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256×2+658=371-60-40=608+170+12=180+57=338×2-162=198-(122+31)=338×2=166+141=702-148+975=879×7-186=492+(332-143)=851-571-240=4/9-2/9=721-39×5=98-30×2=427-(302-70)=67×(335-332)=339×2=196-16×6=894+(642-582)=429+810-440=30+16+325=348×9-809=442+(445-341)=368-(196+135)=428-18=33+73+208=67×(357-354)=283-(26+226)=462-(361+58)=333+858+227=435-79×4=87×3-226=387-60×2=290×2=801-(988-491)=546+745-15=433+31-421=420+(175-107)=908-621-230=244-37×3=702-(243+28)=309×9=584-348=299-(109+106)=57+30+900=298+117+90=250-(118+108)=2/8+3/8=530-45-63=99+718-189=15+505+429=138-(177-161)=304-225-38=490-(147+126)=238×4=75+(363-293)=553+809-799=680-567+955=667+612-729=399-357+326=922-411×2=484-202-129=417×6=706+183=103+432×2=89+(762-26)=4/8+2/8=951-246×2=298×4-195=31×5-91=967-857+551=817-460+866=548-446+135=405+231-224=273-20×6=165+813+15=430+150×3=180×(159-156)=419+(335-92)=214+155=978+196+435=58×8=44×(293-286)=481-82-80=22+438-142=346-23×6=152×7-41=673-(535+130)=63×8+548=979-(246+614)=424-(122+276)=122+225-274=565-388+854=101×7-89=181×(263-259)=19×3=480-62×2=860-(227+183)=104×(321-316)=394-75-278=359×(751-743)=962+(523-209)=388-(96+244)=456-(296-135)=435+696+398=54×7=104×5+194=4/8-1/8=639+846+777=820×2-670=552+(372-287)=100+356+320=285×3=424-(173+148)=689-125×3=304×7=736-(746-528)=223×(325-322)=703+289=402-62=196+(488-99)=82×(254-250)=302-175=473+815+593=403-67-290=988-209-762=886+603=53+39×3=7/10-2/10=288-100=650×9-900=790-128×6=350-272=90×3=860-100-84=351+251×2=609-140+563=320-50×2=379×(787-782)=87×4+38=207×3+126=571-(480-39)=54×(94-86)=520×5=98×8-375=16×(159-155)=305×2+156=364-299+381=436-134+24=96×8-709=1/6+5/6=355-103×3=439-(717-515)=379-99+61=762+(329-145)=479×2-74=28+272-220=561-(530-192)=2/5-1/5=377+115+394=273+85=412+618-551=268×(41-38)=308×3+305=1/4+2/4=999-123-293=581+(620-377)=429+76=507×(930-923)=306+151×4=258+291+80=96+322-341=598×9=372-40×5=121×6=797+972=369-281-66=2/3-1/3=785-(73+631)=275+184-275=295-165+346=74×6-219=204×2=963-140×3=161×3=239-(47+146)=492-(338-23)=895-656=218+113=401-108×3=492+(457-204)=469-91-275=369-(405-321)=140+278×2=380+108=537-11-296=430+62-255=914+64+239=401-(105-100)=991-(946-380)=722+166-324=165-121+155=231+932-889=480-114-191=711×3-961=644-252=44×6=69+(439-357)=408-(478-288)=217+(251-182)=132×3+218=490×2-797=464-(373-244)=273+167=697+279=465-208-130=809-576+845=239+330=283+274+325=899+349×2=469-288=846-(319+417)=496-(348+137)=64×3=479-38=206+193-142=94+(793-247)=98+401=557×(426-417)=232-11=371-194+62=448+544+802=884-239-66=457-277-120=347-181=197×(212-207)=846-716=239×2+65=889-379-96=348+88=624-25×8=900-(566+176)=522+715+794=997-259=920-443×2=438-244+64=342-(464-298)=758+587+349=299-(131+20)=148+84=463×2+992=873-191×3=443+26×8=199×2=846-(504-148)=977+700-610=46×7+435=200×4-132=274-(50+36)=969-(897+19)=213+218×3=437-321=308-273+60=57-(89-56)=566+676-116=579+587=866-32×6=430-194=847-(714-316)=998-714+925=274+109-196=3/5-1/5=704+70+218=770×6-981=450-183=440-75=72+(495-261)=981×(958-951)=177+105=439-(35+402)=586×4-788=25×(282-273)=545×(854-846)=395+100=51×(286-283)=101+105×8=347+(341-76)=453-(863-644)=830-46×3=706-690+441=979-49×