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983+124×3=29×8=403+89-187=159×2+374=80+97×6=368-(456-195)=95+(192-46)=375-111-127=876×(668-660)=434-122×2=645-616+383=30+150=402+536=203-(54-34)=65×(118-112)=290-74+141=810-(480-74)=492×(997-990)=466-114=474-71×6=721-(789-406)=274-(100+34)=555+81×3=475-(171-76)=279+182=198-44+175=91+266=880-(446+366)=367+132+235=52×2-27=328+102=294-220+407=879-255-140=38+(487-286)=152+158×4=233+198-276=933+(966-78)=168-47×2=417-(307+63)=592+663-783=296+94-247=831-288-440=432-109-96=723-373+377=186+709=318-256=78-13×3=509-(36+57)=82+322+173=774-562=886-91-647=608×(782-774)=201+(471-203)=111×3+972=216×9=710-257=356×2-253=712-169-40=207×4+644=872-317=334-64×3=821-(445+323)=253+(395-311)=376-(20+27)=123-93+71=907-214+456=375-308+83=95+111×6=375-278+186=384+72+384=410+(467-227)=258+68+319=333×7-511=301×(323-320)=510-146×3=148-39+78=995-322-98=194×(363-354)=345-(94+236)=766-453-211=255+(354-138)=134×2=278+387+94=492+(136-108)=270-125×2=532×(320-313)=83×7-530=841+441-24=266+130=145+628=390-197-50=739-31×7=582-(897-391)=482-68-272=276+51=182×4=419×5=902×5-936=80×7-395=698×5-673=267+(363-212)=163×6+694=347-(139+64)=830-(517-325)=145×4-209=1/7+4/7=947-163-213=345-269+372=730+(500-439)=392+(333-13)=497×8=106+255-110=464-(296+43)=844×(49-40)=138×2+79=997+150-201=340+(464-387)=805+811-153=920-720-164=261-(432-301)=838-(622-501)=155-117+12=742×4=437×5=80+(476-50)=311+654-565=881-404+717=15+(369-112)=482-245+79=909-(296+424)=460-(432-365)=88+314+177=157+46×2=174×2-348=599-123-331=401-(289-147)=171×3=3/7-1/7=565+358=584+445-151=838-780+864=440+(590-427)=417-405+20=328+107+471=345+273+697=864-650+974=6/8-2/8=876+112×7=387-177-33=690+426=434-(299-54)=738-(22+396)=241-135+111=17×(412-404)=524-(289+85)=430+635+416=492-(159-103)=401-74=259+235+76=316-(11+277)=224×(20-16)=897-178×2=100+217+537=408-50×7=52+277+473=91×6-515=669×4-475=93×7=478-(52+60)=393-(457-230)=155×3=225-(67+138)=329-55+856=176×(965-961)=99×9-123=531×2=132×(394-391)=148-(36+91)=679-(402-319)=472-163-90=43×5-99=466+(511-361)=531+630-869=155+18×3=990-266-75=159-22×6=648-(556-48)=311-45=206-146+864=638-453=383+76×4=308-240+409=447-347+86=98×(318-315)=3/6-1/6=857+320+780=355-294+69=364-70=314+149+61=110+288=618-74=151×8-456=704×(377-368)=101+485+285=106×4=930×(388-379)=238×(993-984)=466-234+772=495+51-540=876×7=76×7=571+149=68+280-281=654-211=314-20-200=224+(279-94)=118+116=230-(462-359)=30×6+151=90+395=668-132×3=294-154-127=743×(117-109)=377+114×2=740+213-866=923-618=26-13+259=423-58×7=77+118+78=970-160×4=450-49-338=328+146×2=428-(459-62)=247-47-50=84×(80-71)=769+(764-80)=392-233=501+105=869-202×4=35×7+231=333+137×3=850×6-645=292-(482-268)=393+(86-24)=282-122=783-(22+685)=24+(325-291)=783-240-28=277+(187-163)=125+(244-80)=269+96×7=600+(957-386)=18×6+416=326-(57+199)=487-36×3=170+153=347-(104+243)=896+(433-263)=442-64=604×(280-277)=942+681-322=119+427=451-(431-88)=412-40×4=94+(392-206)=2/7+5/7=195-92=710-169×3=187-(108-54)=338+10+456=213-(153+42)=429-298-100=13×9+431=451+383+806=379-48+73=494-(436-396)=258-(42+116)=483-198×2=719-(842-467)=392-27-209=247-54-84=438-185+58=337+(704-246)=697-109-548=947-