三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦

三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦267-57×2=256+75=433-(29+136)=990-47=330-(401-285)=133+(360-123)=292×(154-148)=663×7-831=397-232=245-(453-410)=641×2-653=318-(385-286)=418-(136+253)=719-102×5=328-101-226=835-(194+476)=429-381+79=398-331+101=677-(228+374)=490-253+66=103×9-564=844-187-428=545-(211+281)=450-108×2=619+100+398=490-45-341=546+615-434=887+149×5=19+100×6=433×(363-358)=93×(483-478)=23×8-121=896-140×3=340-72×3=371-(332-32)=394-37×9=401×2+341=815-687+560=2/6-1/6=924+432-248=536×(298-291)=480-454+58=421+317=993-48×2=495-448=558×(760-752)=616+31×6=553×9-768=62+207=711-184+783=671-111-209=17×7=495-(189+81)=954×(82-74)=268+117=269-160+365=2/6+3/6=87×(78-74)=4/8-2/8=90+222=371+765=86×5-214=317+189+442=833+864+654=160×6-366=814×3=958×(534-530)=218+112-306=671-16×4=5/8+2/8=178+114+586=206+401+73=883×(690-686)=872-463=40+(453-279)=454-346+61=680+610=442-(591-562)=332-15×4=264×6-337=434+(429-46)=313-(247+26)=193+79=556+68+332=969-(75+30)=609×9-686=4/6-1/6=386+(783-594)=220×2+553=37×(381-373)=97×2-107=288+151=497+180×4=264+135=854-(630-210)=200+324×3=894-(111+325)=470-90-142=95-(314-236)=495-47×8=1/5+3/5=440-(378-24)=109×3+417=187+(253-197)=777-428+77=724×7-292=212-161+144=399-(390-244)=211+(479-19)=375-74-239=252-(77+38)=496+(465-411)=480-100×2=518+(801-32)=822-454+536=30+78=573-100×2=436-73-322=214-158=35×6=545+734+728=995-(454-212)=274×2=581-560+757=213+39=143×7-577=900-(565+129)=728+78+232=943+688=72+653+746=387-80=1/6+2/6=412-33=625+124=93+(488-230)=274+103=357+94=43×4=739×8=292-(82+201)=369-20×5=154+44=77+132×4=303+165-110=319×(454-451)=377×2=109-47×2=950-148-15=976-(820-673)=814-(477+46)=7/9+2/9=923-(285+392)=232-109-115=960+(974-392)=230×7=630-(890-429)=184×4-696=111×7+903=159-65=3/8+2/8=311×3-680=149-105+230=158×3=639-222-365=557-190-332=250+374-338=103×(875-872)=983+975+179=270+65+754=393+125×3=210+(150-25)=418+(144-127)=131+346-355=472+58+224=801-138×2=103×6=915-277-479=404+403-561=892×(224-219)=461+44+450=625+35+296=18×9-106=338-188+213=960+376×2=535-(251+274)=884+(366-29)=832-617=254+(929-643)=114-16+362=36+114-99=165-154+306=256-(532-509)=210×(410-407)=919-164-150=860+(543-44)=493-355=4/8-1/8=102+330-109=52×6+804=375-157-214=974+(439-115)=788+20+217=348-(923-854)=752+65×8=864-28=374+53+434=269-69×3=112-13=137+279×3=353×(643-638)=773-(680+15)=169+(311-167)=61+475+984=826×4-298=515-32×8=451-178×2=216×3=388-(301-58)=77×3+96=688+140-252=98+202=95+351-134=21×5+211=93-(302-254)=148×(431-426)=266-76+85=563-313+454=211+76=428×(282-275)=256-16×6=383+(478-109)=153×3=809-85×8=178×5-670=198-(180+10)=302-(247+47)=407-191=417+(909-557)=493-(471-370)=437+998-259=19×(207-202)=204+397+76=764×(577-574)=673-596+518=174-19×8=299×3=675+(278-205)=982-201-561=359-158=146-48×3=110-73+392=373+443-738=903-294×3=217×2=441×5=152×5-275=346-(119+147)=394-57×5=903×9-302=860-(476+263)=228-33×3=213