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898+(902-498)=422-56=687+297+534=759-67-632=361×2+85=372-151-114=796-69=754-(149+206)=333×(273-265)=396-207+845=4/7-2/7=172+312+466=41+(425-252)=389+272=224+127-331=471-(322-58)=260×2-45=726-216-215=225+(252-46)=72+223=115+22=318+131=866+(502-239)=357-(139+114)=476-(403+51)=354-24×2=877+461+916=684-492+606=136×(547-539)=132+(432-61)=660+32+267=131+48+572=290-164+159=367×(342-336)=948+874-772=234+(345-305)=755-448+870=788-(759-555)=320-(77+151)=440-230-10=166×6+726=541×4-219=322-63=482-417-54=747-(165+445)=331+269+183=493-(199+172)=79×7=664-282=734-(844-319)=81×(374-368)=37×8=672+126+510=612-325=165+848+788=40+16=552+719+816=438+421=632×8=198+58=167-100+349=348×7-841=421×9=820-(894-260)=131+623=37×3=372×2-448=122+716-511=366×(150-141)=192-60×2=251+551-610=754-518=947-107-714=546+(984-54)=79×(460-457)=757-656=832×5=3/10+4/10=285×7-798=785-303=950×5=576-89×3=484-466+217=690+598=498-(331+42)=21×(405-396)=114×(483-477)=975+(700-508)=12+34=617+193-192=423-155-264=63+35=411+74-20=242-205=54+72-33=353+801=102×(203-196)=385-190=30×(283-278)=825×4=306-94-57=700×7-317=357-286+348=250-154=396×2=76+145+277=205-(385-187)=283-(680-427)=869-(276-180)=242+205-122=384-(82+252)=306+66=449-304+320=369+437=870+(550-516)=32×2+137=69×(379-372)=898-105×3=1/5+3/5=550×2-952=811-(536-71)=362+121-46=544-(538-89)=569+460-853=488-223×2=255+125=267-14×6=788-(205+109)=118×(408-405)=13×(257-252)=110+57×9=618-82×4=782-493+908=289×3=412-143×2=304+(432-155)=2/5+3/5=399-(216-176)=170+172=359+913+873=412+18-189=494-(44+62)=123+66=498+192+238=2/7-1/7=606+836-833=240+197=106+116-139=250+185=180×2-97=420+79=958-557=415×2+652=455-42×6=348×4-667=214+100=914-(646-552)=993+626-522=186+316=98+320+285=395-367+346=288-110=505×(719-714)=90×5=347+639-886=609-105×4=193×(386-383)=4/10+3/10=409-24×2=845×(245-242)=963×(946-940)=336+32-68=80×(899-891)=228×(257-253)=121×7=114×7=463-(16+230)=17×5+438=159+(366-25)=87×(80-76)=676-82×6=423×2=829-(506+245)=37×7+67=381-376+207=872-80-703=275+(582-17)=56×9=177+86=715-(550+14)=839-459=123×3-267=384-316+130=38+35+891=479×2-666=942-268+668=53+102=711+493+611=425+51+318=70×7=530-151=324+(872-425)=492-142-144=743+27+180=485-(193+248)=133×6=88+379-424=785+943-402=5/9-4/9=423×2-557=461-64+17=82-76+178=415+998-344=346-(447-317)=817+458+66=42×(158-149)=134+258=217+(496-108)=343-(81+121)=345-(145+15)=533×6-590=327+414=387-152=456×(793-788)=818-(401+166)=745-695+302=500-330-123=451-358=448-118=284+71×4=881-452-166=616-(247+224)=931-676+245=956-(402+154)=465+(566-316)=587-(423-88)=861-24=938-(433+412)=876-(344+25)=236+492=179-(26+31)=516-(408-307)=444×3=926-578-265=530+(633-614)=91×4-265=827×4=329×(964-960)=455+75×7=26×3+155=228+(291-108)=538-(698-208)=956+(686-77)=951-(109+79)=483+226+66=413-59×2=999×5=843-(612-191)=600×8-240=368+72-353=261-127+176=321×(287-283)=296+(177-151)=426-186-177=896-(81+287)=66×(29-25)=877+167-733=214+248-312=826-(56+259)=142×3-272=455×3=487-95-145=379+32×4=220×3-179=770-293×2=409+(256-15)=733-252=387-216=550+228=227-112+580=914+860=146×3+694=814+957=128+(312-230)=339-107-118=407-(445-353)=324-(367-252)=353+127+265=327+(718-268)=608×3-