三年级数学(上)计算题专项练习附答案集锦

三年级数学(上)计算题专项练习附答案集锦977-32-633=370+(437-404)=559+529=149+39=635+(124-42)=75+(461-149)=880×2-250=88×2+103=106×(38-32)=881-778-45=954-34×4=101×(481-472)=289-(34+41)=943+(232-106)=242+642-402=340+392+416=436-415+288=456-202+549=313-(242+29)=844×9-525=206+(208-182)=421+86×3=205×2+676=281×(506-497)=322-36=423-(273-21)=202+118-174=229+50-253=794-49×5=723×5=476-382+349=493×2-561=671-194=74×5=854-(287+492)=114×7=185+32=491+839=113×3+241=354-(275-245)=26+31×6=855-346×2=2/3-1/3=469+660-22=113×3=825-(301+255)=334×(898-892)=495+214=1/9+3/9=941-(539+320)=187-168=660×(973-968)=7/9-1/9=494+(994-833)=72+(298-125)=727-(162+241)=123-118+171=234-168=177+413=967-109×2=914-(771+39)=624-(348+142)=288-(402-364)=924×(44-39)=206×2-384=706-(543-18)=885-202-38=112+(475-299)=271+287+726=791-750=474-192=61+(236-232)=311+152=685+21+39=495+654+988=13×(260-253)=792+873=787-51=424-35-47=257×2=107+31=252-214+232=440×2-510=468-48×7=699×3=255×(120-117)=146-(197-71)=380-132-148=756-627+584=534×5-953=288+(120-115)=450+246+503=725+746-529=385-113×3=253+217-112=34+455-44=413-345+400=461-175=474-449=312-152+106=261+33+143=126+159-41=282-(107-65)=219+15×7=138×2+146=278+(483-146)=49+224×2=194×4+519=265+147-161=600×7-666=312+(790-534)=28+51×6=91+36=441-(947-879)=72×8-559=451-193=428-40×6=185-(832-782)=500-376=302+117=52+192×4=177+89+419=779-300=5/8-2/8=899-745-10=886-58×6=104+580+816=72+412-168=242-(100+30)=77×4-109=82+107×3=428+(235-176)=125×4=2/7-1/7=96+31=964+368+140=366-247+871=203×2=870-170×2=357-201+152=949+530-66=18×(384-378)=373-141=3/5-1/5=757-(109+49)=444+805-938=287+15-20=87×(209-205)=201+43×6=88×2+903=167×(65-60)=906+734+538=853-179×2=876-463=492-376+191=361-172=150+491=347+52×8=647-246+796=424+(410-237)=29×(199-191)=476-38=918×9=297×3-410=123×8-481=165+73=866-449-356=636-(414+140)=47×3-92=174×(309-302)=440×2=462-36×3=234×(698-692)=7/9-2/9=635-(914-316)=405-83=979-546-332=213+345+639=132+127-116=908+72-925=176×3-299=774×(233-229)=110×6+134=2/7+3/7=413+(210-161)=900×5=423-217-74=393-121+19=769-88+516=529-12×2=562-535+484=594-(797-371)=691×5-479=61×(806-803)=372-168+262=495×2=354-66-92=862-219×3=190+204=334-152-122=420-(134+17)=414-(97+73)=172+181-239=196×(160-157)=221+558=813+569=307-285=438-64=385-60-230=57+99=659-444+854=3/4-1/4=327-45+197=899-198=914-172-397=495-(43-41)=259-57+94=154×6-338=327-(252-95)=355+833-427=436-(243+110)=256-(604-475)=908-(493+281)=737+530=999-523+905=138+385+166=519×(477-468)=227-116=341+231+120=130×3-321=963-(258+140)=220+12-139=469+600+215=346-(54+278)=453-137-12=408+(492-56)=91×(275-269)=785×(42-38)=352-316-10=882×(125-122)=794+855+512=320+94-352=664×3-743=498-200×2=470-(218+184)=354×9=807-(404+134)=869-(64+47)=386-17-368=160-108+362=774-(797-596)=935-82-245=474-(769-689)=615-180-217=643-328+84=80×8=496-32×7=548-33×6=278+115+139=27×(74-66)=228-(486-368)=133+333-112=445+919-498=211+172=286-32=67+(191-82)=152+220-367=969+181×3=493-65×3=658+942+487=159+282=402+688-315=35+20+628=824-(694-486)=205-39×4=993×9=285+(868-447)=513+(985-151)=425-(262+73)=772+424-97=874-(392+122)=2/10-1/10=671-93×7=363×2-406=39+109=236×(182-179)=4/8+3/8=834-11×4=288+(39-37)=835+(265-156)=40×(108