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908×9=143+98×2=934+(662-412)=216×2=289×3=537-(108+39)=478-(442+26)=794+(917-103)=614×(202-196)=907-18-347=917+70+524=156×5-224=39+208=758-153×2=251×6-595=118×(340-337)=807-(165+99)=647-(416+28)=624×8=30×9=194×3=373×(972-965)=449-(209+133)=401×(378-372)=230-91+361=404-115+64=145+29=6/9-1/9=998-188=668-307-136=457-(451-383)=323-(976-790)=236+28+430=520+172+56=83+(179-118)=633+565-996=72+148×4=963-50-59=461-29×5=318-(117+133)=186-(336-268)=897+287-799=138+53×6=434-(213+188)=2/6-1/6=299×(477-473)=102×5-35=368-(421-303)=128-(18+77)=331-(100+167)=288+276=772×7-794=587-81=425-(429-71)=475-236+389=663-107×5=357-72×3=497-35×4=88×(354-348)=885-294=184+275×3=994×2=461-(23+424)=767-(622-580)=180×4-640=826-490+119=369+69-403=254+233=75×3=116-(48+45)=3/4-1/4=1/5+2/5=376-73-19=799-341-375=587-97+527=27×(304-301)=200+596-94=460-(57+78)=56+400-390=153-(411-286)=660-(377-193)=135+(410-35)=760+733=294+235+447=994-116-877=231-68=137+(277-158)=209+117-247=912-28=146+233=160+51+584=491+889+646=137+93+74=305-(126+119)=261+584+50=150×7=764×6=11×4+404=141×(435-428)=960-110=695+634-970=185×3+117=121+663=413-(116+90)=940-181×2=416-184-218=496-88-242=669+952=87+322+173=4/7-2/7=333-24×2=502×7-566=901-(184+382)=442-414+29=340+129-197=971-46×6=191-(73+73)=93×9=111+799+197=314-(488-477)=457-44=479-(43+54)=464-201=304-(436-200)=941+600-698=478×9-871=75×6+909=880-832+657=424-326-24=447-217+143=568×(444-441)=485-282+177=455-441-13=283×2-529=854-63-62=866-218×3=165-23=497-(289-144)=463-40×9=275×3-180=785-(797-772)=111×3=383×4-566=932-859+246=735+262-767=794-(229+502)=137×2=95+26=241-76+323=112×7-56=383+64×2=452-(382-153)=228+175+486=264+(490-23)=376+250+359=6/10+3/10=365-291=110×3-121=758-(884-380)=260-(463-381)=659-(371-316)=845×7=889×8-114=651+793=918×5=120+23+342=107×(471-465)=43+289-109=395-(134+76)=371-(195-192)=424+(358-259)=585-(512-314)=315-98-72=151+50-199=427+49-304=625+480-168=45×(360-355)=633+357+374=536+348=832-248-157=849-27×9=297+30×2=118×7-522=106-103+416=164+163+165=163+56-145=468+(364-92)=993-(762-497)=520×(116-111)=871-696=60×9+251=179×2-166=863+123+794=374+(427-302)=733+100×7=872+32+342=355-(226+106)=384+222+141=98×8+27=530-74-316=408+279×3=374-102=478-89-314=35+654+697=6/8-1/8=48×5=183×(227-221)=624-354+470=458-107+786=861+136-286=239-(182-83)=210-19×3=828×5-587=531+39×9=327×(136-133)=288+(380-33)=994+(796-62)=702-342+145=784+(781-236)=380-50×6=980×(740-733)=890-528+462=67×4+860=79+331+29=226×4=41×2+81=131+292+164=383×3=29×(83-75)=786-(110+46)=336-71+134=340-242=255-123=188+(285-12)=307×2-442=418-19-50=270-60+368=549+(853-253)=318-(191+93)=985-577-271=232-(154-92)=34×7=302-16+133=301-49×2=70×(367-360)=949×(45-37)=288-68-180=615-(27+437)=816+245-160=114×8-420=276+(849-604)=209+(957-344)=70×5=139×4+410=31+309+523=258+193-387=194×(293-290)=601×8-131=896-47=767-140-74=462-108×2=263×(45-42)=501-(37+19)=977-459+208=62×(272-263)=603-(71+203)=444-(149+106)=197+111-151=419+535=79+38=838-260=898-88-213=1/8+6/8=457+796+797=30+211+556=317+145-211=97×(326-321)=70×3=461-98-73=452+(982-557)=122×8=967+532-973=431-(18+333)=277×2-89=44+(200-132)=879-500=494-50×9=171+257