4=234×7=877×9=236×2=228+218-96=496+45+224=940×(460-457)=86×5-310=242+945=39×2+389=4/8+3/8=251×2-200=238+32-101=91+18=946×(780-776)=421-(465-77)=388-111+131=916-(149+180)=805-(723-677)=113×7-474=245×3=503-128=514+101+315=340+(263-257)=94+249-317=201+(118-94)=749+85-832=168+(802-581)=974-(42+155)=101×9=468-363+89=172+404=870-279+406=184-144+858=386+(567-189)=956+542-784=694-72×3=1/5+3/5=3/7-1/7=352×7=912-676+108=125×(233-225)=937-(688+225)=364-47×4=13+128-16=129+(497-266)=150-30×2=927-728=107-86=789-554=871-114-59=226-(722-619)=542+474+135=645-(497-221)=518×8-432=165×6-474=302-173=675-622=225+85×5=368-59=487+(731-591)=128×3+454=66×6=89×3-12=279+219=3/7+2/7=412+52×5=314-(142+170)=223-15-66=271-15×6=278-13×4=531+227=71+186=123+484=45+147=149-35+801=763-384+965=293-69-94=618+(988-560)=417+(362-94)=833×(60-51)=259+(820-552)=665×5=541-153=660-394+168=950-90=146+293=407+77=890-669=180-(157-137)=172-(316-267)=514+120+121=693-(794-348)=783×8=688-(901-633)=997-153=282+177=296+195-453=216-70=409-110+29=108×4+361=400-13+997=492+303+53=387-13-60=899-159=183×2+242=677×4=263+(223-199)=150+23+265=2/7-1/7=284×2-241=741+152-684=284+88×4=888-(372+52)=267+168-22=24+725+42=73×5+97=339-257=104×8-677=138×(754-750)=300×4-885=673+662-252=69×5-46=104×2=226-205=611+167+42=1/5+4/5=353+136-409=942-293-259=498-486=6/9-3/9=117×(203-200)=55×7+12=535×9=122-14×7=810×9=443-311=216-212+296=389-(311+18)=357-(157+140)=38×9+123=445-262=400-43×3=863-680-14=389×(80-74)=136×6+735=332×2-468=442-(106+268)=3/6-2/6=823-787=235-21=983-855+548=416+36×3=826+464-891=601+(994-538)=466-(25+215)=272-(401-268)=298-119×2=804×4=622-(41+341)=410-(236-51)=252+(437-204)=976-(53+578)=816+41-807=575×4-785=264×2=659-(458+51)=110+258-120=435+52-321=119×6=496-124=441-280=258×2+890=192×(167-163)=168+(488-384)=696-(78+480)=196-150=438+(660-473)=294-(26+203)=16+196+971=462-52-396=271-81-160=139×6-709=227+94-271=230+545+34=47-(453-414)=831+412-535=305+(327-197)=349+104-292=881+407-974=47+376-129=155+293×3=5/10+2/10=541-47=612-(854-717)=451-262+307=929×(658-651)=866+630+796=837×9=85+113×2=734-61×3=46×(239-230)=498+63×9=19×(371-367)=182+(369-168)=84×2=85+392=99×6=122+507=325×3+615=683-144×3=281-254+137=81+134=234-13×5=29×(208-199)=899-(946-234)=290-(13+64)=92+(488-472)=841-746+204=225-10×6=167×3=183×3-56=58×3+136=61-16+699=301+59×9=297×3+793=1/8+7/8=160+74=494-394-33=330-(415-254)=687×(98-92)=385+347+202=228-20+128=472-94×2=676-(230+281)=400×6=319-131-152=422-(232-175)=774-327-292=64×(478-472)=106×4-67=899-(218+467)=330-164×2=802-(216+458)=929-779=384+203=399×2=418-84+42=366-179+105=451-(107+139)=901×6-527=238+140=407-(193+61)=133×(220-214)=945-(727-460)=134+(488-267)=496×2-900=351-214+90=41+177+33=414+456-117=180+86=288+203=313-166-114=190×(435-432)=841-162-539=974-245×2=666×4=119×5+253=568-(55+119)=492-149-69=197×(351-347)=109×5-300=849-(467-359)=488-52-104=428-89×4=937×7=322+128-111=70-(360-354)=551-31×9=155-(195-158)=825×9=46+264+888=318-150×2=13+67+896=225+201=668-15×7=210+190=313×5-300=850-189×2=799-571+262=255-215-38=380-(77+281)=789-317-242=815-343-387=496-281=118×5-481=180+(671-63)=53×(330-324)=276×7-80=643×(18-10)=436+405=370+526+749=157+128=376-163-167