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5/8-1/8=603-339-139=256+87-88=864×8-903=289+229=70×4+496=500-205-17=930-(519-152)=236-192-27=46×9+471=202-123=945-234-535=755+290=240×6=17×7+157=287+892+377=831+293-984=111×2+433=166+256-200=446-(442-57)=69+(208-154)=343-307+53=884×(151-148)=46×(133-129)=603×7-656=362-324=173-17+193=139+82=129-24×2=424-226=468-(178+286)=119+101=105-74=882-(279-63)=363+134×4=69+151-27=192-24-111=67+171-102=382-117-216=107+33=619-359-250=763-41×8=46×7+377=177×5-848=50+258=430×(184-175)=979-424-245=730-(611+44)=17+141-76=595×4=140-35+301=382-33×8=30×6=702+268-914=155×3=223+177=375+95-272=424-(197+103)=579-(236+70)=785-(692-511)=190+189-195=496-(481-109)=673+(79-44)=868-38×4=413-42×3=225×(228-224)=137-(96-93)=74×3+19=650-164×3=158+318=962-(355+427)=561-408+466=419-271+159=234+(306-58)=233+40+310=463-299=178+(238-81)=759-495=273-70×2=79×2=705-92×4=951-566=756-83=494-(45+434)=460+832+408=532+100=49×(451-448)=844×(501-492)=518+277=870-360=953-373+376=2/8+3/8=790-553=271-(295-208)=39×5+231=482+359+128=30+(184-16)=780-678=375+725=80-19=460+(300-237)=979-153=363-(440-257)=500-449+70=256+395+182=370+60-93=195-139=364-84=34+182=963-(420+215)=194×3-24=106×5=117+212-131=751+113×5=56×8=769-(494+30)=431+(423-337)=353-(486-295)=1/4+3/4=283+10-283=511+263=707+(961-422)=919-(152+81)=891-(124+648)=443+130-386=354-40=342+353-493=233+223×3=389+78×9=274-47-85=32+948+908=942-526=288+208-136=807×6=383×3-289=278+262=997×(938-932)=329-93-220=491-(389-296)=333+(439-88)=691×(778-773)=305-122+260=376-190-177=666+284+45=107×(150-142)=502+49×8=345+151-268=461-23×2=136+(254-145)=400+369×2=725-713=751-(404-216)=423×6=559-(247+39)=294+139=829×(104-100)=3/5-1/5=245-15×2=846-19×8=141×5-636=173+324=108×7=466-(426-154)=450×2-883=139×6-139=219-(34+30)=807+534=168×5=293+175=452-(310+99)=6/10-3/10=333×(630-627)=515-24×2=109-10=309×6-984=831-238-559=761×3=85×(384-375)=457-157-52=440+108+252=379-354+952=497+252×3=466-45=852-(931-184)=65+503-452=362-209+264=194×4+641=100×(440-436)=893-375×2=219-(403-229)=487-256=879-68+175=280-161+33=968-(20+151)=168+286-103=85-78+248=127-(311-255)=931-248-98=273×2=775+(725-611)=1/6+4/6=76×3-42=929+(999-973)=393-347+426=317-118×2=725×9=145+851=652×5=248+51=191+138=556×7-139=289×2=288×2-524=371-62-42=267×3-696=810+677+114=815-505=536+(972-614)=358×8=168+220-383=876+397-978=835-72×9=426+(855-413)=228-(341-309)=903+(609-109)=960-173-524=110×3=819+816=589+106+55=77×8=91+92=658×(301-297)=38+946-724=342-148+606=66-43+162=941-(315+332)=292×6=184+383=941-555=873-405-384=478-(130+30)=356-20×2=245-212+214=87×6-282=481-(117+149)=701+609-228=41×7-108=299+98-240=817-53-455=155×6=199-(480-349)=46×8+177=498-88×2=372+(439-278)=91×4-194=102+620+14=334+627=247+186+216=979×(158-150)=275-35=256-230=295-78×2=466-(434-324)=24+10=424-(123-56)=110-(369-276)=913-897+507=395×2+460=374-(232-211)=481-(151-73)=965×(541-534)=926-93×4=300×2-171=732×(934-930)=913-83-728=487+(380-314)=220+506=160×6=582+269+105=440-12×9=314×9-168=932-516=262-54×3=937-(61+510)=23×(395-386)=176×2=597-411+51=306×(703-700)=555+177+203=313-69-167=34×(334-330)=808×6-193=914+970+427=422-95×3=934-(388+67)=973+614-989=45+(717