-69-74=214+149×3=465+(453-391)=452-227=282-(311-242)=465-(157+12)=463-71=125+(458-116)=637+946-639=138×2+399=457-302+208=392-363-19=454-75-106=413+233+326=869-40×7=236-62+126=915-621=54×8=464-319+668=188-39×3=260-(322-119)=271×7=291-164-20=906-309+56=746-(460+192)=203-(74+100)=287-(145+118)=797+546-453=11×(236-228)=238×3=795×6-991=882-208×2=867-558=279+(241-187)=737×4=988-841+401=405+850=125+71=195×3+994=29×7+428=911+386=471-(408-298)=80×(191-185)=475-(197+131)=419-(125-71)=322-(15+150)=304-85+630=299×4-652=918-113×2=282×2=801-179-104=82×9-85=281+181+963=91+136-202=180+400+217=847×(778-774)=430-(78+87)=1/7+3/7=106×3+165=969-172=841-350-164=451-(20+189)=4/5-1/5=275-47×3=1/4+2/4=393+87-337=889+(841-174)=293+975+709=855-(328+322)=406-46×7=2/5-1/5=76×(127-123)=816+274-394=500-271-119=113×4=135+776-835=235-53=572×8-73=741-672+569=841-(144+361)=87+220=689-330+153=792+235+35=663+150=884-(119+746)=454-(808-783)=380-43=844-(944-821)=423-125×3=295+122+454=824+(873-368)=263×4-438=349-347+189=190+63+333=280×4=402×2=697×5-570=183+145-301=63+352=173+657+764=192+156-251=328-(418-137)=260-(111+125)=350-236-60=74×(473-466)=433-(286-209)=409+84-350=413×6-419=362+947+809=133-80-43=881-731+65=706×5=865+740-188=450-255=223+184=443-(469-172)=709+371×2=982-852+79=476-76-72=778-286=828×2-772=99+(498-209)=139+46+459=748-681+494=938-501-368=470-81×5=815-256-344=493+80+73=107+(647-445)=434-392-14=648+209=44+674+209=388×2+35=405-170×2=920+845-446=328+(908-832)=468+(481-120)=623-472+99=148+(362-147)=182+258=450-(119-41)=181+(491-241)=826-(303+138)=661+528=940×(392-387)=875-115-739=261×3-628=172×(124-120)=951-613-237=118+288=411×2=745-585=509-(363+118)=431-(717-664)=66+111+749=598×2-680=836-16×5=430+55-397=101+73+417=136-32=351-139=332-(112+80)=381+19-329=596-77=443+(354-44)=17+314-50=471-21×5=737-508-44=106×9=834-(941-297)=354×4=248+(419-80)=124×3-147=200+80-241=71+(726-305)=313×3+510=140-(474-384)=126-14×8=156+85×8=272+708=127+176-273=485-240=53×5=364×9=954+627+130=118-79+286=74×2-56=969×6=54+412+417=819-249+15=467-77=386-100×2=17×5+98=493+(437-221)=59×(422-419)=194×9=884+251×2=450-323=439-404-11=410-156=208×4-576=787-(899-557)=315+520-435=116-(191-176)=1/3+2/3=615×(297-290)=245+210×4=90+151+100=3/5-1/5=81×3=63+312=493-(430-295)=336-126=781-477-135=488-381+144=922+192=461+445=26×(226-217)=46×(449-440)=423-310=426-(86+192)=285+389+130=82×8=768-682+77=2/5+3/5=85-22×2=84-(273-247)=76×8-95=919-99×2=488-(126+55)=379-15×7=907-(720+162)=282+691=631+352×2=388-(183-51)=36×(210-207)=73×7+920=109-15+116=662-(210+201)=3/6-2/6=842+646=461-65-369=443-66×5=428-316=469-(164+246)=983-818=556-538=152-149+103=225+76+407=131×(256-252)=954-(20+357)=965×3=104×4=857-156-525=375×2-610=270+82=33×3+294=212+(331-176)=958-757=487×(137-133)=195+528+31=331+49×3=835-61+399=494-223-150=98-(291-274)=832-147×4=79+99×9=613+43-62=312+18-104=348+587+15=830×6-348=302+344+329=113×7=207+542=927-378-110=74×5+638=214