三年級數(shù)學(上)計算題專項練習附答案集錦

三年級數(shù)學(上)計算題專項練習附答案集錦533+693-395=340+90+570=963-329-501=174+217+435=235-(382-320)=418+23×8=609-(10+44)=268-187-21=147-(41-10)=394+(955-298)=205-19×7=385-11×7=831-23-151=615-(661-72)=323-16+43=569×(460-452)=508×4=68×(398-393)=48+(477-443)=219+76×4=803-473=437×9=864×4=658×(608-602)=48+192=224+74=176+299=299-(206+26)=152×2+332=138+98+573=379×8=263+412=187×5-757=762-417=197+720+576=488-(418-396)=475-(270+142)=130-87+382=818×6-325=414-220=201-(334-285)=444-74-44=936-(228+298)=246-(192+13)=746-(10+603)=289+320×2=458-424+176=722-37=679+127-461=522×2=407-181+273=262+(330-262)=602+(900-11)=569-158×3=181×(656-647)=411+615+501=463-(429-83)=471+48×7=320×7=94×5=141+226-31=124+32=79×(55-50)=218+187-179=629+(508-171)=800-(845-449)=358×4-961=548-197×2=185+106×4=216-57+983=136+36=334-(333-236)=212×(130-127)=459-(387+30)=126×(73-69)=969-660+546=665-(495+158)=417-297=672+829-464=755×3-821=408+74=138-(344-217)=119×(373-370)=468-258-14=499-176-219=10×6=335-(290-64)=297×2-97=377-158+648=144-111=946×(701-693)=820+479-866=443×2-229=31×(419-410)=6/9-1/9=43-39+437=584+146=147+29×4=57×(469-460)=403+308=507×6-966=47+724+137=407+150+141=666-395-250=276+72-90=261+87=340+177+418=174-77=632-203×3=7/10-2/10=964×(502-497)=773-(481+22)=453+(448-269)=675-284×2=406×2-552=83+(956-207)=577+99×7=540-107-101=128×(798-795)=307-(283+12)=50+339+278=26×4=80+373=74+257-164=289+(669-353)=629+(855-843)=60×2+395=504-(528-291)=987-876-23=178×2+340=492-140×3=71×(478-474)=80+28=394-22=386-64=527-27×5=442×(163-158)=813-(500+90)=99+374-369=873-674=900-571=316-(160+28)=236-147+151=914-390-392=549-83×6=483-(223+93)=248+26-204=47+37+30=407-(364-246)=132×2=259+(175-132)=459-(425-419)=63+337+473=232-48=487-51=467-459+276=172×(73-70)=982-51×7=411+196×4=22+(833-603)=382+94×5=210+244×3=451-(229+47)=486-85-72=206+174×4=851+(556-549)=616+765-380=884-397=855-127+823=307+13-211=486-18×4=428-202-97=837+(754-306)=416+70-121=637-(267-100)=101+245×3=627+120+222=377-61×2=267+191=60+319=295-163=400-345=430×4-115=486-(46+309)=412+(396-63)=129×3+108=46×8+661=957-(495+253)=644+152=555+401+49=108+187-235=55×2=415×2+759=497-(290-234)=780-594-155=214+654+71=866-(716-152)=50×(451-448)=812-223×2=143×(354-348)=537×3=72×(129-122)=443-(381-71)=839×(852-849)=704×4-820=156+43+456=450-(397-323)=932-902=684-60=31+893+37=96+(448-165)=783×7-858=823×6=180+105-127=141+27=96×9-560=557+79×2=422-80×4=68×2+678=902×(853-849)=191×5-741=458-63×7=984+636-510=122×4-406=192-66-118=435-250=89×6-296=359+220+31=996+744-797=310+(398-324)=139×2+31=984-929=346+995-260=31+10×4=65+19+545=39×(359-351)=110+(763-619)=439-(475-251)=890+467×2=49×6+168=107×7-527=126+222-62=203×(44-40)=241+248-128=13×7-85=30×5-68=304-266+116=102×9-258=405-178-111=2/7+3/7=196+(374-62)=135+(385-361)=138-(418-322)=633+950-467=199+(306-40)=891+357+188=784-(182+59)=109+460+182=328×8-997=380×(92-83)=448-196×2=898×5-802=933+524=163+120=940-488=51×(441-434)=176+405=594-(178+175)=430-(318-214)=289-(162-34)=963-650+186=219-(287-129)=543×2=37+150=433×2-191=446+22-310=417-195-202=888-79×7=945-248+591=284+325-502=850-(639-479)=93+(560-284)=696+710+961=35×(32-23)=663+(857-785)=692-(731-360)=197