290=183+(953-637)=11+714+818=391-109=197-(247-137)=467+905=405×2+897=974×(150-145)=403-32-19=111+39=380+201+143=22×(221-217)=651×5-622=4/5-1/5=196+30+618=904-(317+60)=16+(260-49)=27×7-49=386-(955-941)=71×9-591=839-(827-239)=293+924=278+202-262=341-(195+72)=236+202×3=511+241+420=398+30+490=607-99+334=289-(368-87)=996+967-546=279-218+395=789-184-436=67+223×3=176+93=381+302+97=370×(393-388)=198+(345-228)=638+146+72=649+119×5=6/8+2/8=980+629-331=450-114×3=555+976-619=370-10×2=54+433-336=167-(374-330)=454-136=243+192×5=990-413=480+259-657=104+236-264=199-(249-231)=197×5+573=430-(721-510)=625+(997-418)=628-(769-721)=581-10=184-(25+81)=182-159=193×(240-237)=75×7=822-(459+208)=824+845=171-62+110=115+35=247×(221-217)=213-42×2=340+88×6=290×7-78=756-(865-567)=709+439+509=326-218=103×(77-68)=23×3+210=68×8=464-179=347×5=259-(94+79)=3/4-1/4=361-14×8=450-170×2=665+699=324-118×2=269+84-252=94×5+269=189×3+389=223+110=279+123-191=311-(410-231)=49+(289-284)=744-32×3=896×4-499=229-84+145=334+17-210=271+169-205=465+(818-215)=954-329-347=965-110×6=730+99×2=446+(130-30)=122+204+172=167×2=474-69×2=931-834+59=166×6-434=129+577=148+467+692=112×3-219=75×4+74=735-(367+17)=986-794+377=607+96×9=456-338+23=240×4-811=781-161-406=54×9=468-98-234=341+(861-329)=882×(328-324)=832-332-44=667+468-991=119×6-131=505-59×7=參考答案213+532-254=491486+(311-12)=785208+579+138=925309-65+41=285557-346+719=93026+(351-234)=143309×2-348=270484-100=384402-27×6=240606×(620-615)=3030967-26-602=339795-37×2=721714×7-446=4552133×6=79845×2+281=371430-(10+80)=340256+467×2=1190589+904-557=936628-(110-76)=594867+791-387=127175+701-536=240464-384=80486×2+423=1395932-(691-303)=544580-36×7=328211-27-27=157866-450-202=214618-364=254255+182×3=801366-(35+103)=228512+25+365=90285×(195-190)=425989-611=378495+809-15=1289487-408+344=423148-40=10813×(206-201)=65478+968+775=2221231-59=172932-(492+287)=153532-(403-349)=478435×(169-161)=3480203-(131+43)=29917-(82+139)=69616×(282-273)=144309-136-64=109194×3+268=85022×(788-783)=110143+102=245204+258-32=430233+280×2=793701-(939-486)=248335-(193+46)=96257+418=67599×(178-174)=396342+158=500304-38×4=152186+227-280=133622-472=150471×2+562=1504143×5-509=206369×2-325=413316×(400-397)=948148+126=274129+428=55746×6=276918+366+923=220786+465+810=1361151+272-269=154372-196-122=54971×7=6797583+892-595=880252-(107+137)=8236×(126-120)=1416190×5-213=737649+135=784123×2-192=54550-427+58=181587+(950-341)=1196482×6-702=2190866×(37-29)=6928303-(19+71)=213398-(87+178)=133855+224-740=339535×9=4815808-(437-149)=520392+(382-204)=570495-25=470251+497=748817+503=1320638+453+849=1940273-203+38=108487-(232+175)=80577×(718-715)=1731912×8=7296681+(259-220)=720182-69=11374×(59-54)=370390×2-609=171769-(249+172)=348952-216-78=658786-270-62=45483×5=41587-(337-263)=13177+203=38013+383+418=814954-(227+225)=5021/8+2/8=3/8724-(572-548)=70071+26=97897-573-209=115153×4+920=1532863-350-13=500843+(717-672)=888247+160+441=848478-(382+86)=10896-(821+74)=12/9+6/9=8/9774-560+327=541229×3=687400×4=1600397-179-126=92712+(855-645)=922323-(473-414)=264103+72-169=6439+941-912=468305×2-177=433979-110×5=429584×9=5256844-92×2=660490+(846-746)=590770-(396-67)=441136×(942-935)=952174+(476-222)=428587×2-165=100986×(227-220)=602358+34×7=596791-47×8=41598×(48-45)=294318-97=221428-174+123=377447-405+859=901199×(921-916)=995477-445+66=98756-222×2=312355+(86-17)=424598×9-695=4687422×2=844893+923-844=972690-116-169=405469-73-23=37363×5=315315-53×3=156298-12=2866/9-2/9=4/953+113×5=618380-(169+43)=16897×7-95=584665-585+96=176769×2=1538530×(282-277)=2650931-809+780=902772-(688+26)=58363+335+210=908227-28×8=3268+210+479=957402×9-492=3126450+676+568=1694703-146=557432+(867-432)=86799