636=108×(26-21)=474-373=678-57×2=22×4+548=118-(237-201)=262+114-32=323×2=216+918+287=54+57=750×(250-243)=465-108×2=957-704=945-728+391=615-12-214=494-158=123+94=79-(414-344)=808-(465+189)=352+70×3=369-86=781-(819-663)=302×2=355-226-104=3/6-1/6=879-93×2=221-(449-395)=268×(469-466)=276×2=637-534=84+224+610=363×2-160=43-25=929+54+884=62-50+482=706-446-236=828×(743-735)=467-33×5=3/8-2/8=168-35×2=205×4-675=80+249=109+160=350+(249-18)=883×3=980+(836-718)=87×(473-464)=483-(362-189)=913×7=487×2+72=7/9+2/9=144+262+15=990-55×3=451-206=812×5-930=93×9=820-351-301=155×5=991-720=623-454-167=98×2=123+317=49+124×8=237-(240-120)=849+324+750=320-163-90=484-(81-58)=649-(956-535)=910-622+109=426+634-976=878-378-314=246-21×3=879×3-183=315-(73+102)=122+152=205-(282-272)=263-230=45+262+102=993-531-453=269×(70-63)=989-264-230=640+55×9=103+74+137=4/6-1/6=181×3+748=977+171+709=597+224+857=122×(110-106)=956-690=465-99+974=225×4=659+443×2=395-(247-28)=577+413=857-(702-203)=84+26×3=83×8-339=960-(930-27)=875+(633-386)=100+60×8=492+(480-34)=810-55×5=489-63×5=454+121×5=542+(987-747)=2/7+4/7=131+600+108=829-498=377-66×4=858-254-350=329+232+132=47+475+60=347-266=356-(469-456)=234+204-170=49+143×6=206×3-472=810-753=51×(123-117)=413×8-97=385-33×8=517-(422-61)=273×9-736=108×3=36×3+144=199+553-695=135×4=494+81×4=429-388=358-(929-624)=240×(48-44)=445-(401+43)=450-52+748=745-585-158=955-(747+81)=127+854-401=163×4+820=259+(314-133)=15×(48-42)=54×5=197+83=44+285-99=347+715+195=323×5-833=808-226+618=489-46-86=944-(878-107)=214+(465-144)=353×6-916=87×2+282=549×(653-644)=601×5-79=337+(292-260)=268-181+358=1/4+2/4=427-31×8=258-257+370=184×(413-409)=983+377=1/6+2/6=45×(49-41)=417-54-184=449-(45+361)=895+192-511=156+92×3=2/4-1/4=903-486=463-(273-209)=75×(464-460)=835×9-79=871×3=708-(88+198)=456-35×3=135×(452-449)=708+556+70=546×6=374-149+89=65×7-328=112×2+361=489-111-37=230×4-504=262×(272-268)=376-(12+121)=264-171+125=83+(440-151)=211×4-832=239+182+554=960-(374+81)=707-469-237=463+563+173=511+(428-381)=25×5+205=212×(118-113)=806×5=136+72-70=797+785-917=87×7+129=450-80×3=642+551-34=345-311=308+165+660=122×(380-373)=235-39=29+284×3=304-(193+48)=531+70+277=491-102-137=23+(465-79)=134-102=243+(444-337)=139×2-109=302-231-32=622-(69+63)=102+370=29+580-217=23×6+55=591+752=138+(469-28)=264+(948-891)=72+(473-115)=95+(741-562)=287-(67+199)=300×3=708×(969-963)=749×8-855=159+130-238=250+67=113×9-34=865-319+263=951-152×4=97+239=545-(168-80)=475-223-212=374-28-212=270-39+545=255+(399-175)=499-238+297=754-95×4=245+875-867=571+228+179=861×5=137×5-501=313+244=29+271-40=281-(104+138)=134-117+878=321+(448-443)=246+164=838-265×2=481+11×5=142×4-546=960+896+475=158×5-108=845×9=845-453-221=40×5+480=286-(87+148)=484-140×3=279-23×3=11+66+364=905×2-94=488-(381+61)=363+98×5=169-(26+34)=680+810-859=97+(328-229)=820-(925-861)=27+245×4=79-(395-328)=616-477=401+(473-302)=213-170=38×9+158=997-(397+578)=155+279-245=456-79×5=186×3-476=336+359=83×9-427=255×2+88=389×2-693=7/10+3/10=93×(185-182)=804-724=326×(474-471)=518-181+259=123+(923-422)=600+(354-177)=421-88-116=690×5=405-12-198=269-208-13=402-57=428-206×2=144+628+378=3/8-1/8=213×3-453=33+16=291-71-80=349-171+12=273+(197