三年級數學(上)計算題專項練習附答案集錦

三年級數學(上)計算題專項練習附答案集錦972-(233+437)=569-(698-606)=882-(237+486)=220+(385-244)=276-244=149×3=374+(281-26)=899×9-440=482-153-136=148×(192-186)=380-(176+136)=917+780-379=139+81=285+30×7=295-(13+70)=336+225=71+255+92=820-275-248=121+(965-143)=659+302+76=975-356+958=302+777+537=471-405+254=181+825+159=469+121×4=299-128=205+704=445-(249-111)=798+254+987=458-30=822×8-760=278+248+321=949-147+311=801-42×8=4/7-2/7=616-62=884-181+601=461-(232-19)=401+244×2=21×(289-281)=264-30×5=436-39×3=281+517=433-360+249=368+486-18=229+146+305=345-186=78+326-159=177+(493-248)=105+209=602-(545-507)=155+35=403-390=493×6-936=435-362=344+(457-123)=321×8-862=5/9-3/9=199×(760-754)=600×(667-658)=672-282-275=73×(110-106)=43+108+651=101×(526-522)=324-69×2=218+120+304=51+143-59=631-(214+129)=238×2-359=426-112-276=862×(536-528)=572-81=38×(241-232)=58×7=682-(996-690)=388×2-29=852+520=431-135=130-13×7=602+439=298+551+381=419-85-279=496-357=3/5+2/5=436-(53+227)=153+40=377-(114+30)=106×8=452-201×2=464+(936-716)=542×(746-738)=167×3+530=807-(694-220)=452-70×2=20×7+212=851-103×2=491+(483-154)=816+(448-383)=694+717+726=421+571=609-(986-652)=199+173=3/7-2/7=162+56×3=157+200+103=422×2=3/8+4/8=885×8=166×5-71=3/4-1/4=120+267+360=266×(429-426)=209×5=481+239=288-80×2=40+121=51×(830-826)=763-(266+253)=608-190+511=129×5=414+268+271=667+(257-150)=293-(44+132)=134-48+336=99×7-414=998-382×2=292+127-39=45×(299-290)=302+190-51=137×5-177=809×9=899-472=163-(148-112)=250-209+398=859+(587-86)=373+(469-67)=877-241-143=84×(437-433)=478-393=145×(462-457)=47×(340-332)=212+(929-635)=578-369=161+(433-316)=581+125×4=635-10×7=949-194=112×3+356=202-97+251=839-395=355×2=871×2-539=286+164+113=169×8=870+708+576=186-(297-210)=48+(295-123)=617-(175+170)=969-18-446=510+316+10=117×7+531=562+939+369=971×3=320×8-547=684-166-226=4/8+2/8=712+566-550=863+723=591+316+477=439-436+496=564-(275-23)=998-376=867-159=15×8=220-(372-320)=765×7-518=159+337-261=296-49×3=147-35=268-76×2=183+527-657=198+573=111+269=524-155×3=60+426-105=145-71-72=227×4=418+(499-81)=482×3-435=908-(803-348)=42-(50-39)=91×6+226=466-40-184=2/8+3/8=148×2=94×2=156+162+568=161+101×2=350-107=578+59-95=102+141=21×(299-294)=486-(626-560)=410-32×7=83+(842-296)=880-244=220+(504-65)=622+160+755=274+102=154-23+16=444+(233-74)=550+600-733=576+125×8=32×7=150+84=856×(274-268)=91+(270-31)=680+935-139=762-353-352=992-(267+595)=453-103+38=51+141=458-448+451=351×2+260=754+713-259=389-49-291=71×(427-422)=342-(214-63)=329-(418-132)=74×7=459+(433-333)=973+497=305-(190-134)=433×9-923=885+(779-588)=407-367-26=324×2-311=37×(198-195)=5/7+2/7=867-84×7=254-(297-195)=470×2-434=439-(168-36)=528-321+233=925+183×5=134×4-135=479×(31-26)=12+139×6=378-90-177=641-(515-29)=88×4-69=479-160=456-38×3=83+162=575+(831-30)=191+257=495-219×2=160-11=99+350-328=794-(624+10)=376-25-50=371-33-273=67+233+124=56+367-197=334×2=189-(336-284)=164+76-128=72×6=62+38=935-891+452=96×6-348=477-(330+83)=34×(402-393)=787-186+703=454-347+16=433+656-612=138×3-171=467-381+304=649+202+137=329-267+436=425-63-191=974-350-460=432-25×9=359+69=879-222+785=911-705-45=378-(379-87)=293×6=612×(655-647)=673-57-462=47×7-327=470+324=152+268-64=212+177-344=16