572-229=658-104×3=102×(488-485)=154+856-185=913+47+205=121+349-241=778-(907-735)=373-36+114=235-51+902=172+127+678=64+(474-364)=187+273+514=657+132=486+(222-166)=327-75-179=415+250=657-531+519=290-(467-244)=245+179-205=648×(310-305)=488-37×7=400-106=853-71=313-97=185×5=636-85+341=298+(249-81)=957×(564-556)=479×2-771=877+101×8=778×4-633=971-337=89×7=198×2=638+865+502=410×2=447-83×3=420×2=688+194+61=39×4+433=682-(39-13)=855-136=404+(997-438)=44×(309-302)=825-110+60=232+(697-621)=296-159=485×8-775=118-(93-46)=329×(158-155)=90×(391-388)=324-252+70=505+47×3=723-108-289=738-230-418=286-96=35×2+757=702×(365-361)=166×4=747-315×2=52×(450-446)=114+230-82=151+95×7=650+316-825=192×(172-169)=856-745+149=20+117×6=170+(371-298)=54×3=477-(63+29)=66×8+212=584×7-216=133-67-41=434-(41+265)=30×9-163=77×9=288-153+177=868+754-216=211+474=157+(326-265)=95×9-143=110×2-60=280×2=198-84=512-(280+99)=250×8-482=92×6+223=840-589=448-107-285=949-(878+18)=163×6=396×2=342-20-283=481-(100+197)=453+160=652+618=101+19=510-(186-125)=293-264+109=327×3-692=932-382=878-703+171=397-147-186=695-334+581=395-106×3=137-16-14=46+(214-63)=705-(277-56)=721×(224-221)=944-626-33=38×5+262=212×2-103=309-80-34=671-42×5=260+117-168=443-241=1/7+5/7=409+297=161+111+26=54+83×5=780-(57+492)=141+271-65=183×5-674=277+189=36+15=4/7+2/7=118×(41-36)=541+(649-19)=463-(54+301)=465-87×5=167+112=118+200-55=787-(747-707)=359-(45+213)=929-(569-443)=229-224+330=182+797-174=609+334+42=280+101×5=115+282=396-93×3=204-164+115=52×6=263×9=809+364-808=264+159×2=85+62=102×3+32=918-646=258×2=304-86×3=857+323+393=496-411=213+74+173=435+502+862=174+173-280=145+23-38=285-(132-82)=4/8+3/8=39+(271-230)=145×6+802=132×7=229-140=778-209=76×5=229+(359-122)=85×3=912-(791-78)=390-135=49+250=930-(972-337)=116×8-117=300-42×6=235-24×7=176-34=107+87=271-19-17=154×2=12×(384-378)=182-15×8=756×5-446=344-(274-203)=813-202-247=476-(136+89)=206-79×2=962×3=484+187=471+156+293=141+99×5=805×6-818=470-(449+10)=680-616=331×7=179×(372-365)=591-197×2=922+984+851=453×2=340-(149+25)=850-159-411=95+94-33=133×(498-492)=454-38×7=2/10-1/10=257+294-415=322+304+728=25×7+434=916-(541+48)=754-124×4=351-231=956+55-398=347-(40+272)=472-155=492-120×2=200-36=866-(599+57)=461×(422-416)=405×7=548+701+438=624-(248+85)=158-(356-284)=95+385+989=124-89=117+249=440+696+405=455-(913-587)=2/8+3/8=320-304=362-(460-283)=76+16×6=436×2=380-357+335=832+32-520=989-(801+51)=298+640=738-88×3=605+596+974=42×6+183=45×(407-402)=840-37×9=224+20+725=106+282=226×(107-100)=493×9-80=183+350=862-26-518=867-175×4=862×(952-944)=180×3-442=4/8-2/8=185×(496-491)=958+863-876=83×6=892×(550-542)=363+(439-436)=229×4=443+117+242=732×5-305=328-12-276=426-87×4=645+827-779=326+(447-112)=93-12=364-(249-38)=944-460+568=940+144×4=670×9-279=138×2=370+(914-538)=734-411=183+126-47=291+(266-162)=496×(540-533)=938-224-156=924-(467+421)=1/6+3/6=869-601-85=611+220+153=55×2=326+166=450-32×3=113×3-238=144×6+741=455-275-17=374+19×4=715+(978-265)=485-(69+341)=750×6=86+(382-164)=198-125=348+39-17=276+190×3=274-17×4=757+(921-400)=284×3-734=447+402+81=2/6+3/6=190-(140-68)=206-(127-64)=252×(405-399)=70+369-186=446-12-25=138×5+153=52×5+354=151×(64-59)=638