-103)=292-(412-256)=213+72=60+(522-209)=235×(173-170)=402+(461-98)=359×2+75=43+262-260=305-102-121=181-14-64=550-(294-227)=781×6=476-24=95×5+147=213×2=772-204=46+167+677=753×3=916-670=167-(421-329)=676-356-181=25+(378-276)=318-(447-185)=321-(129+56)=704-244+38=817-620+823=319-(91+106)=523-(155+278)=44+(332-102)=403-339=483-172-105=897-158×3=342-(395-240)=877-738+207=832+379=609-(153+169)=649+(796-584)=966-(701-180)=285+251+445=348-172-108=475-(172+10)=769-589=430+426=348-106=49×(276-270)=175+(787-610)=196+402+379=275-186+264=108×8-401=657-217×3=306×3-430=937+965-735=378-(175+195)=531-279-94=280-94×2=2/10+8/10=620-(622-553)=63×4=485-37=32×5=692-77×8=57+293+394=356-24-307=189-52×2=289+273=930-(826-501)=121+332-107=266-177+71=2/7+5/7=691+568=91+32=374+(383-89)=936-(138+593)=812+732+938=350-(146-61)=4/8+2/8=940-(660+33)=517-(90+111)=77+360×2=262-(108+14)=333-20×6=68×7=113×6=460+(203-194)=57×9=269+247+33=813×(381-375)=440-355+795=711-(288+259)=270-129=229+757+201=418+70=205+182=414-312=767-167-419=308×2-117=765-506=140×5=599+(824-333)=101×(343-337)=391+342-535=223-47-21=213×8-230=527-341=140+(481-19)=319-274+293=149+325=217-71+180=468-135=461-335-117=161×2=491×2-304=649-(570-462)=296-(376-167)=33×3=434-(210+100)=283×(914-909)=12×7+177=493-260=178+48-71=698-414+15=81×2+86=153×3=729-39×8=100×8+820=101×6+618=22×8-142=80+72=229×(300-297)=341-296+283=407-(52+146)=409-238=157×(152-148)=465-127=857-748=382+347-709=279+103-223=335-46=288-(39+219)=356+(405-215)=282+263=570-208=282×8-711=134+92×8=3/5+2/5=691-(532+99)=124+(709-696)=298×3=7/10+3/10=542-37=437+241+178=50×7+60=20×8+618=88×(164-155)=209×3-56=360-28-215=855-297+720=159+124=898-153×4=847-471=668×(534-531)=586-463-98=426-128×2=154-15×5=445-182-257=469×(23-20)=3/6-2/6=170-(753-659)=5/8-1/8=400-268-26=726×2=237+441+67=429-200-37=678+543-49=88×9-640=133×3-318=209×3=26×8+222=383×2+611=193+505+911=209+290-430=101×6+945=640+181+380=199-128+110=774-23×9=862+(763-594)=550-23×9=462×6-775=980×(480-474)=73×(61-56)=478-(686-376)=463+(748-300)=458-57×8=95×9-218=48×5+41=698-538-105=382-10×3=312-121+229=67+53+29=405×7=702-(614-155)=420-100-121=667-81-132=810-233=343+(312-171)=500+587-412=879-17×7=156×9-728=948-(43+837)=90+437+189=310-35=799×6-637=14+397-91=471-18=143+506=410-(400-66)=60×(249-241)=132+48-112=472+(392-26)=298-89×2=209×3+361=382+892+842=52×5+173=440-417-12=477×6-298=187+370×2=174+74×7=643-562+12=338-(462-327)=777-374+390=253+24×8=218+71=320×(915-912)=441+(416-366)=134×4-309=66+835-416=240-175+409=1/5+3/5=425×2-278=162-57+342=31×2+139=5/7-1/7=303+428×2=368×5-740=271+231=321-(189-177)=91+(283-123)=162+207-346=376+(721-621)=931-(924-175)=289-74=364+111-99=838-704+968=157+770-679=134+270=823+138=915-319-410=571×3-473=55×9+411=214×(377-373)=270+(937-100)=365+564-924=428-106=235+41=76+(208-80)=52×4=100-74=979-744=542×6-275=209-22×8=589×(570-566)=4/8-3/8=964-(375+561)=894+973=943+786=102-21+208=338-189+64=886-(277+143)=438-57×3=874-115-91=359+95=123×6=58+501+417=126+436-68=745-401+461=978+36×3=552+71×9=159×2=222+96×2=162×7-556=522×9-605=395-(314-276)=323-(52+222)=363×(994-988)=176×2-179=397-106×2=315×3=533×(367-361)=361-(141-112)=78×5=154-(279-235)