×(476-467)=657+996-272=477-(357+22)=3/8+5/8=525-303-120=271-(299-290)=374×3=705-660+127=132+248=2/3-1/3=471-92-250=421-137+93=646-564+604=216-73+152=309+(778-579)=840-(330+368)=720-97×6=399×4-428=267+137=281×2+54=795+(765-220)=560×(118-115)=234+32×4=265-(23+236)=371×(556-552)=374+90×4=99×(851-847)=33×5+42=697+548-811=363-(105-69)=270-24=309-(434-358)=120×(432-424)=86×(443-438)=357-(44+158)=199+153-52=146-(248-135)=422+33-416=385-(140+244)=10+453-17=384-(148+234)=96×2+278=172-159+272=301+105×5=451×8-809=695+110-412=340-(456-188)=121+141+82=82+151=178-26+135=726-489+304=2/7-1/7=856-535-259=922+534+884=40×3+274=575-36-84=454-423=264-188=449-(218+160)=105+331-206=766+625+298=37×8+168=476+(400-91)=954-(573+85)=483-10×9=233-19×4=2/10+8/10=382-(159+160)=886+263=478-74+75=789-(277+470)=29×7+468=406-205+219=339-170+172=889-(364+81)=901-868+750=250+216=697-369-109=548+441-173=603+212×3=641-152=864+65×6=323-91-120=128+491=984-(764-761)=438-15×9=186+722+208=472-41-379=384×(807-803)=125+177=612+367-135=365×(901-893)=431-21-91=246-107×2=816+539+128=336-248=943-(83+414)=956-13×6=5/7-1/7=834×5=754-(57+247)=441+(399-236)=686-(301+305)=149+189=99+(454-137)=318-70×3=283-161+16=64×6=905-(865-355)=282×(319-316)=604-479-113=448+(449-271)=474-(37+29)=149+207=179-(175-12)=193+(405-390)=375-93+185=439×2+854=167-48=269-(445-181)=5/10-3/10=757×3-21=257-15+253=327-(397-370)=300-295+369=198+75+526=568+13×5=229×3=84+359=79+366-210=965-254=885-(166+349)=131×7=146×5+249=299-197+252=37×6-185=249+644-171=147-72=157-19×7=139+(806-510)=244+651-807=230-(172+42)=236+254-422=930-(237+57)=510+(792-263)=714-(906-210)=269+516=410-(191+130)=247-(267-230)=38×8=267+22-180=226-(990-920)=3/10+2/10=87×8-260=763+67-150=321×9=803×(339-335)=200×2=90×(255-248)=779+615=90+190=937-(830-380)=108×6+299=495-(62+201)=288-(350-258)=453-49-394=205×2-312=139×(480-476)=514×7-92=311+121-135=196-(76-63)=464-60=747-603=98+17=470-(441-430)=257-197+111=56×3=868-107-360=905-656+876=929+(621-305)=444-96+133=820×6-421=400+700=47+446-480=46×(359-354)=259-28×5=295+(183-82)=88×8-172=487-374+653=446+(282-135)=388×4-90=7/9-1/9=662-424=406×(311-305)=343-216-73=859-(72+73)=794-142×2=326×2+17=262+356×2=84×6+115=377-(66+148)=100×(198-194)=977-(652-103)=131×(142-135)=451-(101+337)=48+(916-276)=124+616+254=227+149-291=819+265-315=820-189×2=303-65-164=315+21+332=90×5-430=313+(784-288)=124×3=354+(483-357)=876-(305-35)=726×2=994-69-280=349+966-235=472-195×2=350+(36-24)=488-(347+102)=569-334-39=732×7=136×6=282-27×2=105×8-53=655+614+829=511+(975-50)=287+(184-148)=233-70×3=978+467+382=74×3=333×(714-707)=278-70=417-289=413-185=739×9=394+(844-263)=341+101=704-70×5=307×(172-165)=652+939+224=499-80-295=219-(123-49)=234-46-139=648-(399+67)=297-37×8=362-104×2=474-(401-236)=122-(60+13)=295+174-425=203-173-11=246+76-275=349-349+424=133+327=914-242=237+197=103×4=466-(183+272)=480-60+845=463×2-846=236-31=329+(786-161)=934-(853-345)=389×4=207×4-283=87×5=970-(203+277)=25+160-135=430-89-317=543-60×8=379+359-496=466-213-118=403-319-58=487-(15+391)=442-31=486-(218-162)=769-23×9=829+(969-247)=367×2=418-190+16=155+184-93=64+(369-60)=362-173=101+608+77=203+149=431-(205+31)=579×9-597=265+236+35