-170)=3/7-2/7=531-162×3=762+151×5=4/7-2/7=70×3-119=2/3-1/3=543+63+171=140×4-558=124×(359-351)=161+540-459=282-12+101=262+150=436+(302-192)=195+135×5=473-(153+146)=639-(208+372)=447-305=956+149+642=124-49+170=295×(659-653)=829+543+406=427-293+53=28×(232-226)=441-(21+402)=45-13+344=215-138+281=80×2-86=313-162=116×4-446=916-709=931-116=212×4+679=929+965+904=877×(569-561)=872-(168-92)=478-226=241+(815-440)=926-313×2=373+103-345=3/5-2/5=100+70-154=702+(952-722)=34×(167-162)=147+344=54×(399-390)=897-102-595=813×5=932-(396-395)=60×4+247=140+520=70+667+224=136×(328-322)=64+494+94=837-147×2=444-276-34=235×(49-45)=22+510+285=69×9=389-112-19=810-(992-643)=733-320-138=538+797+416=287×2-364=896-704+942=56+(416-299)=478-338+171=491-318-63=737-546+520=696+45×2=949+540-691=330×2+941=938-506-73=893+401=83+75=942×7=738-70×5=910+855+619=267×8-275=474-228-234=121×4-325=352-(52+172)=449-(54+385)=490-401-51=83×(70-63)=815-(753-240)=21×3=982×8=348+250×2=448-18×4=911-54=834-(161+451)=389-203+478=455×3=918-688-94=249×3+329=891+644=270-18-251=540+13+423=195×(372-369)=815-(520-244)=28×5-107=838×5-383=348-82=907-369+968=12×4+26=294+250-98=919-888+468=336-247-39=14×(485-481)=821+42-40=429+308=939+(220-135)=777-259+375=337+199=956-135×5=194+11-145=493-202+137=110+36-94=220+(174-135)=457-55×3=200+(379-339)=362-169+766=741+175×4=805-598-164=116×6=77×2+479=128×5=28×7=230-24×6=253-(379-134)=535+82+377=321-(44+196)=130+125×4=381+(289-247)=451-20×6=537+617+695=871+929-754=257-(110+139)=270×7=867-809+597=875+63×2=264+22×6=366+70=197+859=164+511=482-58=475-179+899=477×4-572=231-(290-149)=51+(270-19)=109×8=434-117-82=1/7+3/7=745-(85+516)=774-488-77=672-(960-653)=96×(488-479)=203-133=58×5=214-(19+166)=69×3=344+111-433=593+669=239-190+16=951-913=571-(520-325)=687+25-17=2/6-1/6=964+109×6=497-117=288×2=379-(468-467)=189-46=534-(52+40)=404+595=377-(811-493)=76×6+778=724-99+767=545+610-482=4/7+2/7=289×3-353=481-(189+214)=436-53×8=70-16×3=71×(350-344)=972-(697-395)=242+720-114=89+165×4=740×2=40+249×2=31+153=302+100×4=250-17×8=189-175=732-(140+433)=413+38-378=620+(921-333)=218+942+929=722×9-332=730-150×4=94×(401-395)=282+604+311=458-(114+318)=461×2-784=127×9-448=737×(932-927)=10×(423-417)=936×4=405+170+65=378-180-149=363+133-240=807-235×2=480-281+161=492-213-97=306×2=243+(456-191)=92+354-318=376+172+293=293+172+140=119+231-225=711-(187+135)=263+99+589=321-207+603=547×(246-241)=3/8-1/8=189-115+158=20×(251-242)=800-667+982=63×2+95=851-(133+402)=790+(713-640)=650×(590-582)=458-14-161=169+162+277=47×9-356=633-69-257=297×(313-306)=237+(474-329)=334-(215+102)=473-75=432-44×8=834×8-132=12+416-164=544-(734-588)=464+(183-111)=550-462=247+(823-780)=799-89+40=560+311×2=30+287+195=464×2+683=80+(181-18)=484-(93+12)=329-50-151=148×4-356=464×4-406=121+(382-107)=5/9+2/9=474-(675-389)=569+(627-513)=13+305-234=299+135×4=420-409=13+(335-17)=836-(283-71)=537-330-25=689+(839-434)=353-82×2=100-95+229=356+(346-177)=656+(881-808)=404-22-69=346-44=145-(332-312)=478+498-402=395-(205-187)=329-170-142=165+(426-225)=366-20×8=128+(553-270)=433-(723-456)=245+653=819-643=130×9=471-253-99=773-16×7=626+322+16=85×(302-295)=87×(18-10)=352-239+169=330+(281-131)=57+212=729×