×9-626=265473+(68-57)=484721-(545-221)=397831-(966-445)=310496-(335+10)=151824-257×2=31046+522+153=721252-15+187=424489-162=327592-210-245=13799-15=84241×5-700=505820-343=477373-369+95=99849+(613-214)=1248124-107=17109-14=95926-13-555=358405-(255-66)=216135-(363-241)=13372-78+129=423756-(836-308)=228582-277=305392-98×3=98175×(83-79)=700769-(814-553)=508344×(530-523)=2408441-308+113=246615×(394-387)=4305947-108×2=731849×4-958=2438635+150=785986-214+581=1353124×(47-43)=496140+(380-95)=425810×3=2430916+220-15=1121118+64=182831-(96+715)=20698-46×9=284895-(197+614)=84287×8-760=1536580+54×7=958166×4-102=562395-386+333=342342-333+216=225130+429+150=709642-11+87=718994×8=7952394-288+430=536123×6=73842×9-346=3216×4=64404-(440-90)=54269-(34+232)=3366-12×9=25833×8-48=216130+328=458478-333-61=84134+184=318169×3+66=573109×(985-980)=545638-(509-151)=280990×6=5940666×3-16=1982339×2=678614×7=42983/6-2/6=1/6743+568-707=604278-178+489=589317-168=149553-(659-441)=33549-(88-77)=38445-142=303461-107×3=140151×4=604690+481=1171328-95×2=138238-(147-91)=182781+152-103=830456-(54+129)=273635-291+366=710373+69=442934-(794+57)=83894×(790-785)=4470477+(481-414)=544992-(468+178)=346687×2-339=1035159+606+12=777180×2=360390+(57-24)=423426-(199+59)=168409×(973-968)=2045111+302=413468-21-416=3167×(486-481)=335117×4=468618-(363-207)=462618+960+570=2148176×3=528254×6=1524174+(219-200)=19372+95=167157+104+53=31483×3+167=41689×4+67=423521-212-58=251223+107=330717-(440+33)=244137+86-120=103436+16+147=599451-201-19=231627-476+888=1039215×7-256=1249680-665+514=529197+91=288108-(371-359)=96155+(798-614)=3391/5+4/5=1559+546+384=148968-(21+36)=1157+249-124=182487-52-139=296209+254=463450×9-171=3879586-290+432=728960+128×4=1472408+67×8=944280+163-42=401748-154-56=5382/7+4/7=6/7460+(102-19)=543410-(132+58)=22070+169+77=316335-(158+137)=40486×2-743=229545-142=40373×5+380=745415+(448-329)=53497×(131-124)=679192-142+256=306441+898+499=1838119×5+572=1167491+(289-188)=592734+375=1109220-192+332=360188+290-389=89996-(931+64)=129×(458-450)=232471×7-986=231191×6=54664×9+431=1007781-333-379=69607+461+435=15034/8-3/8=1/8399+(474-340)=533480-188+337=629364+(763-499)=628189-(22+154)=13202+223=425202-(240-234)=196101+627+197=92598-(838-767)=27614-91-319=20458×(296-289)=406101×7=70786×4+15=359537+642+566=1745784-547-226=1179+74×9=745200+47=24793×(437-434)=279686+272+599=1557324-142-174=856+(371-342)=8541×5=205133×9-30=1167371-(310-38)=99463+261+110=834512×2-29=995358-88×2=182319-(88+72)=159239+65=304451-126×2=199915-707+759=967369+313=682292×8=2336467-348+165=28426×6=156703-82×8=47619-464=155733-(532+112)=89334+82=416311-14-182=115746+(590-290)=10465/6-1/6=4/6593-(679-560)=474173-17×3=122142×(218-212)=852837-(286+420)=1313/5+2/5=1792+(413-138)=106715+(359-40)=334106-(10+12)=84166-(227-123)=62687-441=246434×2=868868-(280+315)=273136+209=345912-70×6=492453-(363-330)=420801×8=6408753×8-156=5868335-(94+37)=2041/6+3/6=4/6977-194×2=5894/6+2/6=1385-79×2=227914+26+106=1046979-(428+527)=2459-(117-86)=28115-19×6=1112+(415-73)=454728-89+885=1524585+195+134=914250+(421-401)=270434+59-324=169328-120-141=6796-33+267=330261-123-101=37929-840+130=219726-401-57=268195-(111+11)=73287×2=574334-(536-433)=231438-47-134=257262+(998-128)=1132149×5-209=536135+446-42=539251-163=88949+407-325=10314/6-2/6=2/6129×6+94=868300+735-300=735303×(32-27)=1515281×8-116=2132376×2=752529+(940-487)=982132-33×3=33473-29-300=144429-(416-391)=404611-282=3291/4+2/4=3/4302+78-107=27325+856-250=631417-(25+383)=9353+57-341=69573-15×2=543450-345=105436+246=682268×2+76=61237×(86-78)=296463-200×2=63127-27-96=4456-90-336=30461-30=431756+92+297=1145383+297=680297-16×5=217107-94=13385-47=338361+