=455-(265-81)=633+739=982-(735-415)=601×(367-363)=587×9-576=548-66-357=232+263+307=496-301+179=416+237+308=583-78×3=497-143×3=118-33=228×4-757=217+270+432=416-158-69=487×2=958+330×2=96×2+461=175+63+727=3/6-1/6=414-(286-180)=197×4-525=350+(535-297)=809×(62-53)=324+863=175+363×2=381+33+524=722-193=258+101×2=161×6-648=3/8+2/8=366-(13+255)=797-24×9=787-146-37=851-(613-53)=395-108=341+82×2=853+63×8=16×4+208=61+860+465=742-88=922-114=182×4-668=454-23×6=133-102=343-(21+247)=214-28×5=578×5=330+(248-58)=170×2-152=119+154×4=356+142-135=822-380×2=543×4=145-34=259-(81+70)=309-(472-269)=249+521-443=181-171=679+321-206=26×(447-441)=916+484-317=920×8=136×3+335=717-306=186×(56-53)=673-(55+69)=232×2+815=699+472+75=48+53×9=573-(870-400)=441-168-55=102+(463-400)=499-381+197=291+557+113=310×8=113×6=280×(874-868)=210×4+871=449+46-342=833-67×2=417+640+762=398×2+439=916-(747-285)=206+152×5=781×5=423×8-655=496-71+60=463-186-105=936×(250-247)=357-310+186=866-180+909=965-46×7=579-92×5=949-(893-730)=408×3-188=331+822+461=434+(202-174)=426-115×3=180+281=390×2-653=491×2=521-28×2=908×3=99+731-58=617-74×6=971-441-21=670-(458+22)=154×6=357-(321-206)=76+403+384=1/6+4/6=211+836-56=73×3=108+202=196×2+488=103+564=15×5=91×2+161=282-164=400-225=611×3-464=1/7+2/7=163+(435-370)=90+300=348+673=309-(603-580)=690×(656-651)=331+88=779-635+457=277×(515-506)=393-66×3=491-402-21=336+327+349=406-208-24=267-152-78=6/8-1/8=46+34+291=506×3=389+68-72=266+79-69=483-249-194=222×(340-336)=668-196-343=61×8+327=149×6=135×7-207=530-(123+236)=250×2-348=185+262-260=209+(281-196)=486-443+365=347-70×4=82+(896-60)=248×(476-473)=833-381-170=41+(443-113)=444+20×4=428-41×6=404×8-503=994+(950-445)=260-(31+83)=192+71=118×(431-422)=50×8-368=193×5=870-532+257=562×(774-767)=431-(449-401)=1/4+2/4=645-365+657=268+739=454-23×4=824-(362+372)=358-299=62×(280-275)=634-410+536=135×7-927=62×4+222=469-257+392=270×8-16=71+789+566=260-147-23=638-259×2=31+(731-686)=496+(275-13)=912-(561-439)=34×(249-242)=209×(210-206)=485-(155-73)=916+832-357=762+21+182=114+(728-462)=173+(108-80)=97×(85-79)=53+89+840=476-49=985-(18+127)=825×6=890-(478-30)=374-63=702+570+289=434-220-17=905-13×5=412-(184+94)=461×6-815=185-(129+45)=305+132=425+186×3=551×5=74-(12+12)=774×6-115=356+(226-161)=66×2=873-712=121+35×9=65×7-362=450×5=533×4-810=487-99×4=275×2=358-272-67=463-(49+16)=445-(211+151)=222-27+94=900-92×2=633+18×3=814-45+367=323-286+249=35+204×4=187-55=645-(100+102)=778-20×8=598-303=284+(355-196)=367-185-66=386+588=425+178+254=201+(985-789)=207+234=132×(201-198)=981-210+87=748-543=583×7-177=130×7-115=839-743=65×8+472=150+501+51=354-(81+52)=520-15+240=115×8-844=654-280+838=212+25+13=265+42+148=841-372-180=285×(731-727)=34×4-50=468-(63+69)=499-382=265-(444-406)=262+838-646=96+335=144×(342-339)=120×3+431=33×9=37+455-186=293+93=426+74+77=169+116-40=574+730+769=207+274-295=4/6-1/6=529-134-145=942×(240-231)=39+54×9=124+576+30=583-274-199=172-14×9=36×3+216=參考答案972-(233+437)=302569-(698-606)=477882-(237+486)=159220+(385-244)=361276-244=32149×3=447374+(281-26)=629899×9-440=7651482-153-136=193148×(192-186)=888380-(176+136)=68917+780-379=1318139+81=220285+30×7=495295-(13+70)=212336+225=56171+255+92=418