×4=601×7=89×7-289=20+473-355=327-114×2=375-(400-327)=805-633=52×7+204=642-90=263+569=915-304+124=214+(230-199)=244-50×4=922×(330-324)=102+302-16=623×3-364=6/9+3/9=242-24-161=947+264=122+69=802×(382-376)=427+167=330-310+151=856-97-160=573+415-331=292-163=102×(49-44)=130+246-234=184×3-258=508-260+678=617+821-493=29+275-73=449-230=331×2=189+231=272+293=731+14×2=395-(72+177)=26+363-143=79+81×8=965-451=441+(192-172)=258-(115-92)=429-(141-101)=235+(973-640)=511×8=641+347-33=4/7-2/7=971-(740+190)=369+76+553=964×7=524+(794-421)=134×6-402=152×7-406=57+383-373=211-47+244=322×(468-465)=382-(137+205)=236×4-150=105×2=765-(662-482)=452-49×9=79+(640-581)=741-423+97=763-296-231=361+969-368=226×(896-891)=294-(484-475)=897-487+784=975-303-94=166×5-182=164×(345-340)=183+514+77=326×3-973=199×4-271=498-337+88=262-82-10=28×7+59=308-237+137=887+(947-53)=738-687+464=163-68×2=473-(48+60)=162×(336-333)=21×9=72×5+660=164+266-200=429-(212-16)=439+960+347=391-29+68=425×2-29=410-42-329=463-53-351=5/8-2/8=33×(295-288)=355-(59+284)=859-171-658=477+69+215=97+387-246=151+151=444-(14+416)=490-107+118=378+596+303=681+657=161×3+369=478+98+467=818×(767-764)=114+224=28×(603-600)=359-(860-726)=422-(30+308)=306-176+173=96×(80-75)=639+734+700=336+19-260=10×4+504=874-730+128=90+(514-144)=414-228=591-(170+307)=50×(187-179)=285+166-248=984-(474+509)=147×(383-379)=132+535-644=343-230=644-47×7=710-(839-737)=327+(328-284)=91+70=128+105=638-91-225=578-557=30×(388-384)=923-(611-232)=438-395+23=284×3=341-254=692+290+774=121-(448-338)=205×2+133=392+71=159+48×7=785-(256+117)=87×(18-10)=1/3+2/3=131-(67+55)=730-(724-113)=214-21×3=723-281=803-(517+72)=485-14×2=129+(914-195)=3/6-2/6=307-217=373-250+217=634×(158-152)=830+23×3=912-59×9=473+(488-72)=65+334=33×7+943=712-205×3=30+212+140=390+60×2=711-360=347×2-572=530-(469+42)=18×9=780+458=845-(231-30)=493-70×4=615-574+587=157-(96+23)=898-(195-56)=548+938-279=1/5+4/5=244+171=772×9-293=23+33+884=159×5=444-59×6=20+(434-410)=140×6=868×2-833=192×2-324=834-(950-749)=3/8-2/8=225×3=577-24×6=87×3+432=197+988-664=284-32×5=875-(605-77)=124×8-137=636+231-294=167+55+169=221+34-140=7/8-1/8=217×2=280-70-26=3/5-2/5=395-(177-66)=288-107-108=435-(96+59)=43×(79-75)=496+255+23=667-490=973×8=87+118-95=112+163-225=287+(347-325)=448-216-58=177+13+400=312×7-188=83×7-407=4/10+5/10=103+273+505=577+20+101=990+(521-263)=76+381=193+311+452=137+270-38=878×8-656=853-194=198+(350-226)=616-151×2=529×7-389=486-(18+111)=515×8-270=813×6=162+336=948-(387+45)=834-(90+712)=246+(454-401)=312+429+55=248+201=128×4+925=540×6-359=253×2=665-(63+335)=420-(158+261)=286+91+582=327×3-225=2/4-1/4=977-120×7=654+787+221=826×6-537=573-88×4=288-231=326-172-11=889+588+182=342×2=441-100-165=101+58=576-(512+23)=542-400+847=22+397-163=804×4-978=908-476=405+(116-12)=48+193=228×(210-207)=730×4-300=282-(421-240)=363-(481-284)=419-43+54=165+315=425-135-59=700-138×3=424-298=277-(147-78)=248-31×4=225+253=356-54=103+914+775=参考答案983+124×3=135529×8=232403+89-187=305159×2+374=69280+97×6=662368-(456-195)=10795+(192-46)=241375-111-127=137876×(668-660)=7008434-122×2=190645-616+383=41230+150=180402+536=938203-(54-34)=18365×(118-112)=390290-74+141=357810-(480