=114×9-856=222+46×5=993-718-214=842-(424-304)=351-42×6=208-(168-165)=822×(69-61)=673+87+166=473×2-145=915+454-74=910-(690-662)=114×(282-275)=232+186=165-10×9=218-98+252=683-16×3=242-(363-247)=988-115=295+964+206=731-657+202=942+608=740-451+518=460-152-18=998+(414-380)=643+(501-445)=477-70×5=295+105=946+(620-107)=423+45-243=171×5-700=436-84×4=890+329×2=207+283-15=937-457-374=798-(918-892)=332×7-378=168×5+104=472×2=431+73+200=333-156+55=829-520+254=369-248-109=29×7+32=165+126-11=266+449+432=121×8-855=116+(124-35)=827-636+287=456+161+113=49×6=738+985+351=34×3+199=147×3=915×9=176+90-124=811+807-713=95+380+73=141+156=175×(384-381)=670-633=374-(352-328)=459+672+765=754-418+113=373+(92-46)=708-377+767=250+811=4/7+2/7=282-(20+185)=59×2=632-(229+290)=73×(185-176)=449-(167-81)=146-25+802=486-42×2=302-189+157=123×5=141+65×5=21+457+443=57×7=844-34-119=170+202=364-56×5=57+(940-30)=337-149-46=220×(427-424)=207-(216-27)=892×5=627-(423-100)=570+(753-33)=88×2=409×(378-369)=505-124=95+928-632=346+49×7=937-528+910=717-(581-81)=384×5-737=40×9+420=730-631=431-120-136=453×(128-119)=2/6+3/6=38×5=480-(231+238)=306+69=844-678-123=172×8=579+(760-225)=833+150+371=323+(222-159)=185+440+374=677-115×2=485-191-166=61×7=266×4-547=426+432=241+87+215=363×5-906=405-(333+70)=440-73×6=157+229-187=309+81×4=811+154×2=386-(103+35)=418-36×4=339-311=841-130×4=313+(838-437)=19+373-277=222-108+106=412+267+121=333×2+334=964-409-540=284-(700-655)=279+(514-342)=205-16×3=325×3=947-668+752=241×8=553+55×9=516+(797-514)=448-(453-21)=129+366-51=737×7-905=474-232=435-31=16+323-22=43+132+320=870-(115+330)=77×6=57+332+432=693×6=454+187=680×(197-189)=214+80-191=104+(360-96)=684+775+940=809-174-185=403-53-64=943-766-87=333×(687-682)=424-(189+144)=221×(386-379)=432-88×4=157×6-744=503-76×6=477-(372-93)=233-(209-137)=133×5-100=338-(172+141)=414-108-79=389-(177-64)=193+246+55=974+705+420=912-(182+275)=913+35×2=25×(36-31)=83+34+646=706×4=39×4=298-207+218=273×3-254=58+313+592=217×(432-429)=701×8=85+134×5=33×3-94=217+192+36=38×(20-14)=190×2-359=456-135×2=349+(307-124)=394+980-205=60×6+24=44+247=382-(299+80)=257-36×7=425×2-538=46+655+925=280×2=472-81-229=116-87+279=682-(26+107)=965-259=348-(586-427)=193+142=833-42×8=738-385-223=234×8=328+482+96=191+(483-148)=334-47×7=461-(175+101)=717-(374+318)=422-144=495-428+432=146+547-59=188+237=61-(239-231)=184+49=27×7-68=441-174-37=267-(880-690)=680×(188-183)=93-(52+15)=186+225+560=455-75-221=408-262=78×(213-208)=367×9=320+167=267+27-225=945+(270-252)=791-(749-663)=462+337=103-47=318×8-738=290+78×3=132×4-196=45+131×4=266-(477-296)=148+87+510=73×(35-29)=908-25-581=439-241+89=388+339+145=119×4+827=644-(577-136)=428-(34+230)=68×(324-315)=49×9=296-(63+173)=733-(245-114)=252+959-153=553×(878-873)=266-17×9=472-(336+92)=308×6=209+179=499-87-306=291+(99-81)=179-76×2=449+(148-107)=247×8-223=990-234×2=183-43-35=1/7+3/7=970+266+121=143+141=477-(263+131)=297+907-782=252-(105+128)=178+68-52=参考答案977-32-633=312370+(437-404)=403559+529=1088149+39=188635+(124-42)=71775+(461-149)=387880×2-250=151088×2+103=279106×(38-32)=636881-778-45=58954-34×4=818101×(481-472)=909289-(34+41)=214943+(232-106)=1069242+642-402=482340+392+416=1148