=160×4-598=66-13=352-337+180=4/5-1/5=983-109-26=806-132=258-55-69=45+267+899=625+170+173=424+133+346=29×(934-931)=396-209+623=202+87-266=671-(186+188)=933+351+41=329+255×2=211+162+321=80×9-24=271-175=502+(639-173)=148+246+88=480-(476-268)=225-19+51=150×(480-472)=461-87+119=711×(693-688)=537+516-768=58+61=857-12×5=591×6-860=18×(901-894)=353-(491-449)=395-311+381=159+658-584=984-312-561=308-25-224=300+731+342=95+405-112=140×(726-723)=997-138-237=91×9-278=410-47=90×(426-421)=220×2-45=267-15+230=43×9=917+703=287-(495-287)=882×5-174=745-70-632=263+120=194+245+296=704×(867-858)=942-35=120+165=163+254×2=306-41-206=642-171×2=455-124×2=344-176=89×7+861=426-18×7=393+(302-58)=124+195+366=427-49-297=29×(101-93)=819+409+630=220+(349-208)=275×(761-758)=834-64=247-184+405=332-296+439=865-317+922=772-274-260=739×4=354-148+35=453+(298-102)=859-119+94=473+812+870=250-(222-111)=463-107×2=358-151-84=628-230-41=931+891=51×9=708-174=619+(635-214)=930+(870-25)=645×9-461=406-65×3=892+41×8=388×2-161=173×2=225+249=245+(630-448)=228+440=130×6-355=77+830-311=479-145×3=97+256=514-218-65=874-(961-907)=198×4-753=138+326-241=290+116-115=943-(854-120)=349+346=322-(390-117)=357-(288-182)=327-21=981+377-831=216-144+102=92+236=105×(89-81)=824+(796-548)=103×(134-128)=797+339×2=35×8=217-30-135=72×5=958+182×2=240×(208-205)=187-13+86=977-206-711=292-(177-53)=113×8=5/9+4/9=330-(774-629)=46×6+146=350-38×5=336+(376-247)=853+631-951=983-(919-411)=785+24×5=124+189=68+145×2=527×4-20=762-526=324+17-338=2/6+3/6=474-376+300=675-(260+250)=210×(883-874)=333+(475-357)=180×(23-18)=792+(957-740)=369-70×3=75×9=248-(444-259)=763×2=460-55×6=103+(67-35)=94×7+748=461-(124+315)=555+947=164×(455-451)=327+102×6=181×5=273-23=686-(332+124)=229+978-570=873-177=190+298=317-15-200=581+(984-704)=965-182-213=181+(409-274)=395-279+288=62×7-42=451-(436-149)=117+166+587=349+398+135=578×(245-242)=271+62-105=685-(539-326)=693-160-360=536×7=673+218+52=369+140×3=25×6+10=534-(111+334)=936+(263-87)=341-324+271=205+17-181=67+(67-12)=526+573+809=476-(238+163)=414-191×2=765+346=384×(535-529)=281+(392-19)=184-84-97=484+(759-633)=901+266×2=978-346+112=440-(185+176)=555-(537-373)=883-388+344=197-(121+28)=581-72×4=275×2+175=797×5-392=56+298+162=253-234=693-(363+229)=424+908-406=603+576+350=668+(454-244)=376+(112-73)=147×(456-453)=633×9-795=322×3-692=39+64×5=202+399+23=808-(136+344)=371-(32+246)=893×9-70=130+205-20=760×(506-501)=847-(866-141)=351-(308-52)=267-(272-52)=63-51+347=477×5-607=89+389-47=166-(46+36)=342+(573-343)=75+76×2=886-838=53×9=307×2+170=112-22×2=190×8=87-35+74=329+113=844-(688-687)=3/7-2/7=372+347+37=685×(601-592)=581×5-793=66+141+610=215-32×5=343+17-268=333-85-49=732×3-628=132+80+397=289+813+728=673-(994-916)=842+193+733=377+(158-140)=262-212=451-(118+213)=176+237-375=495-(249+96)=355-(221-100)=363+119=141+(894-58)=413×4-361=90×(302-295)=998×5=727-318×2=156-(224-221)=395-131=87×6=860-95-572=435-85-68=380-(193+30)=523-43×8=122+163=参考答案256×2+658=1170371-60-40=271608+170+12=790180+57=237338×2-162=514198-(122+31)=45338×2=676166+141=307702-148+975=1529879×7-186=5967492+(332-143)=681851-571-240=404/9-2/9=2/9721-39×5=52698-30×2=38427-(302-70)=19567×(335-332)=201