+221=679-336-265=448-309=549-133×3=405+(440-92)=672-(411+237)=79-59+391=81×(150-142)=408-79×2=502-74×5=824-277-16=240+744-61=91×(438-433)=729-727+886=75×6-435=244+(176-128)=46+526+122=157×5=271+127=87×7+139=361-(511-302)=136+51-164=911-(818-418)=99×(475-472)=126+(458-75)=546-98-173=184+351+150=562-24×3=758+910-899=28×(352-349)=1/10+8/10=833×7-67=267-99-54=970-(638+11)=320-(276-231)=321-(170-73)=368-339=23×3=288×2-195=889+(668-579)=399-(124-67)=273-28=460-58×2=5/9-3/9=258-121×2=236+364=781×6=301×3=362+136-76=212×3=905-70-650=621+123×4=498-(154-41)=909-150-558=374-234+343=462-41-373=6/10-3/10=251-32-47=392-(262+44)=496-78=136+181-105=83+255=332×4-173=449×(773-767)=365-(166+126)=4/8-2/8=895-385+279=753×6=826+21×5=18+(429-417)=413×2-733=854-183+878=466-(15+132)=249×4=133+352=990×4=373+359+513=18+(311-27)=133+76=248+225=155+116×2=333+428=853-(610-206)=462-(336+117)=133+254=166-89=309-24×6=306-142×2=6/8+2/8=21×6=653+798+547=4/6-2/6=798-(182+21)=911-462-367=27+73+111=577-(565-163)=369-281+409=318+724-779=94+91+586=394-(154+21)=248×3+59=142+68-170=76×(163-158)=366-233+118=813+985-319=47+48=49×5-51=287+(622-514)=203×4=39×3=407-146=655+440=219+(70-11)=2/9+6/9=189×4-15=458-236=440-(90+312)=278+(494-78)=471×3=390-160-95=834-49×8=765+(717-253)=715-37=573-109-369=120+252=497+697+431=409×(862-855)=862-(577-513)=709+170×3=651+(909-898)=84×5=91+(239-194)=223+61-219=430-372=236-(229-186)=751-(779-734)=1/5+3/5=806-(377-237)=443-216-118=269-41×3=62+677-76=269×2=784+459-243=162+(162-116)=621-327+752=558-(331+80)=569-(793-586)=478-(793-697)=490+285=738-475+687=348+(327-247)=169-25×4=672-(257-153)=935-691-20=784-233-22=34+104×2=62+228=569+173+546=323-276=923+319+851=101+(460-94)=952+(364-337)=930+(748-202)=653-381-220=971×8=2/4-1/4=860-623=192+(406-226)=971-388+350=719-619+292=166-22+284=364+(663-51)=564-372+658=132+712+122=312×2-357=37×4+462=417+99×3=718×6-326=844-15-149=153+64×7=228+487+265=219+65=2/6+3/6=714×6-411=941+(660-51)=291+205+249=390+47-252=317×(413-410)=128×7=228-(74+131)=50+738-405=347-154-178=251-100=210+(839-19)=121-(945-862)=477-36-82=470+295=26×5+494=44×5+433=3/6-1/6=23+407-372=204-42×4=864+341+868=152+(321-59)=29×(57-48)=85+368-217=541-47×2=558-69-177=56+265+568=72×4+427=576-255-311=310-(193+113)=63×2+777=680-171+652=186×(386-382)=577-85+384=860+570=728×3-639=465×(733-725)=70+534+299=930-519-216=837×4=992-157-118=359+49+319=212×(278-274)=434-(22+33)=498-259+217=279+(992-552)=1/6+2/6=450-392+308=759-616+803=872×5=319-(95+116)=344-214+163=396+(886-831)=873+793+718=226+537+52=95+983-537=40×8-129=801-(287+56)=215×2=437-24-248=409-76×4=940-54-243=997-(719+262)=433-(151+218)=79×6-127=139×7=144-75+20=87+219=891-280-577=840-330×2=397-(85+170)=653×9=26×5+878=269-122=181×2=164×(526-521)=186+739=572+115-626=581+(719-237)=594-29×5=743-339=102×8-691=131×(965-959)=236×9-310=468×4-447=77×2=410×2+35=770-61×5=543×(300-292)=181×5-798=808-(55+260)=260-(354-130)=646×(183-175)=194+101=980-738+573=909-591+122=337×5=298-62×4=896+653-787=1/7+3/7=199×8-958=554×(464-458)=740×4-606=53×(22-15)=573×7-427=483-137-12=196+21-205=904-(425-64)=443+520-496=309-248+154=342+139=697-331+93=215+154×3=581×6-452=265-60-105=490