436-415+288=309456-202+549=803313-(242+29)=42844×9-525=7071206+(208-182)=232421+86×3=679205×2+676=1086281×(506-497)=2529322-36=286423-(273-21)=171202+118-174=146229+50-253=26794-49×5=549723×5=3615476-382+349=443493×2-561=425671-194=47774×5=370854-(287+492)=75114×7=798185+32=217491+839=1330113×3+241=580354-(275-245)=32426+31×6=212855-346×2=1632/3-1/3=1/3469+660-22=1107113×3=339825-(301+255)=269334×(898-892)=2004495+214=7091/9+3/9=4/9941-(539+320)=82187-168=19660×(973-968)=33007/9-1/9=6/9494+(994-833)=65572+(298-125)=245727-(162+241)=324123-118+171=176234-168=66177+413=590967-109×2=749914-(771+39)=104624-(348+142)=134288-(402-364)=250924×(44-39)=4620206×2-384=28706-(543-18)=181885-202-38=645112+(475-299)=288271+287+726=1284791-750=41474-192=28261+(236-232)=65311+152=463685+21+39=745495+654+988=213713×(260-253)=91792+873=1665787-51=736424-35-47=342257×2=514107+31=138252-214+232=270440×2-510=370468-48×7=132699×3=2097255×(120-117)=765146-(197-71)=20380-132-148=100756-627+584=713534×5-953=1717288+(120-115)=293450+246+503=1199725+746-529=942385-113×3=46253+217-112=35834+455-44=445413-345+400=468461-175=286474-449=25312-152+106=266261+33+143=437126+159-41=244282-(107-65)=240219+15×7=324138×2+146=422278+(483-146)=61549+224×2=497194×4+519=1295265+147-161=251600×7-666=3534312+(790-534)=56828+51×6=33491+36=127441-(947-879)=37372×8-559=17451-193=258428-40×6=188185-(832-782)=135500-376=124302+117=41952+192×4=820177+89+419=685779-300=4795/8-2/8=3/8899-745-10=144886-58×6=538104+580+816=150072+412-168=316242-(100+30)=11277×4-109=19982+107×3=403428+(235-176)=487125×4=5002/7-1/7=1/796+31=127964+368+140=1472366-247+871=990203×2=406870-170×2=530357-201+152=308949+530-66=141318×(384-378)=108373-141=2323/5-1/5=2/5757-(109+49)=599444+805-938=311287+15-20=28287×(209-205)=348201+43×6=45988×2+903=1079167×(65-60)=835906+734+538=2178853-179×2=495876-463=413492-376+191=307361-172=189150+491=641347+52×8=763647-246+796=1197424+(410-237)=59729×(199-191)=232476-38=438918×9=8262297×3-410=481123×8-481=503165+73=238866-449-356=61636-(414+140)=8247×3-92=49174×(309-302)=1218440×2=880462-36×3=354234×(698-692)=14047/9-2/9=5/9635-(914-316)=37405-83=322979-546-332=101213+345+639=1197132+127-116=143908+72-925=55176×3-299=229774×(233-229)=3096110×6+134=7942/7+3/7=5/7413+(210-161)=462900×5=4500423-217-74=132393-121+19=291769-88+516=1197529-12×2=505562-535+484=511594-(797-371)=168691×5-479=297661×(806-803)=183372-168+262=466495×2=990354-66-92=196862-219×3=205190+204=394334-152-122=60420-(134+17)=269414-(97+73)=244172+181-239=114196×(160-157)=588221+558=779813+569=1382307-285=22438-64=374385-60-230=9557+99=156659-444+854=10693/4-1/4=2/4327-45+197=479899-198=701914-172-397=345495-(43-41)=493259-57+94=296154×6-338=586327-(252-95)=170355+833-427=761436-(243+110)=83256-(604-475)=127908-(493+281)=134737+530=1267999-523+905=1381138+385+166=689519×(477-468)=4671227-116=111341+231+120=692130×3-321=69963-(258+140)=565220+12-139=93469+600+215=1284346-(54+278)=14453-137-12=304408+(492-56)=84491×(275-269)=546785×(42-38)=3140352-316-10=26882×(125-122)=2646794+855+512=2161320+94-352=62664×3-743=1249498-200×2=98470-(218+184)=68354×9=3186807-(404+134