339×2=678196-16×6=100894+(642-582)=954429+810-440=79930+16+325=371348×9-809=2323442+(445-341)=546368-(196+135)=37428-18=41033+73+208=31467×(357-354)=201283-(26+226)=31462-(361+58)=43333+858+227=1418435-79×4=11987×3-226=35387-60×2=267290×2=580801-(988-491)=304546+745-15=1276433+31-421=43420+(175-107)=488908-621-230=57244-37×3=133702-(243+28)=431309×9=2781584-348=236299-(109+106)=8457+30+900=987298+117+90=505250-(118+108)=242/8+3/8=5/8530-45-63=42299+718-189=62815+505+429=949138-(177-161)=122304-225-38=41490-(147+126)=217238×4=95275+(363-293)=145553+809-799=563680-567+955=1068667+612-729=550399-357+326=368922-411×2=100484-202-129=153417×6=2502706+183=889103+432×2=96789+(762-26)=8254/8+2/8=6/8951-246×2=459298×4-195=99731×5-91=64967-857+551=661817-460+866=1223548-446+135=237405+231-224=412273-20×6=153165+813+15=993430+150×3=880180×(159-156)=540419+(335-92)=662214+155=369978+196+435=160958×8=46444×(293-286)=308481-82-80=31922+438-142=318346-23×6=208152×7-41=1023673-(535+130)=863×8+548=1052979-(246+614)=119424-(122+276)=26122+225-274=73565-388+854=1031101×7-89=618181×(263-259)=72419×3=57480-62×2=356860-(227+183)=450104×(321-316)=520394-75-278=41359×(751-743)=2872962+(523-209)=1276388-(96+244)=48456-(296-135)=295435+696+398=152954×7=378104×5+194=7144/8-1/8=3/8639+846+777=2262820×2-670=970552+(372-287)=637100+356+320=776285×3=855424-(173+148)=103689-125×3=314304×7=2128736-(746-528)=518223×(325-322)=669703+289=992402-62=340196+(488-99)=58582×(254-250)=328302-175=127473+815+593=1881403-67-290=46988-209-762=17886+603=148953+39×3=1707/10-2/10=5/10288-100=188650×9-900=4950790-128×6=22350-272=7890×3=270860-100-84=676351+251×2=853609-140+563=1032320-50×2=220379×(787-782)=189587×4+38=386207×3+126=747571-(480-39)=13054×(94-86)=432520×5=260098×8-375=40916×(159-155)=64305×2+156=766364-299+381=446436-134+24=32696×8-709=591/6+5/6=1355-103×3=46439-(717-515)=237379-99+61=341762+(329-145)=946479×2-74=88428+272-220=80561-(530-192)=2232/5-1/5=1/5377+115+394=886273+85=358412+618-551=479268×(41-38)=804308×3+305=12291/4+2/4=3/4999-123-293=583581+(620-377)=824429+76=505507×(930-923)=3549306+151×4=910258+291+80=62996+322-341=77598×9=5382372-40×5=172121×6=726797+972=1769369-281-66=222/3-1/3=1/3785-(73+631)=81275+184-275=184295-165+346=47674×6-219=225204×2=408963-140×3=543161×3=483239-(47+146)=46492-(338-23)=177895-656=239218+113=331401-108×3=77492+(457-204)=745469-91-275=103369-(405-321)=285140+278×2=696380+108=488537-11-296=230430+62-255=237914+64+239=1217401-(105-100)=396991-(946-380)=425722+166-324=564165-121+155=199231+932-889=274480-114-191=175711×3-961=1172644-252=39244×6=26469+(439-357)=151408-(478-288)=218217+(251-182)=286132×3+218=614490×2-797=183464-(373-244)=335273+167=440697+279=976465-208-130=127809-576+845=1078239+330=569283+274+325=882899+349×2=1597469-288=181846-(319+417)=110496-(348+137)=1164×3=192479-38=441206+193-142=25794+(793-247)=64098+401=499557×(426-417)=5013232-11=221371-194+62=239448+544+802=1794884-239-66=579457-277-120=60347-181=166197×(212-207)=985846-716=130239×2+65=543889-379-96=414348+88=436624-25×8=424900-(566+176)=158522+715+794=2031997-259=738920-443×2=34438-244+64=258342-(464-298)=176758