6-403=44×8=708×7=496+77×7=710+332=905×2=319+212+144=307-86×2=113×7-639=138+332=94+400=61+385-90=11×8+155=126+16×4=365-(799-491)=3/6-1/6=12×6=500×(231-222)=52×7=98×(182-177)=167+(350-20)=248+(316-54)=236×3+110=408-65×4=669-123×2=33+528+513=420-280=68×9=337×7-544=858-(27+128)=78+294=591-(215+13)=704-(33+651)=319-271=240+191+155=77×7=426-273=490-275-114=117+299+256=405+(863-329)=471-95×2=530-(133+364)=330-(47+185)=185-41+233=288-29-178=550×5=163×(455-450)=317+707+660=925-(678-440)=226+82=425-17×5=129×(461-458)=150-91+197=186+(446-62)=354-(379-118)=139×5-690=117+614-688=176+33×8=298+(647-423)=35+69=363-(104+33)=51×9=247+103×3=695×8-698=946-(553-523)=211×9-831=218-99+58=446-46-397=617-412+434=214+(467-463)=317+880-970=554+523=540-506=999-(842+136)=278+782-90=771-433+912=361-(403-67)=86+330-252=830-(798-707)=309×8-456=315-(446-139)=445×2-10=26×2+450=717-(506+119)=154-109+129=778+540+529=236-(461-328)=386-292+283=578+331+426=485×7-315=650-(135+366)=66×7=850-169+800=452-130=302-22-230=92×3=92+365-363=410-(230+99)=448+(499-245)=408-363=756+43-149=410-40=21×4=759-(439+246)=180+177=759+538+774=483-(299-84)=662-116-158=670×(775-769)=388+178×2=914-(353+212)=1/3+2/3=458-63-242=323+59+329=281-(185-57)=988-(398-376)=172-(246-221)=775×6-142=484+887=1/10+8/10=253-44=988-66-237=657-143-188=35×(216-213)=108×9+523=712×(719-710)=29×8-46=82+(148-110)=317+92-338=293+23+230=113+335=27×7+204=470-363+145=885-347-378=179-160+59=63+277=410+(314-193)=177×9-14=1/5+3/5=760-(265+341)=401+983-990=339-(324-290)=13+221+442=421-(144+106)=571-159-405=430-102+541=1/8+7/8=791×(695-686)=234+154+208=99×9-411=201-145=335-161×2=400-15×2=317-(358-233)=499-47=155×5=905+407+341=399-75-280=917-60-695=455+(418-203)=701-43-301=436-154×2=391+736+444=587+688-915=13+958+317=266-61×2=474-(120+231)=884-160×4=754×6=637-336-169=93×(437-429)=5/9-3/9=243-194+429=681-193×2=495+332-451=1/10+2/10=64×8-134=105+94×4=102×(275-269)=277-(55+71)=445×7-711=798-18×5=309+23+484=695+(649-527)=824+(818-243)=13+(463-121)=486-406=345-120=734-125×5=856-275=59×(369-364)=247-(104+138)=283+180+155=426-(329+81)=329+165=3/7+2/7=410-125-213=370-(192+147)=381+985-195=269-(53+89)=893-195×3=216+489+391=710-634+794=231+890-749=328×(29-25)=586-39×3=35×(41-37)=642-(613-487)=598+343-369=432×(634-631)=556×2=473-(156+155)=386+(304-71)=283-108=471-23=86+94+707=328+157-115=205+388×2=195+401=105+343=741-540+897=522-27×9=182×3+871=184+506+179=583+12+664=598+885+171=799×4-121=75×2-75=40×(449-441)=301-147-28=51×8+480=39×7+266=809×4=5/9-4/9=181+537+109=83×7-243=692×9-774=253+134=245-94=312-124+718=244×3-25=486-209-66=221-34×6=26×9=884×5-849=390-(273-25)=772×(934-927)=58+(608-182)=177+(469-157)=298×2-508=135×3+101=281×3=300-(300-82)=66+228+717=470×8-40=13×5+457=79×8=416×(457-452)=172-(799-710)=261-12×2=264+129=458-276+211=169+163×5=467-159×2=432×2+128=313+137=98-(76-22)=831+883-19=70+(943-345)=321-76×3=31+22×4=494-(149+153)=266×(134-131)=195-(260-148)=443-(158+270)=参考答案5/8-1/8=4/8603-339-139=125256+87-88=255864×8-903=6009289+229=51870×4+496=776500-205-17=278930-(519-152)=563236-192-27=1746×9+471=885202-123=79945-234-535=176755+290=1045240×6=144017×7+157=276287+892+377=1556831+293-984=140