-74)=404492×(997-990)=3444466-114=352474-71×6=48721-(789-406)=338274-(100+34)=140555+81×3=798475-(171-76)=380279+182=461198-44+175=32991+266=357880-(446+366)=68367+132+235=73452×2-27=77328+102=430294-220+407=481879-255-140=48438+(487-286)=239152+158×4=784233+198-276=155933+(966-78)=1821168-47×2=74417-(307+63)=47592+663-783=472296+94-247=143831-288-440=103432-109-96=227723-373+377=727186+709=895318-256=6278-13×3=39509-(36+57)=41682+322+173=577774-562=212886-91-647=148608×(782-774)=4864201+(471-203)=469111×3+972=1305216×9=1944710-257=453356×2-253=459712-169-40=503207×4+644=1472872-317=555334-64×3=142821-(445+323)=53253+(395-311)=337376-(20+27)=329123-93+71=101907-214+456=1149375-308+83=15095+111×6=761375-278+186=283384+72+384=840410+(467-227)=650258+68+319=645333×7-511=1820301×(323-320)=903510-146×3=72148-39+78=187995-322-98=575194×(363-354)=1746345-(94+236)=15766-453-211=102255+(354-138)=471134×2=268278+387+94=759492+(136-108)=520270-125×2=20532×(320-313)=372483×7-530=51841+441-24=1258266+130=396145+628=773390-197-50=143739-31×7=522582-(897-391)=76482-68-272=142276+51=327182×4=728419×5=2095902×5-936=357480×7-395=165698×5-673=2817267+(363-212)=418163×6+694=1672347-(139+64)=144830-(517-325)=638145×4-209=3711/7+4/7=5/7947-163-213=571345-269+372=448730+(500-439)=791392+(333-13)=712497×8=3976106+255-110=251464-(296+43)=125844×(49-40)=7596138×2+79=355997+150-201=946340+(464-387)=417805+811-153=1463920-720-164=36261-(432-301)=130838-(622-501)=717155-117+12=50742×4=2968437×5=218580+(476-50)=506311+654-565=400881-404+717=119415+(369-112)=272482-245+79=316909-(296+424)=189460-(432-365)=39388+314+177=579157+46×2=249174×2-348=0599-123-331=145401-(289-147)=259171×3=5133/7-1/7=2/7565+358=923584+445-151=878838-780+864=922440+(590-427)=603417-405+20=32328+107+471=906345+273+697=1315864-650+974=11886/8-2/8=4/8876+112×7=1660387-177-33=177690+426=1116434-(299-54)=189738-(22+396)=320241-135+111=21717×(412-404)=136524-(289+85)=150430+635+416=1481492-(159-103)=436401-74=327259+235+76=570316-(11+277)=28224×(20-16)=896897-178×2=541100+217+537=854408-50×7=5852+277+473=80291×6-515=31669×4-475=220193×7=651478-(52+60)=366393-(457-230)=166155×3=465225-(67+138)=20329-55+856=1130176×(965-961)=70499×9-123=768531×2=1062132×(394-391)=396148-(36+91)=21679-(402-319)=596472-163-90=21943×5-99=116466+(511-361)=616531+630-869=292155+18×3=209990-266-75=649159-22×6=27648-(556-48)=140311-45=266206-146+864=924638-453=185383+76×4=687308-240+409=477447-347+86=18698×(318-315)=2943/6-1/6=2/6857+320+780=1957355-294+69=130364-70=294314+149+61=524110+288=398618-74=544151×8-456=752704×(377-368)=6336101+485+285=871106×4=424930×(388-379)=8370238×(993-984)=2142466-234+772=1004495+51-540=6876×7=613276×7=532571+149=72068+280-281=67654-211=443314-20-200=94224+(279-94)=409118+116=234230-(462-359)=12730×6+151=33190+395=485668-132×3=272294-154-127=13743×(117-109)=5944377+114×2=605740+213-866=87923-618=30526-13+259=272423-58×7=1777+118+78=273970-160×4=330450-49-338=63328+146×2=620428-(459-62)=31247-47-50=15084×(80-71)=756769+(764-80)=1453392-233=159501+105=606869-202×4=6135×7+231=476333+137×3=744850×6-645=4455292-(482-268)=78393+(86-24)=455