-100)=253×2-342=549×4=820-68×4=306+(487-276)=885+723+386=3/6+2/6=224-91=862+645-702=274-(310-185)=769-227-331=948-303+220=481+(88-59)=216-14=274-109+100=166×3-268=96-(341-255)=186-124-29=338-(330-274)=490-(62+51)=977×(201-193)=160×4-452=104×8+910=484-344+188=948-188-13=225+(974-867)=403-43×3=28×9+237=123-22×2=607-520=118-(291-259)=474-(253+204)=544-34×5=433-77-12=760-467+515=29×2+278=165+452=448×(794-787)=942-(261+117)=318-100=328×6-27=84×3=624-191+466=483-164×2=121×2=409-168-24=917-251-317=963×2=543+192=462-29×5=779-17+514=226+121×6=97×5-326=500-403+249=29+406-368=891+178-137=120+31=471-284-176=465-(141+245)=187-169+130=353-(122+222)=320+55=181-158+116=399×(208-201)=82+258-18=586-(979-883)=320×4-537=441-297-16=487-(169+157)=690-(691-604)=141+206-76=443×2=231+(151-41)=472-(545-396)=58×5=125+211-331=1/8+6/8=426-27×2=38×(414-409)=899-253×3=758+148×4=845-190-480=219-203+133=197+75×6=61+324+54=3/5-1/5=52×7=541+243×4=960-(120+655)=461-124-268=920-252-15=448+138+167=12×3=546×(574-566)=196+130-293=359-(78-36)=132×6-597=10+745+175=559-(168+340)=438-(179-41)=153×4=496+(297-17)=656-484=173×(75-70)=398+123=131-29-21=618-231=27×7=694×5=431+270×3=4/6-2/6=159×2+66=897-47+351=793-38-211=709-612=94-54+402=590+336+27=585-(549-258)=212-105=223×(50-46)=453-(76+200)=582×5=731×7-150=377-227=5/7+2/7=929×(24-21)=271-13×2=163-26×6=270-(118+116)=781-(41+458)=980+773=493-(152+158)=888+432-679=867+873+190=488-135+55=804+446+948=971×4=576-338-151=343-330+409=510×6-149=54+35-62=994-44-756=20×2=635×5-413=433-(381-298)=354-(435-305)=781-(327+255)=987+(261-64)=363-199=125+727+74=165×5-761=890×3=463+161×3=480-(256-178)=90+117+273=416×2=424×2=940-205+557=918-51+926=129×2+591=542×4=220-49=255+267+379=87×8+184=361-14×4=339-(333-182)=358+(817-146)=188+222=269-15×5=19×5+747=112+81×9=148×(407-401)=626+(494-196)=680+368-502=213-(493-319)=96+268-272=394-56=321×(368-365)=295+256+245=394-(67+127)=249+(492-99)=754-71×2=237×2-445=95×3+150=53+60-108=668×4=446-49×4=35×(132-123)=307+187×5=605+281+688=494-86-107=520-63×8=637+503-496=270×2-409=476-48×3=520+(640-442)=111+25×3=602-26+629=768-(215+128)=323-(467-185)=156-73×2=924-(221+618)=398+115-128=111+365-366=141+41=107+263-141=933-(802-205)=922-75-463=411-(148-86)=435-266+62=207+536-251=288-272+90=850+429=573-25×4=298-(314-290)=451+(236-55)=347+106-157=684+707-240=423-197=500-295+15=445-90=440-64×3=81+351+110=825+542+619=790-(99+658)=450-(61+386)=189×4=54+790-50=633×(372-369)=420-71×5=304+125×2=43×9-123=959-954+133=464-77×2=475-62×3=334-199+210=284-233=475+447=220+96-214=126-(397-330)=224-169=998-122-314=185+26×5=105-61=847-622+216=438-193+454=743-150×4=598+279+980=956+163=4/8-2/8=957-(611-455)=342+983+539=958+268+840=51+383×2=436+(468-422)=783-259×3=240-(277-196)=635×(782-774)=916-20-269=413-319+760=544+(759-189)=914-254-450=94+380-319=319×3-708=265+429=230×2+384=898-(403+432)=346×(606-600)=173+(436-74)=44+181=4/5-1/5=122-17×2=63×2-58=369+(363-296)=414+732+33=参考答案898+(902-498)=1302422-56=366687+297+534=1518759-67-632=60361×2+85=807372-151-114=107796-69=727754-(149+206)=399333×(273-265)=2664396-207+845=10344/7-2/7=2/7172+312+466=95041+(425-252)=214389+272=661224+127-331=20471-(322-58)=207