111×2+433=655166+256-200=222446-(442-57)=6169+(208-154)=123343-307+53=89884×(151-148)=265246×(133-129)=184603×7-656=3565362-324=38173-17+193=349139+82=221129-24×2=81424-226=198468-(178+286)=4119+101=220105-74=31882-(279-63)=666363+134×4=89969+151-27=193192-24-111=5767+171-102=136382-117-216=49107+33=140619-359-250=10763-41×8=43546×7+377=699177×5-848=3750+258=308430×(184-175)=3870979-424-245=310730-(611+44)=7517+141-76=82595×4=2380140-35+301=406382-33×8=11830×6=180702+268-914=56155×3=465223+177=400375+95-272=198424-(197+103)=124579-(236+70)=273785-(692-511)=604190+189-195=184496-(481-109)=124673+(79-44)=708868-38×4=716413-42×3=287225×(228-224)=900137-(96-93)=13474×3+19=241650-164×3=158158+318=476962-(355+427)=180561-408+466=619419-271+159=307234+(306-58)=482233+40+310=583463-299=164178+(238-81)=335759-495=264273-70×2=13379×2=158705-92×4=337951-566=385756-83=673494-(45+434)=15460+832+408=1700532+100=63249×(451-448)=147844×(501-492)=7596518+277=795870-360=510953-373+376=9562/8+3/8=5/8790-553=237271-(295-208)=18439×5+231=426482+359+128=96930+(184-16)=198780-678=102375+725=110080-19=61460+(300-237)=523979-153=826363-(440-257)=180500-449+70=121256+395+182=833370+60-93=337195-139=56364-84=28034+182=216963-(420+215)=328194×3-24=558106×5=530117+212-131=198751+113×5=131656×8=448769-(494+30)=245431+(423-337)=517353-(486-295)=1621/4+3/4=1283+10-283=10511+263=774707+(961-422)=1246919-(152+81)=686891-(124+648)=119443+130-386=187354-40=314342+353-493=202233+223×3=902389+78×9=1091274-47-85=14232+948+908=1888942-526=416288+208-136=360807×6=4842383×3-289=860278+262=540997×(938-932)=5982329-93-220=16491-(389-296)=398333+(439-88)=684691×(778-773)=3455305-122+260=443376-190-177=9666+284+45=995107×(150-142)=856502+49×8=894345+151-268=228461-23×2=415136+(254-145)=245400+369×2=1138725-713=12751-(404-216)=563423×6=2538559-(247+39)=273294+139=433829×(104-100)=33163/5-1/5=2/5245-15×2=215846-19×8=694141×5-636=69173+324=497108×7=756466-(426-154)=194450×2-883=17139×6-139=695219-(34+30)=155807+534=1341168×5=840293+175=468452-(310+99)=436/10-3/10=3/10333×(630-627)=999515-24×2=467109-10=99309×6-984=870831-238-559=34761×3=228385×(384-375)=765457-157-52=248440+108+252=800379-354+952=977497+252×3=1253466-45=421852-(931-184)=10565+503-452=116362-209+264=417194×4+641=1417100×(440-436)=400893-375×2=143219-(403-229)=45487-256=231879-68+175=986280-161+33=152968-(20+151)=797168+286-103=35185-78+248=255127-(311-255)=71931-248-98=585273×2=546775+(725-611)=8891/6+4/6=5/676×3-42=186929+(999-973)=955393-347+426=472317-118×2=81725×9=6525145+851=996652×5=3260248+51=299191+138=329556×7-139=3753289×2=578288×2-524=52371-62-42=267267×3-696=105810+677+114=1601815-505=310536+(972-614)=894358×8=2864168+220-383=5876+397-978=295835-72×9=187426+(855-413)=868228-(341-309)=196903+(609-109)=1403960-173-524=263110×3=330819+816=1635589+106+55=75077×8=61691+92=183658×(301-297)=263238+946-724=260342-148+606=80066-43+162=185941-(315+332)=294292×6=1752184+383=567941-555=386873-405-384=84478-(130+30)=318356-20×2=316245-212+214=24787×6-282=240481-(117+149)=215701+609-228=108241×7-108=179299+98-240=157817-53-455=309155×6=930199-(480-349)=6846×8+177=545498-88×2