+338=262×3-674=366+572-522=657-(48+399)=809+634-141=515+335=156+127=742+485-516=8/9-1/9=259×4-903=542-135+362=87×(179-175)=200+145=209-207+426=421+183=198-(351-294)=317+(989-790)=811×6=80-49-20=898+391+83=998-89-317=471-168-79=483-23-312=412-(469-117)=455-112=783-513=68×(152-145)=49+198=506×9=148-(535-520)=419-(93+113)=990+165×4=484-480+453=327+70=233×7-385=280×2-515=439-256-151=188×(424-419)=313-(361-154)=279-(274-64)=298-186-104=239-(86+124)=155+95=261+111+496=571+228=730-338-22=169+301=319-51×6=283+150-114=562+839+801=490-70×4=341-258=867+188×5=483-110×4=333-17=442+(419-355)=646×7-952=497-(429+56)=288-190+281=249-36×2=340-85+132=967-101+994=91×7+982=768-580=384+324+195=62×(289-281)=611×6-831=194-46×3=870×(41-38)=563×7-214=444-320=31×9=309+239+443=868×(221-218)=534-470=35×9=163+(402-165)=632-(85+266)=70+21=122+273-167=755×4=856-91×4=434+(378-374)=887-396-281=89-27=228+189=451-299=831-(212+39)=348+94=136×(145-139)=336-313-16=13+477-10=416-79=327-24×6=994-(565+225)=382+93=4/6-1/6=464-(875-813)=138+656=731-(297-253)=2/7+4/7=69+136=261+477=383+33-322=123-30+62=82×7-130=199×(51-48)=296+94=163+152=549-181+598=1/4+3/4=78-(459-424)=762-17×2=810-(237+382)=10×5+69=354+406-349=194+(139-12)=556×3=490×2=259-217+395=471+115+114=682×(893-890)=274-234=100×6+934=255+(463-135)=580-(107+97)=999+992-89=419-(507-130)=75×9=108×9-435=162-153+410=248×4+728=708-283=993-55-305=5/7-2/7=406+620+363=44+233=365-85=437+20+344=191+53×2=909-511+918=886+362×2=789+315-296=483-(44+255)=175+164+93=230×3=397+(328-289)=460-177-167=973-404-317=106×(258-251)=488-180+192=377+101=62+57×3=626×(182-177)=430-(208+182)=252-(266-94)=69×7-145=528-(474-238)=135×5+997=405-133-161=995-(136+161)=397+802-664=157+18×9=400-(598-321)=839-446+223=183×5-646=453×2=3/6+2/6=476-119×4=141×6=279+397+60=115+655=348-68×5=916-(30+767)=885-746=45+(274-205)=170×3=319-28×4=161+546=900-826-43=2/4-1/4=902-225×2=78×4=383-248+372=396-31=810-119-630=629-411=453-(302-213)=2/7-1/7=194+165-33=606+(826-696)=814-(745-147)=203+16×7=242-100+335=188×5+414=224×3=209-182=66-41+193=819+(369-75)=336-68×3=392-238=939-(572+280)=288+168-70=266-153-17=252+67-114=461-207=375×8-701=335+267+234=909-(580+184)=134+295-173=942-597+676=468+436-705=148+31=979+(789-400)=109×6+641=388-30-162=194+303=51+54×9=878-222×2=16×5+79=159×7=772+855-648=427+441+323=497-150-136=259+(987-695)=193+546+50=407+353=60×3+602=359+(803-621)=314+24×8=456×7-686=623-203×3=886-578=395-94-29=309+(716-269)=282+(381-71)=132×(225-222)=417-16×3=500+(139-104)=463×8=20+441-449=997×9=377-42×7=396+969+91=504-244-106=623-590+135=250×2=601+914+391=304-85+154=667-(320+171)=172×3+904=779-(368+256)=386+109=848-158=748×5=728-41-203=129×(165-159)=684×8=124×(50-45)=1/4+2/4=102×3=89+113×5=299-104=319-(291-262)=409×2=303-150-52=400-357=238-38×5=246+(419-150)=50×9-14=949+12×2=639-309×2=378-(471-423)=293×3-746=177+(325-110)=422-(377-268)=490-317+180=500+871-733=214×5-202=983+787-323=438-143×3=68×7-451=52×(283-278)=869-201=182+(366-309)=336-123-182=414-150×2=702-208+427=602-269×2=465-(58+254)=259×2-302=58×9+122=64-19+48=491-358=258-50=66+(53-37)=897-138×5=147-23-29=591+926-812=324-81+172=298-(205-173)=740-53=233-(90+50)=321×(973-969