)=269869-(64+47)=758386-17-368=1160-108+362=414774-(797-596)=573935-82-245=608474-(769-689)=394615-180-217=218643-328+84=39980×8=640496-32×7=272548-33×6=350278+115+139=53227×(74-66)=216228-(486-368)=110133+333-112=354445+919-498=866211+172=383286-32=25467+(191-82)=176152+220-367=5969+181×3=1512493-65×3=298658+942+487=2087159+282=441402+688-315=77535+20+628=683824-(694-486)=616205-39×4=49993×9=8937285+(868-447)=706513+(985-151)=1347425-(262+73)=90772+424-97=1099874-(392+122)=3602/10-1/10=1/10671-93×7=20363×2-406=32039+109=148236×(182-179)=7084/8+3/8=7/8834-11×4=790288+(39-37)=290835+(265-156)=94440×(108-103)=200292-(412-256)=136213+72=28560+(522-209)=373235×(173-170)=705402+(461-98)=765359×2+75=79343+262-260=45305-102-121=82181-14-64=103550-(294-227)=483781×6=4686476-24=45295×5+147=622213×2=426772-204=56846+167+677=890753×3=2259916-670=246167-(421-329)=75676-356-181=13925+(378-276)=127318-(447-185)=56321-(129+56)=136704-244+38=498817-620+823=1020319-(91+106)=122523-(155+278)=9044+(332-102)=274403-339=64483-172-105=206897-158×3=423342-(395-240)=187877-738+207=346832+379=1211609-(153+169)=287649+(796-584)=861966-(701-180)=445285+251+445=981348-172-108=68475-(172+10)=293769-589=180430+426=856348-106=24249×(276-270)=294175+(787-610)=352196+402+379=977275-186+264=353108×8-401=463657-217×3=6306×3-430=488937+965-735=1167378-(175+195)=8531-279-94=158280-94×2=922/10+8/10=1620-(622-553)=55163×4=252485-37=44832×5=160692-77×8=7657+293+394=744356-24-307=25189-52×2=85289+273=562930-(826-501)=605121+332-107=346266-177+71=1602/7+5/7=1691+568=125991+32=123374+(383-89)=668936-(138+593)=205812+732+938=2482350-(146-61)=2654/8+2/8=6/8940-(660+33)=247517-(90+111)=31677+360×2=797262-(108+14)=140333-20×6=21368×7=476113×6=678460+(203-194)=46957×9=513269+247+33=549813×(381-375)=4878440-355+795=880711-(288+259)=164270-129=141229+757+201=1187418+70=488205+182=387414-312=102767-167-419=181308×2-117=499765-506=259140×5=700599+(824-333)=1090101×(343-337)=606391+342-535=198223-47-21=155213×8-230=1474527-341=186140+(481-19)=602319-274+293=338149+325=474217-71+180=326468-135=333461-335-117=9161×2=322491×2-304=678649-(570-462)=541296-(376-167)=8733×3=99434-(210+100)=124283×(914-909)=141512×7+177=261493-260=233178+48-71=155698-414+15=29981×2+86=248153×3=459729-39×8=417100×8+820=1620101×6+618=122422×8-142=3480+72=152229×(300-297)=687341-296+283=328407-(52+146)=209409-238=171157×(152-148)=628465-127=338857-748=109382+347-709=20279+103-223=159335-46=289288-(39+219)=30356+(405-215)=546282+263=545570-208=362282×8-711=1545134+92×8=8703/5+2/5=1691-(532+99)=60124+(709-696)=137298×3=8947/10+3/10=1542-37=505437+241+178=85650×7+60=41020×8+618=77888×(164-155)=792209×3-56=571360-28-215=117855-297+720=1278159+124=283898-153×4=286847-471=376668×(534-531)=2004586-463-98=25426-128×2=170154-15×5=79445-182-257=6469×(23-20)=14073/6-2/6=1/6170-(753-659)=765/8-1/8=4/8400-268-26=106726×2=1452237+441+67=745429-200-37=192678+543-49=117288×9-640=152133×3-318=81209×3=62726×8+222=430383×2+611=1377193+505+911=1609209+290-430=69101×6+945=1551640+181+380=1201199-128+110=181774-23×9=567862+(763-594)=1031550-23×9=343462×6-775=1997980×(480-474)=588073×(61