+587+349=1694299-(131+20)=148148+84=232463×2+992=1918873-191×3=300443+26×8=651199×2=398846-(504-148)=490977+700-610=106746×7+435=757200×4-132=668274-(50+36)=188969-(897+19)=53213+218×3=867437-321=116308-273+60=9557-(89-56)=24566+676-116=1126579+587=1166866-32×6=674430-194=236847-(714-316)=449998-714+925=1209274+109-196=1873/5-1/5=2/5704+70+218=992770×6-981=3639450-183=267440-75=36572+(495-261)=306981×(958-951)=6867177+105=282439-(35+402)=2586×4-788=155625×(282-273)=225545×(854-846)=4360395+100=49551×(286-283)=153101+105×8=941347+(341-76)=612453-(863-644)=234830-46×3=692706-690+441=457979-49×4=783234×7=1638877×9=7893236×2=472228+218-96=350496+45+224=765940×(460-457)=282086×5-310=120242+945=118739×2+389=4674/8+3/8=7/8251×2-200=302238+32-101=16991+18=109946×(780-776)=3784421-(465-77)=33388-111+131=408916-(149+180)=587805-(723-677)=759113×7-474=317245×3=735503-128=375514+101+315=930340+(263-257)=34694+249-317=26201+(118-94)=225749+85-832=2168+(802-581)=389974-(42+155)=777101×9=909468-363+89=194172+404=576870-279+406=997184-144+858=898386+(567-189)=764956+542-784=714694-72×3=4781/5+3/5=4/53/7-1/7=2/7352×7=2464912-676+108=344125×(233-225)=1000937-(688+225)=24364-47×4=17613+128-16=125129+(497-266)=360150-30×2=90927-728=199107-86=21789-554=235871-114-59=698226-(722-619)=123542+474+135=1151645-(497-221)=369518×8-432=3712165×6-474=516302-173=129675-622=53225+85×5=650368-59=309487+(731-591)=627128×3+454=83866×6=39689×3-12=255279+219=4983/7+2/7=5/7412+52×5=672314-(142+170)=2223-15-66=142271-15×6=181278-13×4=226531+227=75871+186=257123+484=60745+147=192149-35+801=915763-384+965=1344293-69-94=130618+(988-560)=1046417+(362-94)=685833×(60-51)=7497259+(820-552)=527665×5=3325541-153=388660-394+168=434950-90=860146+293=439407+77=484890-669=221180-(157-137)=160172-(316-267)=123514+120+121=755693-(794-348)=247783×8=6264688-(901-633)=420997-153=844282+177=459296+195-453=38216-70=146409-110+29=328108×4+361=793400-13+997=1384492+303+53=848387-13-60=314899-159=740183×2+242=608677×4=2708263+(223-199)=287150+23+265=4382/7-1/7=1/7284×2-241=327741+152-684=209284+88×4=636888-(372+52)=464267+168-22=41324+725+42=79173×5+97=462339-257=82104×8-677=155138×(754-750)=552300×4-885=315673+662-252=108369×5-46=299104×2=208226-205=21611+167+42=8201/5+4/5=1353+136-409=80942-293-259=390498-486=126/9-3/9=3/9117×(203-200)=35155×7+12=397535×9=4815122-14×7=24810×9=7290443-311=132216-212+296=300389-(311+18)=60357-(157+140)=6038×9+123=465445-262=183400-43×3=271863-680-14=169389×(80-74)=2334136×6+735=1551332×2-468=196442-(106+268)=683/6-2/6=1/6823-787=36235-21=214983-855+548=676416+36×3=524826+464-891=399601+(994-538)=1057466-(25+215)=226272-(401-268)=139298-119×2=60804×4=3216622-(41+341)=240410-(236-51)=225252+(437-204)=485976-(53+578)=345816+41-807=50575×4-785=1515264×2=528659-(458+51)=150110+258-120=248435+52-321=166119×6=714496-124=372441-280=161258×2+890=1406192×(167-163)=768168+(488-384)=272696-(78+480)=138196-150=46438+(660-473)=625294-(26+203)=6516+196+971=1183462-52-396=14271-81-160=30139×6-709=125227+94-271=50230+545+34=80947-(453-414)=8831+412-535=708305+(327-197)=435349+104-292=161881+407-974=31447+376-129=294155+293×3=10345/10+