)=27×6=903-191-573=217+102+615=275×5=76×8+119=23+(907-712)=401-84-172=135-21+371=409-(16+267)=234-(283-151)=725×(402-393)=456-36×4=159-(189-64)=403-137+39=424+497=106+137×4=117+323-266=948×(150-141)=304-118=401-59=127-34×2=473×2-68=132×3=888-(828-780)=195+147-151=218+103+454=7/9+2/9=778-290=994-74=5/8+2/8=277+(887-248)=605×6-951=43+500×2=379+53-175=115×6+19=28-(509-498)=182+273+225=403-57-124=289+327×2=226+457+206=416-(119+187)=783×(512-508)=324×2=124+289-339=250-44×4=522-(79+286)=213+(127-46)=281×7-503=94×4+213=791-(482+53)=636-(961-554)=52×6+109=432-107×3=5/8-2/8=185×(37-33)=304×(911-904)=97×4-220=203+(410-135)=78+(260-202)=627×9=118+(319-268)=219-(428-285)=421-108=180+(432-136)=682-73×4=609-99×5=407×7-900=206+203×2=890-377-324=457×2-881=367-(311-150)=386-35-160=461-318=400×(602-593)=54×7+10=2/6+3/6=566-(937-438)=864×(559-556)=85×(119-112)=447-(174+164)=191×(807-802)=842+523-334=163×3-227=970-136=122+84=156-53+77=622+481+567=673-451+908=13+85+67=469-(455-149)=96+30=114+130=1/5+3/5=349-62-101=210+(718-198)=13×8+194=437-(26+27)=204-181=157+181=831-162×5=418-331=253+135=272+163=648+94+220=86+176=671-(240-158)=491-(211-32)=234-122-94=207×(487-483)=861-52×8=829×3=586×(255-251)=238×(599-594)=392-48×2=418×5=674-(868-436)=36×6=596+174=18+566+233=375-350+193=892+909-901=403-(108-57)=280-25×5=942+(706-406)=57×5-155=471×3-462=584+(195-45)=802-226-213=358+745+72=90×2+228=180×4-539=830-(652-180)=635-67×2=594-28×9=583×(162-154)=358-234+536=171+862=11+94×9=900-284+796=182×4-657=98+448=418-(453-101)=448-25×8=928+(624-306)=176-19-27=724-150=193-(100+78)=360-301+65=878-(95+321)=549+259=765+520-918=354-(298-117)=381-300+355=107×(406-401)=343+(364-116)=397×8=187+282=838-(101+567)=380+77=327+38+838=156+(172-131)=441×2-406=701×6=271-112+132=383×2-207=238-20×2=17+334-330=764-29-536=973-108=615-159×2=208-(43+118)=883-147×4=941×2=812×9-156=777×9-894=207-52=183×2=18+(357-14)=470×2=147×(64-59)=591-55×4=997+439-701=126×(361-358)=341-14×6=738+175+499=86+64×7=91+274=105+(284-246)=643-218+695=843+161+330=133×4+399=101×9+88=964-637+852=90+255=293-38×5=127×(370-365)=322×8=93×7-607=805-117+215=172×4-462=344+473=820-(199-179)=283+217-102=300-69-72=129×4-261=422+(289-76)=805-(34+351)=774-617=190+(440-308)=53+264+194=90-81+377=295+811+330=176+310-122=539+770+752=411+279=84+28×9=943×(250-244)=455-294+86=555×(777-769)=70-(291-275)=271+701=202×2+230=188+69-71=67+422-397=908-(255+400)=596+43+186=583-(144+275)=438-30-375=103+23×5=914+12+622=674-140-300=51+287=673+767-427=41+(702-586)=600-297=429+439+46=603-(40+107)=109×(333-327)=440-421+220=12+(323-201)=617+17×8=72+99×6=166+572=82×(97-93)=412-(372-173)=335×4-879=622+618+895=596-198×2=604+(828-151)=467-24-65=119+373-345=15+117+836=300×5-478=270-108=924-(758-90)=2/10+7/10=27×6+328=751+397-900=575-(784-737)=958-511-431=231+(817-281)=384-34×4=405-393+60=337×2-487=3/6-2/6=466+34-436=451×9-924=808+314-406=302×(17-14)=393+(987-888)=243-106=114×5=84×2=参考答案908×9=8172143+98×2=339934+(662-412)=1184216×2=432289×3=867537-(108+39)=390478-(442+26)=10794+(917-103)=1608614×(202-196)=3684907-18-347=542917+70+524=1511156×5-224=55639+208=247758-153×2=452251×6-595=911118×(340-337)=354807-(165+99)