260×2-45=475726-216-215=295225+(252-46)=43172+223=295115+22=137318+131=449866+(502-239)=1129357-(139+114)=104476-(403+51)=22354-24×2=306877+461+916=2254684-492+606=798136×(547-539)=1088132+(432-61)=503660+32+267=959131+48+572=751290-164+159=285367×(342-336)=2202948+874-772=1050234+(345-305)=274755-448+870=1177788-(759-555)=584320-(77+151)=92440-230-10=200166×6+726=1722541×4-219=1945322-63=259482-417-54=11747-(165+445)=137331+269+183=783493-(199+172)=12279×7=553664-282=382734-(844-319)=20981×(374-368)=48637×8=296672+126+510=1308612-325=287165+848+788=180140+16=56552+719+816=2087438+421=859632×8=5056198+58=256167-100+349=416348×7-841=1595421×9=3789820-(894-260)=186131+623=75437×3=111372×2-448=296122+716-511=327366×(150-141)=3294192-60×2=72251+551-610=192754-518=236947-107-714=126546+(984-54)=147679×(460-457)=237757-656=101832×5=41603/10+4/10=7/10285×7-798=1197785-303=482950×5=4750576-89×3=309484-466+217=235690+598=1288498-(331+42)=12521×(405-396)=189114×(483-477)=684975+(700-508)=116712+34=46617+193-192=618423-155-264=463+35=98411+74-20=465242-205=3754+72-33=93353+801=1154102×(203-196)=714385-190=19530×(283-278)=150825×4=3300306-94-57=155700×7-317=4583357-286+348=419250-154=96396×2=79276+145+277=498205-(385-187)=7283-(680-427)=30869-(276-180)=773242+205-122=325384-(82+252)=50306+66=372449-304+320=465369+437=806870+(550-516)=90432×2+137=20169×(379-372)=483898-105×3=5831/5+3/5=4/5550×2-952=148811-(536-71)=346362+121-46=437544-(538-89)=95569+460-853=176488-223×2=42255+125=380267-14×6=183788-(205+109)=474118×(408-405)=35413×(257-252)=65110+57×9=623618-82×4=290782-493+908=1197289×3=867412-143×2=126304+(432-155)=5812/5+3/5=1399-(216-176)=359170+172=342359+913+873=2145412+18-189=241494-(44+62)=388123+66=189498+192+238=9282/7-1/7=1/7606+836-833=609240+197=437106+116-139=83250+185=435180×2-97=263420+79=499958-557=401415×2+652=1482455-42×6=203348×4-667=725214+100=314914-(646-552)=820993+626-522=1097186+316=50298+320+285=703395-367+346=374288-110=178505×(719-714)=252590×5=450347+639-886=100609-105×4=189193×(386-383)=5794/10+3/10=7/10409-24×2=361845×(245-242)=2535963×(946-940)=5778336+32-68=30080×(899-891)=640228×(257-253)=912121×7=847114×7=798463-(16+230)=21717×5+438=523159+(366-25)=50087×(80-76)=348676-82×6=184423×2=846829-(506+245)=7837×7+67=326381-376+207=212872-80-703=89275+(582-17)=84056×9=504177+86=263715-(550+14)=151839-459=380123×3-267=102384-316+130=19838+35+891=964479×2-666=292942-268+668=134253+102=155711+493+611=1815425+51+318=79470×7=490530-151=379324+(872-425)=771492-142-144=206743+27+180=950485-(193+248)=44133×6=79888+379-424=43785+943-402=13265/9-4/9=1/9423×2-557=289461-64+17=41482-76+178=184415+998-344=1069346-(447-317)=216817+458+66=134142×(158-149)=378134+258=392217+(496-108)=605343-(81+121)=141345-(145+15)=185533×6-590=2608327+414=741387-152=235456×(793-788)=2280818-(401+166)=251745-695+302=352500-330-123=47451-358=93448-118=330284+71×4=568881-452-166=263616-(247+224)=145931-676+245=500956-(402+154)=400465+(566-316)=715587-(423-88)=252861-24=837938-(433+412)=93876-(344+25)=507236+492=728179-(26+31)=122516-(408-307)=415444×3=1332926-578-265=83530+(633-614)=54991×4-265=99827×4=3308329