+809-196=751+844-958=586-46-121=198-(436-257)=380+604+641=28+749-196=864×(997-992)=58×8-424=274×6=259+224-36=69×2+609=383-46-331=379-(72+55)=872-(727-130)=111×9=178+148-208=796-452=429+91×2=930+(671-362)=101+153×2=3/7-2/7=25×7-168=735×2-981=369+92-331=52×(15-10)=197×2-123=893-60×8=354-48=168+403=273×3-527=41+(351-169)=843-475=490-123+111=476+(988-647)=290×3=16+62×5=59×4-88=344-77-201=452-111-217=192+149=808-177=335-129-10=940×(895-886)=873×8-994=444-117×3=1/7+2/7=25×2=265+87×8=444-237-11=237-(331-145)=75-(78-70)=155×3+993=438×2+104=172+193=385-41×4=434-(269+143)=993-741-197=533×(840-836)=28-(143-129)=312+(425-418)=838-571+78=224+677-864=250-(27+162)=275-137=296-146-26=668+374×2=794-329-23=66+128=14×(250-243)=452-89+18=291-22×8=214×2=886-238-352=322×2-609=701+124×3=173×3=482-(737-734)=349+63-18=324-34×8=453+161+131=157+402=890-(222+265)=704+482+989=104×4+18=159×(332-329)=539-(944-712)=206+(386-275)=752-486=208+138=3/9-1/9=351-42-136=273-44×5=264×2+469=2/7+3/7=360+10×5=933+921+311=139+(588-25)=777-700=321×2=666+938=101×6+365=387-266+205=555×6=141×4=936-351+83=429+406+979=293-(670-489)=178×(391-383)=635-140×4=58×(124-120)=601+(580-518)=69×(315-309)=987-812=398-55=684-(628-511)=29+342-296=499+(447-143)=494-408+13=872×5-410=546×2=372-147=110+(289-211)=323+71=899-(361+426)=832+603-417=469-278+153=906-(824-698)=11+211+419=945-114-73=637+281+186=90×6-38=783+470+401=892-51×9=264-(220+21)=978-(884-439)=401-43×4=140×5-294=817-(503+61)=174+91-204=189-(14+88)=516+548+833=283+(463-351)=772-44×2=157+(783-385)=479-131-32=99+241-339=561-415=46+135+655=115×(46-40)=421-(217+144)=176+210×2=470-273+230=323×3-796=767-(492-390)=492×(507-504)=46+887+40=644+822-759=624-574=199+148+271=323×6=343-(157+13)=209×3=231-50=895×(127-118)=66×(182-177)=164×(32-27)=424×6-147=50-36=37-(437-405)=180×(368-363)=770×2-34=122+179=132×3=622-(609-198)=2/4-1/4=157+194=50×4+486=282-(371-159)=229-122+299=334-144-30=363×9=850-(478-118)=351-84=641+(975-662)=16+238-49=59×(277-274)=230×(547-539)=19+321+95=247-25×7=10+776-783=352-(74+86)=392×(431-428)=464-166×2=83+375-16=737-(95+308)=468-53-123=233×2+648=18+241×2=41×3=494-(74+88)=389-111-112=808-306=648-41+987=898+614=833+36+563=213+211=591-78+229=354×5-937=333×3=111+322=488-(38+211)=133+209=123+494=490-337=791×(324-317)=197+29+312=323-178-96=658+(742-666)=321-(77+110)=335-34-135=179+540=703×6-236=994-846=201+194+566=877-579+193=92+46=461×(375-372)=661-513=154×4-203=47+344-273=185-(145-140)=244×(458-455)=194+291=864-712-130=304-165=355-96-57=521-291+908=155×5=504-(943-781)=458-428+375=500+(518-510)=412+59-437=149×5-563=141+436-66=509+(681-456)=3/10-2/10=675-(25+539)=294×2=82+335+57=318×2=411-42×8=481+(307-45)=173×3-196=167+(245-198)=118×3+377=618-403+781=238-17=293+98-320=394-131×2=245+(620-146)=676-(747-208)=183+134=439-(333-262)=367×8-877=61+133×6=896-295+710=154-37+134=411-133=129×4+974=401-(495-412)=22×(181-178)=152×4+74=785+177-107=300+(908-237)=434