=543647-(416+28)=203624×8=499230×9=270194×3=582373×(972-965)=2611449-(209+133)=107401×(378-372)=2406230-91+361=500404-115+64=353145+29=1746/9-1/9=5/9998-188=810668-307-136=225457-(451-383)=389323-(976-790)=137236+28+430=694520+172+56=74883+(179-118)=144633+565-996=20272+148×4=664963-50-59=854461-29×5=316318-(117+133)=68186-(336-268)=118897+287-799=385138+53×6=456434-(213+188)=332/6-1/6=1/6299×(477-473)=1196102×5-35=475368-(421-303)=250128-(18+77)=33331-(100+167)=64288+276=564772×7-794=4610587-81=506425-(429-71)=67475-236+389=628663-107×5=128357-72×3=141497-35×4=35788×(354-348)=528885-294=591184+275×3=1009994×2=1988461-(23+424)=14767-(622-580)=725180×4-640=80826-490+119=455369+69-403=35254+233=48775×3=225116-(48+45)=233/4-1/4=2/41/5+2/5=3/5376-73-19=284799-341-375=83587-97+527=101727×(304-301)=81200+596-94=702460-(57+78)=32556+400-390=66153-(411-286)=28660-(377-193)=476135+(410-35)=510760+733=1493294+235+447=976994-116-877=1231-68=163137+(277-158)=256209+117-247=79912-28=884146+233=379160+51+584=795491+889+646=2026137+93+74=304305-(126+119)=60261+584+50=895150×7=1050764×6=458411×4+404=448141×(435-428)=987960-110=850695+634-970=359185×3+117=672121+663=784413-(116+90)=207940-181×2=578416-184-218=14496-88-242=166669+952=162187+322+173=5824/7-2/7=2/7333-24×2=285502×7-566=2948901-(184+382)=335442-414+29=57340+129-197=272971-46×6=695191-(73+73)=4593×9=837111+799+197=1107314-(488-477)=303457-44=413479-(43+54)=382464-201=263304-(436-200)=68941+600-698=843478×9-871=343175×6+909=1359880-832+657=705424-326-24=74447-217+143=373568×(444-441)=1704485-282+177=380455-441-13=1283×2-529=37854-63-62=729866-218×3=212165-23=142497-(289-144)=352463-40×9=103275×3-180=645785-(797-772)=760111×3=333383×4-566=966932-859+246=319735+262-767=230794-(229+502)=63137×2=27495+26=121241-76+323=488112×7-56=728383+64×2=511452-(382-153)=223228+175+486=889264+(490-23)=731376+250+359=9856/10+3/10=9/10365-291=74110×3-121=209758-(884-380)=254260-(463-381)=178659-(371-316)=604845×7=5915889×8-114=6998651+793=1444918×5=4590120+23+342=485107×(471-465)=64243+289-109=223395-(134+76)=185371-(195-192)=368424+(358-259)=523585-(512-314)=387315-98-72=145151+50-199=2427+49-304=172625+480-168=93745×(360-355)=225633+357+374=1364536+348=884832-248-157=427849-27×9=606297+30×2=357118×7-522=304106-103+416=419164+163+165=492163+56-145=74468+(364-92)=740993-(762-497)=728520×(116-111)=2600871-696=17560×9+251=791179×2-166=192863+123+794=1780374+(427-302)=499733+100×7=1433872+32+342=1246355-(226+106)=23384+222+141=74798×8+27=811530-74-316=140408+279×3=1245374-102=272478-89-314=7535+654+697=13866/8-1/8=5/848×5=240183×(227-221)=1098624-354+470=740458-107+786=1137861+136-286=711239-(182-83)=140210-19×3=153828×5-587=3553531+39×9=882327×(136-133)=981288+(380-33)=635994+(796-62)=1728702-342+145=505784+(781-236)=1329380-50×6=80980×(740-733)=6860890-528+462=82467×4+860=112879+331+29=439226×4=90441×2+81=163131+292+164=587383×3=114929×(83-75)=232786-(110+46)=630336-71+134=399340-242=98255-123=132188+(285-12)=461307×2-442=172418-19-50=349270-60+368=578549+(853-253)=1149318-(191+93)=34985-577-271=137232-(154-92)=17034×7=238302-16+133=419301-49×2=20370×(367-360)=490