×(964-960)=1316455+75×7=98026×3+155=233228+(291-108)=411538-(698-208)=48956+(686-77)=1565951-(109+79)=763483+226+66=775413-59×2=295999×5=4995843-(612-191)=422600×8-240=4560368+72-353=87261-127+176=310321×(287-283)=1284296+(177-151)=322426-186-177=63896-(81+287)=52866×(29-25)=264877+167-733=311214+248-312=150826-(56+259)=511142×3-272=154455×3=1365487-95-145=247379+32×4=507220×3-179=481770-293×2=184409+(256-15)=650733-252=481387-216=171550+228=778227-112+580=695914+860=1774146×3+694=1132814+957=1771128+(312-230)=210339-107-118=114407-(445-353)=315324-(367-252)=209353+127+265=745327+(718-268)=777608×3-636=1188108×(26-21)=540474-373=101678-57×2=56422×4+548=636118-(237-201)=82262+114-32=344323×2=646216+918+287=142154+57=111750×(250-243)=5250465-108×2=249957-704=253945-728+391=608615-12-214=389494-158=336123+94=21779-(414-344)=9808-(465+189)=154352+70×3=562369-86=283781-(819-663)=625302×2=604355-226-104=253/6-1/6=2/6879-93×2=693221-(449-395)=167268×(469-466)=804276×2=552637-534=10384+224+610=918363×2-160=56643-25=18929+54+884=186762-50+482=494706-446-236=24828×(743-735)=6624467-33×5=3023/8-2/8=1/8168-35×2=98205×4-675=14580+249=329109+160=269350+(249-18)=581883×3=2649980+(836-718)=109887×(473-464)=783483-(362-189)=310913×7=6391487×2+72=10467/9+2/9=1144+262+15=421990-55×3=825451-206=245812×5-930=313093×9=837820-351-301=168155×5=775991-720=271623-454-167=298×2=196123+317=44049+124×8=1041237-(240-120)=117849+324+750=1923320-163-90=67484-(81-58)=461649-(956-535)=228910-622+109=397426+634-976=84878-378-314=186246-21×3=183879×3-183=2454315-(73+102)=140122+152=274205-(282-272)=195263-230=3345+262+102=409993-531-453=9269×(70-63)=1883989-264-230=495640+55×9=1135103+74+137=3144/6-1/6=3/6181×3+748=1291977+171+709=1857597+224+857=1678122×(110-106)=488956-690=266465-99+974=1340225×4=900659+443×2=1545395-(247-28)=176577+413=990857-(702-203)=35884+26×3=16283×8-339=325960-(930-27)=57875+(633-386)=1122100+60×8=580492+(480-34)=938810-55×5=535489-63×5=174454+121×5=1059542+(987-747)=7822/7+4/7=6/7131+600+108=839829-498=331377-66×4=113858-254-350=254329+232+132=69347+475+60=582347-266=81356-(469-456)=343234+204-170=26849+143×6=907206×3-472=146810-753=5751×(123-117)=306413×8-97=3207385-33×8=121517-(422-61)=156273×9-736=1721108×3=32436×3+144=252199+553-695=57135×4=540494+81×4=818429-388=41358-(929-624)=53240×(48-44)=960445-(401+43)=1450-52+748=1146745-585-158=2955-(747+81)=127127+854-401=580163×4+820=1472259+(314-133)=44015×(48-42)=9054×5=270197+83=28044+285-99=230347+715+195=1257323×5-833=782808-226+618=1200489-46-86=357944-(878-107)=173214+(465-144)=535353×6-916=120287×2+282=456549×(653-644)=4941601×5-79=2926337+(292-260)=369268-181+358=4451/4+2/4=3/4427-31×8=179258-257+370=371184×(413-409)=736983+377=13601/6+2/6=3/645×(49-41)=360417-54-184=179449-(45+361)=43895+192-511=576156+92×3=4322/4-1/4=1/4903-486=417463-(273-209)=39975×(464-460)=300835×9-79=7436871×3=2613708-(88+198)=422456-35×3=351135×(452-449)=405708+556+70=1334546×6=3276374-149+89=31465×7-328=127112×2+361=585489-111-37=341230×4-504=416262×(272-268)=1048376-(12+121)=243264-171+125=21883+(440-151)=372211×4-832=12239+182+554=975960-(374+81)=505707-469-237=1463+