472+149=982791+279-314=756584+403+99=1086928-(531-40)=437151×3-331=122172+293=465486-(362+36)=88887×2-189=1585235-37×3=124119×3-123=234908-75-48=785444-444+439=439213-162-13=38934+845-269=1510373×2-349=397615+76+307=998137×7+342=1301113×(362-356)=678338-(458-417)=297483+(871-541)=813299-(168-47)=17893×3-266=1374×(76-71)=370805-359-164=28295×8-221=539263×3=789452-62×4=2042/4-1/4=1/4416+114+17=547108+385-121=372898-84+542=1356578-(721-405)=262222-59=163591+227-734=84168×(132-129)=504380-279=101325+(109-38)=396241+(451-329)=363279-47+44=27664×7=448108×7+803=155993×9-377=460731-461-144=126438+(91-60)=469364-196+261=4293/7+2/7=5/7413-207+650=856223-170=53958×(240-232)=7664236+933+770=1939191-(237-97)=5165+(436-105)=396225+430=6553/5-1/5=2/585×7-450=145519-94=425549-76×5=169133×3=399127×(142-136)=762191+734=925132×(26-18)=1056510-73=437250-127=123553-379=174106×5+276=806239+43=28274+265=339387-188=19990+165=25559-(206-149)=2971×(659-651)=7768378×2-469=287209+180=389928-18×6=82087×5=435459×3-922=455436+937-562=811264+(70-30)=30438+114=152632-102+470=1000807×7=5649154-47+377=484919-(671-127)=375646-108×2=4304/8-1/8=3/8371-296+65=140283-162+222=343276+39-278=37937+105×8=1777763-426-155=182641+108×6=1289720+365-940=145514×8=4112385-176=209126×(370-366)=504472-161×2=150150×3=450253-(130+108)=15837-(78+548)=211406-143+77=34091-(167-151)=75837+(904-775)=966161-82+167=246774×9=6966216+256+294=766467-106=361187+(564-450)=301242+73=315270-63×3=81636+385=1021464+721+194=1379493+(361-125)=729109+774-411=47263+114×4=519438-(343+56)=393/8-1/8=2/8224+263-435=52210×4=840306×(40-37)=91837×(98-95)=111344-(349-118)=113306×2=612499-359=14060+148=20837+(124-24)=1372/5-1/5=1/5232-133-87=12471-423+321=369474+83×4=806452-53×8=28234+(824-104)=954327-71-103=153182+605=787501-(159+58)=284143×4+599=1171960×(117-113)=3840106+346-418=34150+(497-228)=419759-619+407=54711×9+326=425316+210+392=91821+147×4=609428-51×4=224145+123-123=14536×(111-108)=108517-107+795=1205302-(120+71)=111333+134=467485-(14+299)=17297+41=138356+183+345=884499-16=483723-376=347381-(476-395)=300103+(362-170)=295337-194=143381+134×4=917962-69×3=755828×8-797=582794+225×3=769373-32×7=149495+284=779154-23=131133+253-23=363183-(175-41)=49790-281-54=4551/8+5/8=6/8710+22+251=983977×(294-287)=6839365-(154-18)=229913+16×8=1041289-(325-218)=182770+833-748=855200-39-65=96303+120=423820+30×4=940481×5-55=2350274+570=844498-337-153=8219×4=876738-92×4=370113-22×5=3227-(452-269)=44344+116-440=20604-(396+100)=108498-(25+53)=420387-130-150=107882×7=6174227-(184-108)=151706+(262-21)=947415×(932-924)=3320281-42-110=1291/5+2/5=3/5998-(205+578)=215148-42=106574-269-12=293209+64×2=337277+48×2=373640-312-56=272761×7=5327161×3-296=187347-79=268953+189×4=170933+119+450=60239+401-122=318350-(646-563)=267791+127×7=1680289-52×5=29779-520=259878×2=1756306+189-428=67194+299-80=413269+228+180=677162×2=324914-(742-710)=882364-127-155=82632×2-406=858914-26×5=784285+(946-898)=333291×(23-20)=873905-717=188389-(118+119)=152411×7-638=2239387×2=774557+690+709=1956301-87×3=40160+202=36294+898+165=1157267×2+554=108880+28=108261×8=2088884×3=2652276+249+182=707391+479+309=1179395+(232-123)=504438×2+117=993601+307+424=1332197×3=591861×2=1722229-32×2=165521-(18+110)=393829+862-29=1662308-262=46321×(900-892)=2568274+85-122=237472-(239-180)=413167+444+146=757171-140+339=370805+276+637=1718343+(440-115)=668219×(219-216)=657895-715=180787-69×5=44211×3+71=104827×9=7443793-84+364=1073397-202-10=18541+346-94=293865-542=323607+(789-144)=1252967-249×2=469257+115×6=947428-(447-323)=304326+960=1286431×2+17=879515+656+844=2015127×6=762276-150=126486-154×3=24468×2-378=558973-656-151=166419-270+341=490810+(98