282-122=160783-(22+685)=7624+(325-291)=58783-240-28=515277+(187-163)=301125+(244-80)=289269+96×7=941600+(957-386)=117118×6+416=524326-(57+199)=70487-36×3=379170+153=323347-(104+243)=0896+(433-263)=1066442-64=378604×(280-277)=1812942+681-322=1301119+427=546451-(431-88)=108412-40×4=25294+(392-206)=2802/7+5/7=1195-92=103710-169×3=203187-(108-54)=133338+10+456=804213-(153+42)=18429-298-100=3113×9+431=548451+383+806=1640379-48+73=404494-(436-396)=454258-(42+116)=100483-198×2=87719-(842-467)=344392-27-209=156247-54-84=109438-185+58=311337+(704-246)=795697-109-548=40947-572-229=146658-104×3=346102×(488-485)=306154+856-185=825913+47+205=1165121+349-241=229778-(907-735)=606373-36+114=451235-51+902=1086172+127+678=97764+(474-364)=174187+273+514=974657+132=789486+(222-166)=542327-75-179=73415+250=665657-531+519=645290-(467-244)=67245+179-205=219648×(310-305)=3240488-37×7=229400-106=294853-71=782313-97=216185×5=925636-85+341=892298+(249-81)=466957×(564-556)=7656479×2-771=187877+101×8=1685778×4-633=2479971-337=63489×7=623198×2=396638+865+502=2005410×2=820447-83×3=198420×2=840688+194+61=94339×4+433=589682-(39-13)=656855-136=719404+(997-438)=96344×(309-302)=308825-110+60=775232+(697-621)=308296-159=137485×8-775=3105118-(93-46)=71329×(158-155)=98790×(391-388)=270324-252+70=142505+47×3=646723-108-289=326738-230-418=90286-96=19035×2+757=827702×(365-361)=2808166×4=664747-315×2=11752×(450-446)=208114+230-82=262151+95×7=816650+316-825=141192×(172-169)=576856-745+149=26020+117×6=722170+(371-298)=24354×3=162477-(63+29)=38566×8+212=740584×7-216=3872133-67-41=25434-(41+265)=12830×9-163=10777×9=693288-153+177=312868+754-216=1406211+474=685157+(326-265)=21895×9-143=712110×2-60=160280×2=560198-84=114512-(280+99)=133250×8-482=151892×6+223=775840-589=251448-107-285=56949-(878+18)=53163×6=978396×2=792342-20-283=39481-(100+197)=184453+160=613652+618=1270101+19=120510-(186-125)=449293-264+109=138327×3-692=289932-382=550878-703+171=346397-147-186=64695-334+581=942395-106×3=77137-16-14=10746+(214-63)=197705-(277-56)=484721×(224-221)=2163944-626-33=28538×5+262=452212×2-103=321309-80-34=195671-42×5=461260+117-168=209443-241=2021/7+5/7=6/7409+297=706161+111+26=29854+83×5=469780-(57+492)=231141+271-65=347183×5-674=241277+189=46636+15=514/7+2/7=6/7118×(41-36)=590541+(649-19)=1171463-(54+301)=108465-87×5=30167+112=279118+200-55=263787-(747-707)=747359-(45+213)=101929-(569-443)=803229-224+330=335182+797-174=805609+334+42=985280+101×5=785115+282=397396-93×3=117204-164+115=15552×6=312263×9=2367809+364-808=365264+159×2=58285+62=147102×3+32=338918-646=272258×2=516304-86×3=46857+323+393=1573496-411=85213+74+173=460435+502+862=1799174+173-280=67145+23-38=130285-(132-82)=2354/8+3/8=7/839+(271-230)=80145×6+802=1672132×7=924229-140=89778-209=56976×5=380229+(359-122)=46685×3=255912-(791-78)=199390-135=25549+250=299930-(972-337)=295116×8-117=811300-42×6=48235-24×7=67176-34=142107+87=194271-19-17=235154×2=30812×(384-378)=72182-15×8=62756×5-446=3334344-(274-203)=273813-202-247=364476-(136+89)=251206-79×2=48962×3=2886484+187=671471+156+293=920141+99×5=636805×6-818=4012470-(449+10)=11680-616=64331×7=2317179×(372-365)=1253591-197×2=197