-56)=365478-(686-376)=168463+(748-300)=911458-57×8=295×9-218=63748×5+41=281698-538-105=55382-10×3=352312-121+229=42067+53+29=149405×7=2835702-(614-155)=243420-100-121=199667-81-132=454810-233=577343+(312-171)=484500+587-412=675879-17×7=760156×9-728=676948-(43+837)=6890+437+189=716310-35=275799×6-637=415714+397-91=320471-18=453143+506=649410-(400-66)=7660×(249-241)=480132+48-112=68472+(392-26)=838298-89×2=120209×3+361=988382+892+842=211652×5+173=433440-417-12=11477×6-298=2564187+370×2=927174+74×7=692643-562+12=93338-(462-327)=203777-374+390=793253+24×8=445218+71=289320×(915-912)=960441+(416-366)=491134×4-309=22766+835-416=485240-175+409=4741/5+3/5=4/5425×2-278=572162-57+342=44731×2+139=2015/7-1/7=4/7303+428×2=1159368×5-740=1100271+231=502321-(189-177)=30991+(283-123)=251162+207-346=23376+(721-621)=476931-(924-175)=182289-74=215364+111-99=376838-704+968=1102157+770-679=248134+270=404823+138=961915-319-410=186571×3-473=124055×9+411=906214×(377-373)=856270+(937-100)=1107365+564-924=5428-106=322235+41=27676+(208-80)=20452×4=208100-74=26979-744=235542×6-275=2977209-22×8=33589×(570-566)=23564/8-3/8=1/8964-(375+561)=28894+973=1867943+786=1729102-21+208=289338-189+64=213886-(277+143)=466438-57×3=267874-115-91=668359+95=454123×6=73858+501+417=976126+436-68=494745-401+461=805978+36×3=1086552+71×9=1191159×2=318222+96×2=414162×7-556=578522×9-605=4093395-(314-276)=357323-(52+222)=49363×(994-988)=2178176×2-179=173397-106×2=185315×3=945533×(367-361)=3198361-(141-112)=33278×5=390154-(279-235)=110114×9-856=170222+46×5=452993-718-214=61842-(424-304)=722351-42×6=99208-(168-165)=205822×(69-61)=6576673+87+166=926473×2-145=801915+454-74=1295910-(690-662)=882114×(282-275)=798232+186=418165-10×9=75218-98+252=372683-16×3=635242-(363-247)=126988-115=873295+964+206=1465731-657+202=276942+608=1550740-451+518=807460-152-18=290998+(414-380)=1032643+(501-445)=699477-70×5=127295+105=400946+(620-107)=1459423+45-243=225171×5-700=155436-84×4=100890+329×2=1548207+283-15=475937-457-374=106798-(918-892)=772332×7-378=1946168×5+104=944472×2=944431+73+200=704333-156+55=232829-520+254=563369-248-109=1229×7+32=235165+126-11=280266+449+432=1147121×8-855=113116+(124-35)=205827-636+287=478456+161+113=73049×6=294738+985+351=207434×3+199=301147×3=441915×9=8235176+90-124=142811+807-713=90595+380+73=548141+156=297175×(384-381)=525670-633=37374-(352-328)=350459+672+765=1896754-418+113=449373+(92-46)=419708-377+767=1098250+811=10614/7+2/7=6/7282-(20+185)=7759×2=118632-(229+290)=11373×(185-176)=657449-(167-81)=363146-25+802=923486-42×2=402302-189+157=270123×5=615141+65×5=46621+457+443=92157×7=399844-34-119=691170+202=372364-56×5=8457+(940-30)=967337-149-46=142220×(427-424)=660207-(216-27)=18892×5=4460627-(423-100)=304570+(753-33)=129088×2=176409×(378-369)=3681505-124=38195+928-632=391346+49×7=689937-528+910=1319717-(581-81)=217384×5-737=118340×9+420=780730-631=99431-120-136=175453×(128-119)=40772/6+3/6=5/638×5=190480-(231+238)=11306+69=375844-678-123=43172×8=1376579+(760-225)=1114833+150+371=1354323+(222-159)=386185+440+374=999677-115×2=447485-191-166=12861×7=427266×4-547=517426+432=858241+87+215=543363×5-906=909405-(333+70)=2440-73×6=21