=322372+(439-278)=53391×4-194=170102+620+14=736334+627=961247+186+216=649979×(158-150)=7832275-35=240256-230=26295-78×2=139466-(434-324)=35624+10=34424-(123-56)=357110-(369-276)=17913-897+507=523395×2+460=1250374-(232-211)=353481-(151-73)=403965×(541-534)=6755926-93×4=554300×2-171=429732×(934-930)=2928913-83-728=102487+(380-314)=553220+506=726160×6=960582+269+105=956440-12×9=332314×9-168=2658932-516=416262-54×3=100937-(61+510)=36623×(395-386)=207176×2=352597-411+51=237306×(703-700)=918555+177+203=935313-69-167=7734×(334-330)=136808×6-193=4655914+970+427=2311422-95×3=137934-(388+67)=479973+614-989=59845+(717-170)=5923/7-2/7=1/7531-162×3=45762+151×5=15174/7-2/7=2/770×3-119=912/3-1/3=1/3543+63+171=777140×4-558=2124×(359-351)=992161+540-459=242282-12+101=371262+150=412436+(302-192)=546195+135×5=870473-(153+146)=174639-(208+372)=59447-305=142956+149+642=1747124-49+170=245295×(659-653)=1770829+543+406=1778427-293+53=18728×(232-226)=168441-(21+402)=1845-13+344=376215-138+281=35880×2-86=74313-162=151116×4-446=18916-709=207931-116=815212×4+679=1527929+965+904=2798877×(569-561)=7016872-(168-92)=796478-226=252241+(815-440)=616926-313×2=300373+103-345=1313/5-2/5=1/5100+70-154=16702+(952-722)=93234×(167-162)=170147+344=49154×(399-390)=486897-102-595=200813×5=4065932-(396-395)=93160×4+247=487140+520=66070+667+224=961136×(328-322)=81664+494+94=652837-147×2=543444-276-34=134235×(49-45)=94022+510+285=81769×9=621389-112-19=258810-(992-643)=461733-320-138=275538+797+416=1751287×2-364=210896-704+942=113456+(416-299)=173478-338+171=311491-318-63=110737-546+520=711696+45×2=786949+540-691=798330×2+941=1601938-506-73=359893+401=129483+75=158942×7=6594738-70×5=388910+855+619=2384267×8-275=1861474-228-234=12121×4-325=159352-(52+172)=128449-(54+385)=10490-401-51=3883×(70-63)=581815-(753-240)=30221×3=63982×8=7856348+250×2=848448-18×4=376911-54=857834-(161+451)=222389-203+478=664455×3=1365918-688-94=136249×3+329=1076891+644=1535270-18-251=1540+13+423=976195×(372-369)=585815-(520-244)=53928×5-107=33838×5-383=3807348-82=266907-369+968=150612×4+26=74294+250-98=446919-888+468=499336-247-39=5014×(485-481)=56821+42-40=823429+308=737939+(220-135)=1024777-259+375=893337+199=536956-135×5=281194+11-145=60493-202+137=428110+36-94=52220+(174-135)=259457-55×3=292200+(379-339)=240362-169+766=959741+175×4=1441805-598-164=43116×6=69677×2+479=633128×5=64028×7=196230-24×6=86253-(379-134)=8535+82+377=994321-(44+196)=81130+125×4=630381+(289-247)=423451-20×6=331537+617+695=1849871+929-754=1046257-(110+139)=8270×7=1890867-809+597=655875+63×2=1001264+22×6=396366+70=436197+859=1056164+511=675482-58=424475-179+899=1195477×4-572=1336231-(290-149)=9051+(270-19)=302109×8=872434-117-82=2351/7+3/7=4/7745-(85+516)=144774-488-77=209672-(960-653)=36596×(488-479)=864203-133=7058×5=290214-(19+166)=2969×3=207344+111-433=22593+669=1262239-190+16=65951-913=38571-(520-325)=376687+25-17=6952/6-1/6=1/6964+109×6=1618497-117=380288×2=576379-(468-467)=378189-46=143534-(52+40)=442404+595=999377-(811-493)=5976×6+778=1234724-99+767=1392545+610-482=6734/7+2/7=6/7289×3-353=514481-(189+214)=78436-53×8=1270-16×3=2271×(350-344)=426972-(697-395)=670242+720-114=84889+165×4