-(427-305)=690-351+727=165+27+472=100-63+93=571-331+813=740+587-570=373-(99+70)=228×2+999=948-(760+72)=97×2+395=306+23-36=316-65=680+61+66=405+(359-27)=414-36×7=581+290+109=168×2-166=482-154-96=425-325+395=458+586-253=336×(613-609)=223+(470-401)=567×(132-125)=224×4=828-(315+251)=309-257=266-(24+185)=761-86×5=225×4-340=387-(178-42)=745-175×3=53×3=32×9=984-(635+144)=263-181=437×3-313=683-213=209-12×8=277+136×6=467×2=47×5+989=2/5-1/5=331×(82-76)=73×8+77=275-80-26=936-488-374=482-(348-78)=3/8-2/8=689-219=71+295+154=345+69=50×6+168=888-774=967-(137+826)=562-11×3=241+93=222×3-515=726+435×2=355+788+420=523-291=103+(302-243)=450+322+171=885+94×3=924-632+804=902-(435+136)=810×3-785=934-471-213=291+508-229=716×(483-478)=258-(466-424)=439-19-171=231+204×2=874-(436+57)=601-396=81+298=452-25-210=463-(23+139)=406-68×5=123-12×8=751+397-702=641+(961-205)=301-231=15×(96-89)=783+370=884-291=169-70=187×3=294-173+255=864-136=421-(308+13)=442-(324-171)=14+18=26+303+361=952+616+811=57+94=303-28=238×2+456=102-15×6=711×6=4/8+2/8=117+373=94×5+448=954-207+920=269+843+465=44×3=50×5=259-(108+62)=866×7=804-220×2=372-(998-778)=338-(435-176)=682-(612-61)=437-(252+81)=410-332+384=22×9+375=270×3-742=555-253×2=342-53×3=236-25×5=325-90=274×2-527=388-60+154=178-23=776-(925-836)=660+205=170+259-395=152×5=885×8-198=265+76-24=331+681-608=266-(325-312)=956-43-725=231+159-368=141×(206-200)=188×3-527=328-105-182=309+261+35=1/9+2/9=779-(42+508)=489-(271+48)=837×(148-141)=680×3-993=884-284×2=86×9+649=396-73×2=56×(229-224)=54+169+49=160-72+230=37×(215-212)=796+55+790=941+98-753=346-112×3=270×6=697×9=134+840-52=413-11-174=183+(315-63)=278×2-291=2/6-1/6=3/6-2/6=178×(674-667)=973-115×6=184+70+10=13+307-62=268+(977-243)=183+22-104=186+425=287-(28+251)=428-202-138=186×8=893-742+465=48+383-294=760-99×3=663×6=319×(205-197)=164+(460-364)=1/3+2/3=345-128×2=147-91+184=96×8-25=454-75+90=412-84=451+53×2=157×7-721=445-144+135=733+313-308=254+(541-281)=174×5-787=519+668=250×4-353=468-(273+90)=470-(367+78)=406-56+87=242-18×7=533×3=187+186+59=219-(498-451)=230+676+832=328-18-131=32×2=643-(204+417)=141×4=82+246=358-303+78=786-459+533=509+226=146+242-31=285×2+229=981-646=472×4=95×2-139=981-(730-607)=135-(132-61)=220+132-133=919+822=841+(794-685)=404-164+165=949-75-821=638-88=760+245+494=247+507=313-(404-397)=563+982=600×(472-466)=192-87=25×5+274=480-104×2=380-93-96=274+(496-340)=25+102+569=201+594=38×4+176=178×(280-276)=45+810+554=359×(302-299)=393-101-67=126×4=338+118×5=253+119=890+598+76=222-(92+47)=308-(85+151)=4/7+3/7=68×9=258+(162-84)=370-280-38=282+(147-32)=303×2=583+268+78=487-268-205=663-92+213=986-386=371-87×2=389-67×5=979×(373-366)=539-(73+317)=91×5=725-167×4=736-378=391-60×6=481-431+88=448-86+70=769-720=458+317=752-727=259×(214-211)=496+826=851-408×2=892+748+399=938-(603+246)=293-49=893-(815-129)=896-(351-115)=524+(654-624)=474-38=582-395-124=979-288+476=191×2-117=78-(190-118)=296+186×4=696-(80+115)=參考答案533+693-395=831340+90+570=1000963-329-501=133174+217+435=826235-(382-320)=173418+23×8=602609-(10+44)=555268-187-21=60147-(41-10)=116394+(955-298)=1051205-19×7=72385-11×7=308831-23-151=657615-(661-72)=26323-16+43=350569×(460-452)=4552