2/10=7/10541-47=494612-(854-717)=475451-262+307=496929×(658-651)=6503866+630+796=2292837×9=753385+113×2=311734-61×3=55146×(239-230)=414498+63×9=106519×(371-367)=76182+(369-168)=38384×2=16885+392=47799×6=594122+507=629325×3+615=1590683-144×3=251281-254+137=16481+134=215234-13×5=16929×(208-199)=261899-(946-234)=187290-(13+64)=21392+(488-472)=108841-746+204=299225-10×6=165167×3=501183×3-56=49358×3+136=31061-16+699=744301+59×9=832297×3+793=16841/8+7/8=1160+74=234494-394-33=67330-(415-254)=169687×(98-92)=4122385+347+202=934228-20+128=336472-94×2=284676-(230+281)=165400×6=2400319-131-152=36422-(232-175)=365774-327-292=15564×(478-472)=384106×4-67=357899-(218+467)=214330-164×2=2802-(216+458)=128929-779=150384+203=587399×2=798418-84+42=376366-179+105=292451-(107+139)=205901×6-527=4879238+140=378407-(193+61)=153133×(220-214)=798945-(727-460)=678134+(488-267)=355496×2-900=92351-214+90=22741+177+33=251414+456-117=753180+86=266288+203=491313-166-114=33190×(435-432)=570841-162-539=140974-245×2=484666×4=2664119×5+253=848568-(55+119)=394492-149-69=274197×(351-347)=788109×5-300=245849-(467-359)=741488-52-104=332428-89×4=72937×7=6559322+128-111=33970-(360-354)=64551-31×9=272155-(195-158)=118825×9=742546+264+888=1198318-150×2=1813+67+896=976225+201=426668-15×7=563210+190=400313×5-300=1265850-189×2=472799-571+262=490255-215-38=2380-(77+281)=22789-317-242=230815-343-387=85496-281=215118×5-481=109180+(671-63)=78853×(330-324)=318276×7-80=1852643×(18-10)=5144436+405=841370+526+749=1645157+128=285376-163-167=46160×4-598=4266-13=53352-337+180=1954/5-1/5=3/5983-109-26=848806-132=674258-55-69=13445+267+899=1211625+170+173=968424+133+346=90329×(934-931)=87396-209+623=810202+87-266=23671-(186+188)=297933+351+41=1325329+255×2=839211+162+321=69480×9-24=696271-175=96502+(639-173)=968148+246+88=482480-(476-268)=272225-19+51=257150×(480-472)=1200461-87+119=493711×(693-688)=3555537+516-768=28558+61=119857-12×5=797591×6-860=268618×(901-894)=126353-(491-449)=311395-311+381=465159+658-584=233984-312-561=111308-25-224=59300+731+342=137395+405-112=388140×(726-723)=420997-138-237=62291×9-278=541410-47=36390×(426-421)=450220×2-45=395267-15+230=48243×9=387917+703=1620287-(495-287)=79882×5-174=4236745-70-632=43263+120=383194+245+296=735704×(867-858)=6336942-35=907120+165=285163+254×2=671306-41-206=59642-171×2=300455-124×2=207344-176=16889×7+861=1484426-18×7=300393+(302-58)=637124+195+366=685427-49-297=8129×(101-93)=232819+409+630=1858220+(349-208)=361275×(761-758)=825834-64=770247-184+405=468332-296+439=475865-317+922=1470772-274-260=238739×4=2956354-148+35=241453+(298-102)=649859-119+94=834473+812+870=2155250-(222-111)=139463-107×2=249358-151-84=123628-230-41=357931+891=182251×9=459708-174=534619+(635-214)=1040930+(870-25)=1775645×9-461=5344406-65×3=211892+41×8=1220388×2-161=615173×2=346225+249=474245+(630-448)=427228+440=668130×6-355=42577+830-311=596479-145×3=4497+256=353514-218-65=231874-(961-907)=820198×4-753=39138+326-241=223290+116-115=291943-(854-120)=209349+346=695322-(390-117)=49357-(288-182)=251327-21=306981+377-831=527216-144+102=17492+236=328105×(89-81)=840824+(796-548)=1072103×(134-128)=618797+339×2=147535×8=280217-30-13