563+173=1199511+(428-381)=55825×5+205=330212×(118-113)=1060806×5=4030136+72-70=138797+785-917=66587×7+129=738450-80×3=210642+551-34=1159345-311=34308+165+660=1133122×(380-373)=854235-39=19629+284×3=881304-(193+48)=63531+70+277=878491-102-137=25223+(465-79)=409134-102=32243+(444-337)=350139×2-109=169302-231-32=39622-(69+63)=490102+370=47229+580-217=39223×6+55=193591+752=1343138+(469-28)=579264+(948-891)=32172+(473-115)=43095+(741-562)=274287-(67+199)=21300×3=900708×(969-963)=4248749×8-855=5137159+130-238=51250+67=317113×9-34=983865-319+263=809951-152×4=34397+239=336545-(168-80)=457475-223-212=40374-28-212=134270-39+545=776255+(399-175)=479499-238+297=558754-95×4=374245+875-867=253571+228+179=978861×5=4305137×5-501=184313+244=55729+271-40=260281-(104+138)=39134-117+878=895321+(448-443)=326246+164=410838-265×2=308481+11×5=536142×4-546=22960+896+475=2331158×5-108=682845×9=7605845-453-221=17140×5+480=680286-(87+148)=51484-140×3=64279-23×3=21011+66+364=441905×2-94=1716488-(381+61)=46363+98×5=853169-(26+34)=109680+810-859=63197+(328-229)=196820-(925-861)=75627+245×4=100779-(395-328)=12616-477=139401+(473-302)=572213-170=4338×9+158=500997-(397+578)=22155+279-245=189456-79×5=61186×3-476=82336+359=69583×9-427=320255×2+88=598389×2-693=857/10+3/10=193×(185-182)=279804-724=80326×(474-471)=978518-181+259=596123+(923-422)=624600+(354-177)=777421-88-116=217690×5=3450405-12-198=195269-208-13=48402-57=345428-206×2=16144+628+378=11503/8-1/8=2/8213×3-453=18633+16=49291-71-80=140349-171+12=190273+(197-100)=370253×2-342=164549×4=2196820-68×4=548306+(487-276)=517885+723+386=19943/6+2/6=5/6224-91=133862+645-702=805274-(310-185)=149769-227-331=211948-303+220=865481+(88-59)=510216-14=202274-109+100=265166×3-268=23096-(341-255)=10186-124-29=33338-(330-274)=282490-(62+51)=377977×(201-193)=7816160×4-452=188104×8+910=1742484-344+188=328948-188-13=747225+(974-867)=332403-43×3=27428×9+237=489123-22×2=79607-520=87118-(291-259)=86474-(253+204)=17544-34×5=374433-77-12=344760-467+515=80829×2+278=336165+452=617448×(794-787)=3136942-(261+117)=564318-100=218328×6-27=194184×3=252624-191+466=899483-164×2=155121×2=242409-168-24=217917-251-317=349963×2=1926543+192=735462-29×5=317779-17+514=1276226+121×6=95297×5-326=159500-403+249=34629+406-368=67891+178-137=932120+31=151471-284-176=11465-(141+245)=79187-169+130=148353-(122+222)=9320+55=375181-158+116=139399×(208-201)=279382+258-18=322586-(979-883)=490320×4-537=743441-297-16=128487-(169+157)=161690-(691-604)=603141+206-76=271443×2=886231+(151-41)=341472-(545-396)=32358×5=290125+211-331=51/8+6/8=7/8426-27×2=37238×(414-409)=190899-253×3=140758+148×4=1350845-190-480=175219-203+133=149197+75×6=64761+324+54=4393/5-1/5=2/552×7=364541+243×4=1513960-(120+655)=185461-124-268=69920-252-15=653448+138+167=75312×3=36546×(574-566)=4368196+130-293=33359-(78-36)=317132×6-597=19510+745+175=930559-(168+340)=51438-(179-41)=300153×4=612496+(297-17)=776656-484=172173×(75-70)=865398+123=521131-29-21=81618-231=38727×7=189694×5=3470431+270×3=12414/6-2/6=2/6159×2+66=384897-47+351=1201793-38-211=544709-612=9794-54+402=442590+336+27=953585-(549-258)=294212-105=107223×(50-46)=892453-(76+200)=177582×5=2910731×7-