508×4=203268×(398-393)=34048+(477-443)=82219+76×4=523803-473=330437×9=3933864×4=3456658×(608-602)=394848+192=240224+74=298176+299=475299-(206+26)=67152×2+332=636138+98+573=809379×8=3032263+412=675187×5-757=178762-417=345197+720+576=1493488-(418-396)=466475-(270+142)=63130-87+382=425818×6-325=4583414-220=194201-(334-285)=152444-74-44=326936-(228+298)=410246-(192+13)=41746-(10+603)=133289+320×2=929458-424+176=210722-37=685679+127-461=345522×2=1044407-181+273=499262+(330-262)=330602+(900-11)=1491569-158×3=95181×(656-647)=1629411+615+501=1527463-(429-83)=117471+48×7=807320×7=224094×5=470141+226-31=336124+32=15679×(55-50)=395218+187-179=226629+(508-171)=966800-(845-449)=404358×4-961=471548-197×2=154185+106×4=609216-57+983=1142136+36=172334-(333-236)=237212×(130-127)=636459-(387+30)=42126×(73-69)=504969-660+546=855665-(495+158)=12417-297=120672+829-464=1037755×3-821=1444408+74=482138-(344-217)=11119×(373-370)=357468-258-14=196499-176-219=10410×6=60335-(290-64)=109297×2-97=497377-158+648=867144-111=33946×(701-693)=7568820+479-866=433443×2-229=65731×(419-410)=2796/9-1/9=5/943-39+437=441584+146=730147+29×4=26357×(469-460)=513403+308=711507×6-966=207647+724+137=908407+150+141=698666-395-250=21276+72-90=258261+87=348340+177+418=935174-77=97632-203×3=237/10-2/10=5/10964×(502-497)=4820773-(481+22)=270453+(448-269)=632675-284×2=107406×2-552=26083+(956-207)=832577+99×7=1270540-107-101=332128×(798-795)=384307-(283+12)=1250+339+278=66726×4=10480+373=45374+257-164=167289+(669-353)=605629+(855-843)=64160×2+395=515504-(528-291)=267987-876-23=88178×2+340=696492-140×3=7271×(478-474)=28480+28=108394-22=372386-64=322527-27×5=392442×(163-158)=2210813-(500+90)=22399+374-369=104873-674=199900-571=329316-(160+28)=128236-147+151=240914-390-392=132549-83×6=51483-(223+93)=167248+26-204=7047+37+30=114407-(364-246)=289132×2=264259+(175-132)=302459-(425-419)=45363+337+473=873232-48=184487-51=436467-459+276=284172×(73-70)=516982-51×7=625411+196×4=119522+(833-603)=252382+94×5=852210+244×3=942451-(229+47)=175486-85-72=329206+174×4=902851+(556-549)=858616+765-380=1001884-397=487855-127+823=1551307+13-211=109486-18×4=414428-202-97=129837+(754-306)=1285416+70-121=365637-(267-100)=470101+245×3=836627+120+222=969377-61×2=255267+191=45860+319=379295-163=132400-345=55430×4-115=1605486-(46+309)=131412+(396-63)=745129×3+108=49546×8+661=1029957-(495+253)=209644+152=796555+401+49=1005108+187-235=6055×2=110415×2+759=1589497-(290-234)=441780-594-155=31214+654+71=939866-(716-152)=30250×(451-448)=150812-223×2=366143×(354-348)=858537×3=161172×(129-122)=504443-(381-71)=133839×(852-849)=2517704×4-820=1996156+43+456=655450-(397-323)=376932-902=30684-60=62431+893+37=96196+(448-165)=379783×7-858=4623823×6=4938180+105-127=158141+27=16896×9-560=304557+79×2=715422-80×4=10268×2+678=814902×(853-849)=3608191×5-741=214458-63×7=17984+636-510=1110122×4-406=82192-66-118=8435-250=18589×6-296=238359+220+31=610996+744-797=943310+(398-324)=384139×2+31=309984-929=55346+995-260=108131+10×4=7165+19+545=62939×(359-351)=312110+(763-619)=254439-(475-251)=215890+467×2=182449×6+168=462107×7-527=222126+222-62=286203×(44-40)=812241+248-128=36113×7-85=630×5-68