820-275-248=297121+(965-143)=943659+302+76=1037975-356+958=1577302+777+537=1616471-405+254=320181+825+159=1165469+121×4=953299-128=171205+704=909445-(249-111)=307798+254+987=2039458-30=428822×8-760=5816278+248+321=847949-147+311=1113801-42×8=4654/7-2/7=2/7616-62=554884-181+601=1304461-(232-19)=248401+244×2=88921×(289-281)=168264-30×5=114436-39×3=319281+517=798433-360+249=322368+486-18=836229+146+305=680345-186=15978+326-159=245177+(493-248)=422105+209=314602-(545-507)=564155+35=190403-390=13493×6-936=2022435-362=73344+(457-123)=678321×8-862=17065/9-3/9=2/9199×(760-754)=1194600×(667-658)=5400672-282-275=11573×(110-106)=29243+108+651=802101×(526-522)=404324-69×2=186218+120+304=64251+143-59=135631-(214+129)=288238×2-359=117426-112-276=38862×(536-528)=6896572-81=49138×(241-232)=34258×7=406682-(996-690)=376388×2-29=747852+520=1372431-135=296130-13×7=39602+439=1041298+551+381=1230419-85-279=55496-357=1393/5+2/5=1436-(53+227)=156153+40=193377-(114+30)=233106×8=848452-201×2=50464+(936-716)=684542×(746-738)=4336167×3+530=1031807-(694-220)=333452-70×2=31220×7+212=352851-103×2=645491+(483-154)=820816+(448-383)=881694+717+726=2137421+571=992609-(986-652)=275199+173=3723/7-2/7=1/7162+56×3=330157+200+103=460422×2=8443/8+4/8=7/8885×8=7080166×5-71=7593/4-1/4=2/4120+267+360=747266×(429-426)=798209×5=1045481+239=720288-80×2=12840+121=16151×(830-826)=204763-(266+253)=244608-190+511=929129×5=645414+268+271=953667+(257-150)=774293-(44+132)=117134-48+336=42299×7-414=279998-382×2=234292+127-39=38045×(299-290)=405302+190-51=441137×5-177=508809×9=7281899-472=427163-(148-112)=127250-209+398=439859+(587-86)=1360373+(469-67)=775877-241-143=49384×(437-433)=336478-393=85145×(462-457)=72547×(340-332)=376212+(929-635)=506578-369=209161+(433-316)=278581+125×4=1081635-10×7=565949-194=755112×3+356=692202-97+251=356839-395=444355×2=710871×2-539=1203286+164+113=563169×8=1352870+708+576=2154186-(297-210)=9948+(295-123)=220617-(175+170)=272969-18-446=505510+316+10=836117×7+531=1350562+939+369=1870971×3=2913320×8-547=2013684-166-226=2924/8+2/8=6/8712+566-550=728863+723=1586591+316+477=1384439-436+496=499564-(275-23)=312998-376=622867-159=70815×8=120220-(372-320)=168765×7-518=4837159+337-261=235296-49×3=149147-35=112268-76×2=116183+527-657=53198+573=771111+269=380524-155×3=5960+426-105=381145-71-72=2227×4=908418+(499-81)=836482×3-435=1011908-(803-348)=45342-(50-39)=3191×6+226=772466-40-184=2422/8+3/8=5/8148×2=29694×2=188156+162+568=886161+101×2=363350-107=243578+59-95=542102+141=24321×(299-294)=105486-(626-560)=420410-32×7=18683+(842-296)=629880-244=636220+(504-65)=659622+160+755=1537274+102=376154-23+16=147444+(233-74)=603550+600-733=417576+125×8=157632×7=224150+84=234856×(274-268)=513691+(270-31)=330680+935-139=1476762-353-352=57992-(267+595)=130453-103+38=38851+141=192458-448+451=461351×2+260=962754+713-259=1208389-49-291=4971×(427-422)=355342-(214-63)=191329-(418-132)=4374×7=518459+(433-333)=559973+497=1470305-(190-134)=249433×9-923=2974885+(779-588)=1076407-367-26=14324×2-311=33737×(198-195)=1115/7+2/7=1867-84×7=279254-(297-195)=152470×2-434=506439-(168-36)=307528-321+233=440925+183×5=1840134×4-135=401479×(31-26)=239512+139