922+984+851=2757453×2=906340-(149+25)=166850-159-411=28095+94-33=156133×(498-492)=798454-38×7=1882/10-1/10=1/10257+294-415=136322+304+728=135425×7+434=609916-(541+48)=327754-124×4=258351-231=120956+55-398=613347-(40+272)=35472-155=317492-120×2=252200-36=164866-(599+57)=210461×(422-416)=2766405×7=2835548+701+438=1687624-(248+85)=291158-(356-284)=8695+385+989=1469124-89=35117+249=366440+696+405=1541455-(913-587)=1292/8+3/8=5/8320-304=16362-(460-283)=18576+16×6=172436×2=872380-357+335=358832+32-520=344989-(801+51)=137298+640=938738-88×3=474605+596+974=217542×6+183=43545×(407-402)=225840-37×9=507224+20+725=969106+282=388226×(107-100)=1582493×9-80=4357183+350=533862-26-518=318867-175×4=167862×(952-944)=6896180×3-442=984/8-2/8=2/8185×(496-491)=925958+863-876=94583×6=498892×(550-542)=7136363+(439-436)=366229×4=916443+117+242=802732×5-305=3355328-12-276=40426-87×4=78645+827-779=693326+(447-112)=66193-12=81364-(249-38)=153944-460+568=1052940+144×4=1516670×9-279=5751138×2=276370+(914-538)=746734-411=323183+126-47=262291+(266-162)=395496×(540-533)=3472938-224-156=558924-(467+421)=361/6+3/6=4/6869-601-85=183611+220+153=98455×2=110326+166=492450-32×3=354113×3-238=101144×6+741=1605455-275-17=163374+19×4=450715+(978-265)=1428485-(69+341)=75750×6=450086+(382-164)=304198-125=73348+39-17=370276+190×3=846274-17×4=206757+(921-400)=1278284×3-734=118447+402+81=9302/6+3/6=5/6190-(140-68)=118206-(127-64)=143252×(405-399)=151270+369-186=253446-12-25=409138×5+153=84352×5+354=614151×(64-59)=755638×4=2552601×7=420789×7-289=33420+473-355=138327-114×2=99375-(400-327)=302805-633=17252×7+204=568642-90=552263+569=832915-304+124=735214+(230-199)=245244-50×4=44922×(330-324)=5532102+302-16=388623×3-364=15056/9+3/9=1242-24-161=57947+264=1211122+69=191802×(382-376)=4812427+167=594330-310+151=171856-97-160=599573+415-331=657292-163=129102×(49-44)=510130+246-234=142184×3-258=294508-260+678=926617+821-493=94529+275-73=231449-230=219331×2=662189+231=420272+293=565731+14×2=759395-(72+177)=14626+363-143=24679+81×8=727965-451=514441+(192-172)=461258-(115-92)=235429-(141-101)=389235+(973-640)=568511×8=4088641+347-33=9554/7-2/7=2/7971-(740+190)=41369+76+553=998964×7=6748524+(794-421)=897134×6-402=402152×7-406=65857+383-373=67211-47+244=408322×(468-465)=966382-(137+205)=40236×4-150=794105×2=210765-(662-482)=585452-49×9=1179+(640-581)=138741-423+97=415763-296-231=236361+969-368=962226×(896-891)=1130294-(484-475)=285897-487+784=1194975-303-94=578166×5-182=648164×(345-340)=820183+514+77=774326×3-973=5199×4-271=525498-337+88=249262-82-10=17028×7+59=255308-237+137=208887+(947-53)=1781738-687+464=515163-68×2=27473-(48+60)=365162×(336-333)=48621×9=18972×5+660=1020164+266-200=230429-(212-16)=233439+960+347=1746391-29+68=430425×2-29=821410-42-329=39463-53-351=595/8-2/8=3/833×(295-288)=231355-(59+284)=12859-171-658=30477+69+215=76197+387-246=238151+151=302444-(14+416)=14490-107+118=501378+596+303=1277681+657=1338161×3+369=852478+98+467=1043818×(767-764)=2454114+224=33828×(603-600)=84359-(860-726)=225422-(30+308)=84306-176+173=30396×(80-75)=480639+734+700=2073336+19-260=9510×4+504=544874-730+128=27290+(514-144)=460414-228=186591-(170+