949×(45-37)=7592288-68-180=40615-(27+437)=151816+245-160=901114×8-420=492276+(849-604)=521209+(957-344)=82270×5=350139×4+410=96631+309+523=863258+193-387=64194×(293-290)=582601×8-131=4677896-47=849767-140-74=553462-108×2=246263×(45-42)=789501-(37+19)=445977-459+208=72662×(272-263)=558603-(71+203)=329444-(149+106)=189197+111-151=157419+535=95479+38=117838-260=578898-88-213=5971/8+6/8=7/8457+796+797=205030+211+556=797317+145-211=25197×(326-321)=48570×3=210461-98-73=290452+(982-557)=877122×8=976967+532-973=526431-(18+333)=80277×2-89=46544+(200-132)=112879-500=379494-50×9=44171+257+338=766262×3-674=112366+572-522=416657-(48+399)=210809+634-141=1302515+335=850156+127=283742+485-516=7118/9-1/9=7/9259×4-903=133542-135+362=76987×(179-175)=348200+145=345209-207+426=428421+183=604198-(351-294)=141317+(989-790)=516811×6=486680-49-20=11898+391+83=1372998-89-317=592471-168-79=224483-23-312=148412-(469-117)=60455-112=343783-513=27068×(152-145)=47649+198=247506×9=4554148-(535-520)=133419-(93+113)=213990+165×4=1650484-480+453=457327+70=397233×7-385=1246280×2-515=45439-256-151=32188×(424-419)=940313-(361-154)=106279-(274-64)=69298-186-104=8239-(86+124)=29155+95=250261+111+496=868571+228=799730-338-22=370169+301=470319-51×6=13283+150-114=319562+839+801=2202490-70×4=210341-258=83867+188×5=1807483-110×4=43333-17=316442+(419-355)=506646×7-952=3570497-(429+56)=12288-190+281=379249-36×2=177340-85+132=387967-101+994=186091×7+982=1619768-580=188384+324+195=90362×(289-281)=496611×6-831=2835194-46×3=56870×(41-38)=2610563×7-214=3727444-320=12431×9=279309+239+443=991868×(221-218)=2604534-470=6435×9=315163+(402-165)=400632-(85+266)=28170+21=91122+273-167=228755×4=3020856-91×4=492434+(378-374)=438887-396-281=21089-27=62228+189=417451-299=152831-(212+39)=580348+94=442136×(145-139)=816336-313-16=713+477-10=480416-79=337327-24×6=183994-(565+225)=204382+93=4754/6-1/6=3/6464-(875-813)=402138+656=794731-(297-253)=6872/7+4/7=6/769+136=205261+477=738383+33-322=94123-30+62=15582×7-130=444199×(51-48)=597296+94=390163+152=315549-181+598=9661/4+3/4=178-(459-424)=43762-17×2=728810-(237+382)=19110×5+69=119354+406-349=411194+(139-12)=321556×3=1668490×2=980259-217+395=437471+115+114=700682×(893-890)=2046274-234=40100×6+934=1534255+(463-135)=583580-(107+97)=376999+992-89=1902419-(507-130)=4275×9=675108×9-435=537162-153+410=419248×4+728=1720708-283=425993-55-305=6335/7-2/7=3/7406+620+363=138944+233=277365-85=280437+20+344=801191+53×2=297909-511+918=1316886+362×2=1610789+315-296=808483-(44+255)=184175+164+93=432230×3=690397+(328-289)=436460-177-167=116973-404-317=252106×(258-251)=742488-180+192=500377+101=47862+57×3=233626×(182-177)=3130430-(208+182)=40252-(266-94)=8069×7-145=338528-(474-238)=292135×5+997=1672405-133-161=111995-(136+161)=698397+802-664=535157+18×9=319400-(598-321)=123839-446+223=616183×5-646=269453×2=9063/6+2/6=5/6476-119×4=0141×6=846279+397+60=736115+655=770348-68×5=8916-(30+767)=119885-746=13945+(274-205)=114170×3=510319-28×4=207161+546=707900-826-43=312/4-1/4=1/4902-225×2=45278×4=312383-248+372=507396-31=365810-119-630=61629-411=218453-(302-213)=3642/7-1/7=1/7194+165-33=326606+(826-696)=736814-(745-147)=216203+16×7=315