×6=846378-90-177=111641-(515-29)=15588×4-69=283479-160=319456-38×3=34283+162=245575+(831-30)=1376191+257=448495-219×2=57160-11=14999+350-328=121794-(624+10)=160376-25-50=301371-33-273=6567+233+124=42456+367-197=226334×2=668189-(336-284)=137164+76-128=11272×6=43262+38=100935-891+452=49696×6-348=228477-(330+83)=6434×(402-393)=306787-186+703=1304454-347+16=123433+656-612=477138×3-171=243467-381+304=390649+202+137=988329-267+436=498425-63-191=171974-350-460=164432-25×9=207359+69=428879-222+785=1442911-705-45=161378-(379-87)=86293×6=1758612×(655-647)=4896673-57-462=15447×7-327=2470+324=794152+268-64=356212+177-344=4516×(476-467)=144657+996-272=1381477-(357+22)=983/8+5/8=1525-303-120=102271-(299-290)=262374×3=1122705-660+127=172132+248=3802/3-1/3=1/3471-92-250=129421-137+93=377646-564+604=686216-73+152=295309+(778-579)=508840-(330+368)=142720-97×6=138399×4-428=1168267+137=404281×2+54=616795+(765-220)=1340560×(118-115)=1680234+32×4=362265-(23+236)=6371×(556-552)=1484374+90×4=73499×(851-847)=39633×5+42=207697+548-811=434363-(105-69)=327270-24=246309-(434-358)=233120×(432-424)=96086×(443-438)=430357-(44+158)=155199+153-52=300146-(248-135)=33422+33-416=39385-(140+244)=110+453-17=446384-(148+234)=296×2+278=470172-159+272=285301+105×5=826451×8-809=2799695+110-412=393340-(456-188)=72121+141+82=34482+151=233178-26+135=287726-489+304=5412/7-1/7=1/7856-535-259=62922+534+884=234040×3+274=394575-36-84=455454-423=31264-188=76449-(218+160)=71105+331-206=230766+625+298=168937×8+168=464476+(400-91)=785954-(573+85)=296483-10×9=393233-19×4=1572/10+8/10=1382-(159+160)=63886+263=1149478-74+75=479789-(277+470)=4229×7+468=671406-205+219=420339-170+172=341889-(364+81)=444901-868+750=783250+216=466697-369-109=219548+441-173=816603+212×3=1239641-152=489864+65×6=1254323-91-120=112128+491=619984-(764-761)=981438-15×9=303186+722+208=1116472-41-379=52384×(807-803)=1536125+177=302612+367-135=844365×(901-893)=2920431-21-91=319246-107×2=32816+539+128=1483336-248=88943-(83+414)=446956-13×6=8785/7-1/7=4/7834×5=4170754-(57+247)=450441+(399-236)=604686-(301+305)=80149+189=33899+(454-137)=416318-70×3=108283-161+16=13864×6=384905-(865-355)=395282×(319-316)=846604-479-113=12448+(449-271)=626474-(37+29)=408149+207=356179-(175-12)=16193+(405-390)=208375-93+185=467439×2+854=1732167-48=119269-(445-181)=55/10-3/10=2/10757×3-21=2250257-15+253=495327-(397-370)=300300-295+369=374198+75+526=799568+13×5=633229×3=68784+359=44379+366-210=235965-254=711885-(166+349)=370131×7=917146×5+249=979299-197+252=35437×6-185=37249+644-171=722147-72=75157-19×7=24139+(806-510)=435244+651-807=88230-(172+42)=16236+254-422=68930-(237+57)=636510+(792-263)=1039714-(906-210)=18269+516=785410-(191+130)=89247-(267-230)=21038×8=304267+22-180=109226-(990-920)=1563/10+2/10=5/1087×8-260=436763+67-150=680321×9=2889803×(339-335)=3212200×2=40090×(255-248)=630779+615=139490+190=280937-(830-380)=487108×6+299=947495-(62+201)=232288-(350-258)=196453-49-394=10205×2-312=98139×(480-476)=556514×7-92=3506311+121-135=297196-(76-63)=183464-60=404747-603=14498+17=115470-(441-430)=459257-197+111=17156×3=168868-107-360=401905-656+876=1125929+(621-305)=1245444-96+133=481820×6-421=4499400+