=749740×2=148040+249×2=53831+153=184302+100×4=702250-17×8=114189-175=14732-(140+433)=159413+38-378=73620+(921-333)=1208218+942+929=2089722×9-332=6166730-150×4=13094×(401-395)=564282+604+311=1197458-(114+318)=26461×2-784=138127×9-448=695737×(932-927)=368510×(423-417)=60936×4=3744405+170+65=640378-180-149=49363+133-240=256807-235×2=337480-281+161=360492-213-97=182306×2=612243+(456-191)=50892+354-318=128376+172+293=841293+172+140=605119+231-225=125711-(187+135)=389263+99+589=951321-207+603=717547×(246-241)=27353/8-1/8=2/8189-115+158=23220×(251-242)=180800-667+982=111563×2+95=221851-(133+402)=316790+(713-640)=863650×(590-582)=5200458-14-161=283169+162+277=60847×9-356=67633-69-257=307297×(313-306)=2079237+(474-329)=382334-(215+102)=17473-75=398432-44×8=80834×8-132=654012+416-164=264544-(734-588)=398464+(183-111)=536550-462=88247+(823-780)=290799-89+40=750560+311×2=118230+287+195=512464×2+683=161180+(181-18)=243484-(93+12)=379329-50-151=128148×4-356=236464×4-406=1450121+(382-107)=3965/9+2/9=7/9474-(675-389)=188569+(627-513)=68313+305-234=84299+135×4=839420-409=1113+(335-17)=331836-(283-71)=624537-330-25=182689+(839-434)=1094353-82×2=189100-95+229=234356+(346-177)=525656+(881-808)=729404-22-69=313346-44=302145-(332-312)=125478+498-402=574395-(205-187)=377329-170-142=17165+(426-225)=366366-20×8=206128+(553-270)=411433-(723-456)=166245+653=898819-643=176130×9=1170471-253-99=119773-16×7=661626+322+16=96485×(302-295)=59587×(18-10)=696352-239+169=282330+(281-131)=48057+212=269729×6-403=397144×8=352708×7=4956496+77×7=1035710+332=1042905×2=1810319+212+144=675307-86×2=135113×7-639=152138+332=47094+400=49461+385-90=35611×8+155=243126+16×4=190365-(799-491)=573/6-1/6=2/612×6=72500×(231-222)=450052×7=36498×(182-177)=490167+(350-20)=497248+(316-54)=510236×3+110=818408-65×4=148669-123×2=42333+528+513=1074420-280=14068×9=612337×7-544=1815858-(27+128)=70378+294=372591-(215+13)=363704-(33+651)=20319-271=48240+191+155=58677×7=539426-273=153490-275-114=101117+299+256=672405+(863-329)=939471-95×2=281530-(133+364)=33330-(47+185)=98185-41+233=377288-29-178=81550×5=2750163×(455-450)=815317+707+660=1684925-(678-440)=687226+82=308425-17×5=340129×(461-458)=387150-91+197=256186+(446-62)=570354-(379-118)=93139×5-690=5117+614-688=43176+33×8=440298+(647-423)=52235+69=104363-(104+33)=22651×9=459247+103×3=556695×8-698=4862946-(553-523)=916211×9-831=1068218-99+58=177446-46-397=3617-412+434=639214+(467-463)=218317+880-970=227554+523=1077540-506=34999-(842+136)=21278+782-90=970771-433+912=1250361-(403-67)=2586+330-252=164830-(798-707)=739309×8-456=2016315-(446-139)=8445×2-10=88026×2+450=502717-(506+119)=92154-109+129=174778+540+529=1847236-(461-328)=103386-292+283=377578+331+426=1335485×7-315=3080650-(135+366)=14966×7=462850-169+800=1481452-130=322302-22-230=5092×3=27692+365-363=94410-(230+99)=81448+(499-245)=702408-363=45756+43-149=650410-40=37021×4=84759-(439+246)=74180+177=357759+538+774=2071483-(299-84)=268662-116-158=388670×(775-769)=4020388+178×2=744914-(353+212)=3491/3+2/3=1458-63-242=153323+59+329=711281-(185-57)=153988-(398-376)=966172-(246-221)=147775×6-142=4508484+887=13711/10+8/10=9/10253-44=209988-66-237=685657-143-188