=82304-266+116=154102×9-258=660405-178-111=1162/7+3/7=5/7196+(374-62)=508135+(385-361)=159138-(418-322)=42633+950-467=1116199+(306-40)=465891+357+188=1436784-(182+59)=543109+460+182=751328×8-997=1627380×(92-83)=3420448-196×2=56898×5-802=3688933+524=1457163+120=283940-488=45251×(441-434)=357176+405=581594-(178+175)=241430-(318-214)=326289-(162-34)=161963-650+186=499219-(287-129)=61543×2=108637+150=187433×2-191=675446+22-310=158417-195-202=20888-79×7=335945-248+591=1288284+325-502=107850-(639-479)=69093+(560-284)=369696+710+961=236735×(32-23)=315663+(857-785)=735692-(731-360)=321197+221=418679-336-265=78448-309=139549-133×3=150405+(440-92)=753672-(411+237)=2479-59+391=41181×(150-142)=648408-79×2=250502-74×5=132824-277-16=531240+744-61=92391×(438-433)=455729-727+886=88875×6-435=15244+(176-128)=29246+526+122=694157×5=785271+127=39887×7+139=748361-(511-302)=152136+51-164=23911-(818-418)=51199×(475-472)=297126+(458-75)=509546-98-173=275184+351+150=685562-24×3=490758+910-899=76928×(352-349)=841/10+8/10=9/10833×7-67=5764267-99-54=114970-(638+11)=321320-(276-231)=275321-(170-73)=224368-339=2923×3=69288×2-195=381889+(668-579)=978399-(124-67)=342273-28=245460-58×2=3445/9-3/9=2/9258-121×2=16236+364=600781×6=4686301×3=903362+136-76=422212×3=636905-70-650=185621+123×4=1113498-(154-41)=385909-150-558=201374-234+343=483462-41-373=486/10-3/10=3/10251-32-47=172392-(262+44)=86496-78=418136+181-105=21283+255=338332×4-173=1155449×(773-767)=2694365-(166+126)=734/8-2/8=2/8895-385+279=789753×6=4518826+21×5=93118+(429-417)=30413×2-733=93854-183+878=1549466-(15+132)=319249×4=996133+352=485990×4=3960373+359+513=124518+(311-27)=302133+76=209248+225=473155+116×2=387333+428=761853-(610-206)=449462-(336+117)=9133+254=387166-89=77309-24×6=165306-142×2=226/8+2/8=121×6=126653+798+547=19984/6-2/6=2/6798-(182+21)=595911-462-367=8227+73+111=211577-(565-163)=175369-281+409=497318+724-779=26394+91+586=771394-(154+21)=219248×3+59=803142+68-170=4076×(163-158)=380366-233+118=251813+985-319=147947+48=9549×5-51=194287+(622-514)=395203×4=81239×3=117407-146=261655+440=1095219+(70-11)=2782/9+6/9=8/9189×4-15=741458-236=222440-(90+312)=38278+(494-78)=694471×3=1413390-160-95=135834-49×8=442765+(717-253)=1229715-37=678573-109-369=95120+252=372497+697+431=1625409×(862-855)=2863862-(577-513)=798709+170×3=1219651+(909-898)=66284×5=42091+(239-194)=136223+61-219=65430-372=58236-(229-186)=193751-(779-734)=7061/5+3/5=4/5806-(377-237)=666443-216-118=109269-41×3=14662+677-76=663269×2=538784+459-243=1000162+(162-116)=208621-327+752=1046558-(331+80)=147569-(793-586)=362478-(793-697)=382490+285=775738-475+687=950348+(327-247)=428169-25×4=69672-(257-153)=568935-691-20=224784-233-22=52934+104×2=24262+228=290569+173+546=1288323-276=47923+319+851=2093101+(460-94)=467952+(364-337)=979930+(748-202)=1476653-381-220=52971×8=77682/4-1/4=1/4860-623=237192+(406-226)=372971-388+350=933719-619+292=392166-22+284=428364+(663-51)=976564-372+658=850132+712+122=966312×2-357=26737×4+462=610417+99×3=714718×6-326=3982844-15-149=680153+64×7=601228+487+265=980219+65=2842/6+3/6=5/6714×6-411=3873941+(660-51)=1550291+205+249=745390+47-252=185317×(413-410)=951128×7=896228