700=110047+446-480=1346×(359-354)=230259-28×5=119295+(183-82)=39688×8-172=532487-374+653=766446+(282-135)=593388×4-90=14627/9-1/9=6/9662-424=238406×(311-305)=2436343-216-73=54859-(72+73)=714794-142×2=510326×2+17=669262+356×2=97484×6+115=619377-(66+148)=163100×(198-194)=400977-(652-103)=428131×(142-135)=917451-(101+337)=1348+(916-276)=688124+616+254=994227+149-291=85819+265-315=769820-189×2=442303-65-164=74315+21+332=66890×5-430=20313+(784-288)=809124×3=372354+(483-357)=480876-(305-35)=606726×2=1452994-69-280=645349+966-235=1080472-195×2=82350+(36-24)=362488-(347+102)=39569-334-39=196732×7=5124136×6=816282-27×2=228105×8-53=787655+614+829=2098511+(975-50)=1436287+(184-148)=323233-70×3=23978+467+382=182774×3=222333×(714-707)=2331278-70=208417-289=128413-185=228739×9=6651394+(844-263)=975341+101=442704-70×5=354307×(172-165)=2149652+939+224=1815499-80-295=124219-(123-49)=145234-46-139=49648-(399+67)=182297-37×8=1362-104×2=154474-(401-236)=309122-(60+13)=49295+174-425=44203-173-11=19246+76-275=47349-349+424=424133+327=460914-242=672237+197=434103×4=412466-(183+272)=11480-60+845=1265463×2-846=80236-31=205329+(786-161)=954934-(853-345)=426389×4=1556207×4-283=54587×5=435970-(203+277)=49025+160-135=50430-89-317=24543-60×8=63379+359-496=242466-213-118=135403-319-58=26487-(15+391)=81442-31=411486-(218-162)=430769-23×9=562829+(969-247)=1551367×2=734418-190+16=244155+184-93=24664+(369-60)=373362-173=189101+608+77=786203+149=352431-(205+31)=195579×9-597=4614265+236+35=536455-(265-81)=271633+739=1372982-(735-415)=662601×(367-363)=2404587×9-576=4707548-66-357=125232+263+307=802496-301+179=374416+237+308=961583-78×3=349497-143×3=68118-33=85228×4-757=155217+270+432=919416-158-69=189487×2=974958+330×2=161896×2+461=653175+63+727=9653/6-1/6=2/6414-(286-180)=308197×4-525=263350+(535-297)=588809×(62-53)=7281324+863=1187175+363×2=901381+33+524=938722-193=529258+101×2=460161×6-648=3183/8+2/8=5/8366-(13+255)=98797-24×9=581787-146-37=604851-(613-53)=291395-108=287341+82×2=505853+63×8=135716×4+208=27261+860+465=1386742-88=654922-114=808182×4-668=60454-23×6=316133-102=31343-(21+247)=75214-28×5=74578×5=2890330+(248-58)=520170×2-152=188119+154×4=735356+142-135=363822-380×2=62543×4=2172145-34=111259-(81+70)=108309-(472-269)=106249+521-443=327181-171=10679+321-206=79426×(447-441)=156916+484-317=1083920×8=7360136×3+335=743717-306=411186×(56-53)=558673-(55+69)=549232×2+815=1279699+472+75=124648+53×9=525573-(870-400)=103441-168-55=218102+(463-400)=165499-381+197=315291+557+113=961310×8=2480113×6=678280×(874-868)=1680210×4+871=1711449+46-342=153833-67×2=699417+640+762=1819398×2+439=1235916-(747-285)=454206+152×5=966781×5=3905423×8-655=2729496-71+60=485463-186-105=172936×(250-247)=2808357-310+186=233866-180+909=1595965-46×7=643579-92×5=119949-(893-730)=786408×3-188=1036331+822+461=1614434+(202-174)=462426-115×3=81180+281=461390×2-653=127491×2=982521-28×2=465908×3=272499+731-58=772617-74×6=173971-441-21=509670-(458+22)=190154×6=924357-(321-206)=24276+403+384=8631/6+4/6=5/6211+836-56=99173×3=219108+202=310196×2+488=880103+564=66715×5=7591×2+161=343282-164=118400-225=175611×3-464=13691/7+2/7=3/7163+(435-370)=22890+300=390348+673=1