242-100+335=477188×5+414=1354224×3=672209-182=2766-41+193=218819+(369-75)=1113336-68×3=132392-238=154939-(572+280)=87288+168-70=386266-153-17=96252+67-114=205461-207=254375×8-701=2299335+267+234=836909-(580+184)=145134+295-173=256942-597+676=1021468+436-705=199148+31=179979+(789-400)=1368109×6+641=1295388-30-162=196194+303=49751+54×9=537878-222×2=43416×5+79=159159×7=1113772+855-648=979427+441+323=1191497-150-136=211259+(987-695)=551193+546+50=789407+353=76060×3+602=782359+(803-621)=541314+24×8=506456×7-686=2506623-203×3=14886-578=308395-94-29=272309+(716-269)=756282+(381-71)=592132×(225-222)=396417-16×3=369500+(139-104)=535463×8=370420+441-449=12997×9=8973377-42×7=83396+969+91=1456504-244-106=154623-590+135=168250×2=500601+914+391=1906304-85+154=373667-(320+171)=176172×3+904=1420779-(368+256)=155386+109=495848-158=690748×5=3740728-41-203=484129×(165-159)=774684×8=5472124×(50-45)=6201/4+2/4=3/4102×3=30689+113×5=654299-104=195319-(291-262)=290409×2=818303-150-52=101400-357=43238-38×5=48246+(419-150)=51550×9-14=436949+12×2=973639-309×2=21378-(471-423)=330293×3-746=133177+(325-110)=392422-(377-268)=313490-317+180=353500+871-733=638214×5-202=868983+787-323=1447438-143×3=968×7-451=2552×(283-278)=260869-201=668182+(366-309)=239336-123-182=31414-150×2=114702-208+427=921602-269×2=64465-(58+254)=153259×2-302=21658×9+122=64464-19+48=93491-358=133258-50=20866+(53-37)=82897-138×5=207147-23-29=95591+926-812=705324-81+172=415298-(205-173)=266740-53=687233-(90+50)=93321×(973-969)=128427×6=162903-191-573=139217+102+615=934275×5=137576×8+119=72723+(907-712)=218401-84-172=145135-21+371=485409-(16+267)=126234-(283-151)=102725×(402-393)=6525456-36×4=312159-(189-64)=34403-137+39=305424+497=921106+137×4=654117+323-266=174948×(150-141)=8532304-118=186401-59=342127-34×2=59473×2-68=878132×3=396888-(828-780)=840195+147-151=191218+103+454=7757/9+2/9=1778-290=488994-74=9205/8+2/8=7/8277+(887-248)=916605×6-951=267943+500×2=1043379+53-175=257115×6+19=70928-(509-498)=17182+273+225=680403-57-124=222289+327×2=943226+457+206=889416-(119+187)=110783×(512-508)=3132324×2=648124+289-339=74250-44×4=74522-(79+286)=157213+(127-46)=294281×7-503=146494×4+213=589791-(482+53)=256636-(961-554)=22952×6+109=421432-107×3=1115/8-2/8=3/8185×(37-33)=740304×(911-904)=212897×4-220=168203+(410-135)=47878+(260-202)=136627×9=5643118+(319-268)=169219-(428-285)=76421-108=313180+(432-136)=476682-73×4=390609-99×5=114407×7-900=1949206+203×2=612890-377-324=189457×2-881=33367-(311-150)=206386-35-160=191461-318=143400×(602-593)=360054×7+10=3882/6+3/6=5/6566-(937-438)=67864×(559-556)=259285×(119-112)=595447-(174+164)=109191×(807-802)=955842+523-334=1031163×3-227=262970-136=834122+84=206156-53+77=180622+481+567=1670673-451+908=113013+85+67=165469-(455-149)=16396+30=126114+130=2441/5+3/5=4/5349-62-101=186210+(718-198)=73013×8+194=298437-(26+27)=384204-181=23157+181=338831-162×5=21418-331=87253+135=388272+163=435648+94+220=96286+176=262671-(240-158)=589491-(211-32)=312234-122-94=18207×(487-483)=828861-52×8=445829×3=2487586×(255-251)=2344238×(599-594)=1190392-48×2=296418×5=2090674-(868-436)=24236×6=216596+174=77018+566+233=817375-350+193=218892+909-901=90040