-(74+131)=2350+738-405=383347-154-178=15251-100=151210+(839-19)=1030121-(945-862)=38477-36-82=359470+295=76526×5+494=62444×5+433=6533/6-1/6=2/623+407-372=58204-42×4=36864+341+868=2073152+(321-59)=41429×(57-48)=26185+368-217=236541-47×2=447558-69-177=31256+265+568=88972×4+427=715576-255-311=10310-(193+113)=463×2+777=903680-171+652=1161186×(386-382)=744577-85+384=876860+570=1430728×3-639=1545465×(733-725)=372070+534+299=903930-519-216=195837×4=3348992-157-118=717359+49+319=727212×(278-274)=848434-(22+33)=379498-259+217=456279+(992-552)=7191/6+2/6=3/6450-392+308=366759-616+803=946872×5=4360319-(95+116)=108344-214+163=293396+(886-831)=451873+793+718=2384226+537+52=81595+983-537=54140×8-129=191801-(287+56)=458215×2=430437-24-248=165409-76×4=105940-54-243=643997-(719+262)=16433-(151+218)=6479×6-127=347139×7=973144-75+20=8987+219=306891-280-577=34840-330×2=180397-(85+170)=142653×9=587726×5+878=1008269-122=147181×2=362164×(526-521)=820186+739=925572+115-626=61581+(719-237)=1063594-29×5=449743-339=404102×8-691=125131×(965-959)=786236×9-310=1814468×4-447=142577×2=154410×2+35=855770-61×5=465543×(300-292)=4344181×5-798=107808-(55+260)=493260-(354-130)=36646×(183-175)=5168194+101=295980-738+573=815909-591+122=440337×5=1685298-62×4=50896+653-787=7621/7+3/7=4/7199×8-958=634554×(464-458)=3324740×4-606=235453×(22-15)=371573×7-427=3584483-137-12=334196+21-205=12904-(425-64)=543443+520-496=467309-248+154=215342+139=481697-331+93=459215+154×3=677581×6-452=3034265-60-105=100490-(427-305)=368690-351+727=1066165+27+472=664100-63+93=130571-331+813=1053740+587-570=757373-(99+70)=204228×2+999=1455948-(760+72)=11697×2+395=589306+23-36=293316-65=251680+61+66=807405+(359-27)=737414-36×7=162581+290+109=980168×2-166=170482-154-96=232425-325+395=495458+586-253=791336×(613-609)=1344223+(470-401)=292567×(132-125)=3969224×4=896828-(315+251)=262309-257=52266-(24+185)=57761-86×5=331225×4-340=560387-(178-42)=251745-175×3=22053×3=15932×9=288984-(635+144)=205263-181=82437×3-313=998683-213=470209-12×8=113277+136×6=1093467×2=93447×5+989=12242/5-1/5=1/5331×(82-76)=198673×8+77=661275-80-26=169936-488-374=74482-(348-78)=2123/8-2/8=1/8689-219=47071+295+154=520345+69=41450×6+168=468888-774=114967-(137+826)=4562-11×3=529241+93=334222×3-515=151726+435×2=1596355+788+420=1563523-291=232103+(302-243)=162450+322+171=943885+94×3=1167924-632+804=1096902-(435+136)=331810×3-785=1645934-471-213=250291+508-229=570716×(483-478)=3580258-(466-424)=216439-19-171=249231+204×2=639874-(436+57)=381601-396=20581+298=379452-25-210=217463-(23+139)=301406-68×5=66123-12×8=27751+397-702=446641+(961-205)=1397301-231=7015×(96-89)=105783+370=1153884-291=593169-70=99187×3=561294-173+255=376864-136=728421-(308+13)=100442-(324-171)=28914+18=3226+303+361=690952+616+811=237957+94=151303-28=275238×2+456=932102-15×6=12711×6=42664/8+2/8=6/8117+373=49094×5+448=918954-207+920=1667269+843+465=157744×3=13250×5=250259-(108+62)=89866×7=6062804-220×2=364372-(998-778)=152338-(435-176)=79682-(612-61)=131437-(252+81)=104410-332+384=46222×9+375=573270×3-742=68555-253×2=49342-53×3=183236-25×5=111325-90=235274×2-527=21388-60+154=482178-23=155776-(925-836)=687660+205=865170+