-(497-404)=881×4-777=187×4-300=820×(852-844)=788+(639-433)=367+(138-59)=147-(168-117)=99×(300-297)=873×(234-230)=99×9-394=132+82=315+782-932=897×9=969-241×4=259+29×7=513×9-827=113×(229-226)=258-233+135=623+761-643=438+153+274=21×2+82=184+265+932=168-(49+90)=791×8=67+327=522-100×3=379+455-516=176+37-79=310-(129+63)=27+(650-54)=179-155+227=724-449-196=527×(646-642)=90×4=205×2+427=500×9=558×8=390-44+28=105+339×2=281×3-403=66+219=137-11×7=337-169=114+(404-93)=492-226-173=814+59-608=334-(28+239)=187-105-73=739+685+540=218+181-215=346+(453-298)=234-(641-422)=598+614-100=參考答案267-57×2=153256+75=331433-(29+136)=268990-47=943330-(401-285)=214133+(360-123)=370292×(154-148)=1752663×7-831=3810397-232=165245-(453-410)=202641×2-653=629318-(385-286)=219418-(136+253)=29719-102×5=209328-101-226=1835-(194+476)=165429-381+79=127398-331+101=168677-(228+374)=75490-253+66=303103×9-564=363844-187-428=229545-(211+281)=53450-108×2=234619+100+398=1117490-45-341=104546+615-434=727887+149×5=163219+100×6=619433×(363-358)=216593×(483-478)=46523×8-121=63896-140×3=476340-72×3=124371-(332-32)=71394-37×9=61401×2+341=1143815-687+560=6882/6-1/6=1/6924+432-248=1108536×(298-291)=3752480-454+58=84421+317=738993-48×2=897495-448=47558×(760-752)=4464616+31×6=802553×9-768=420962+207=269711-184+783=1310671-111-209=35117×7=119495-(189+81)=225954×(82-74)=7632268+117=385269-160+365=4742/6+3/6=5/687×(78-74)=3484/8-2/8=2/890+222=312371+765=113686×5-214=216317+189+442=948833+864+654=2351160×6-366=594814×3=2442958×(534-530)=3832218+112-306=24671-16×4=6075/8+2/8=7/8178+114+586=878206+401+73=680883×(690-686)=3532872-463=40940+(453-279)=214454-346+61=169680+610=1290442-(591-562)=413332-15×4=272264×6-337=1247434+(429-46)=817313-(247+26)=40193+79=272556+68+332=956969-(75+30)=864609×9-686=47954/6-1/6=3/6386+(783-594)=575220×2+553=99337×(381-373)=29697×2-107=87288+151=439497+180×4=1217264+135=399854-(630-210)=434200+324×3=1172894-(111+325)=458470-90-142=23895-(314-236)=17495-47×8=1191/5+3/5=4/5440-(378-24)=86109×3+417=744187+(253-197)=243777-428+77=426724×7-292=4776212-161+144=195399-(390-244)=253211+(479-19)=671375-74-239=62252-(77+38)=137496+(465-411)=550480-100×2=280518+(801-32)=1287822-454+536=90430+78=108573-100×2=373436-73-322=41214-158=5635×6=210545+734+728=2007995-(454-212)=753274×2=548581-560+757=778213+39=252143×7-577=424900-(565+129)=206728+78+232=1038943+688=163172+653+746=1471387-80=3071/6+2/6=3/6412-33=379625+124=74993+(488-230)=351274+103=377357+94=45143×4=172739×8=5912292-(82+201)=9369-20×5=269154+44=19877+132×4=605303+165-110=358319×(454-451)=957377×2=754109-47×2=15950-148-15=787976-(820-673)=829814-(477+46)=2917/9+2/9=1923-(285+392)=246232-109-115=8960+(974-392)=1542230×7=1610630-(890-429)=169184×4-696=40111×7+903=1680159-65=943/8+2/8=5/8311×3-680=253149-105+230=274158×3=474639-222-365=52557-190-332=35250+374-338=286103×(875-872)=309983+975+179=2137270+65+754=1089393+125×3=768210+(150-25)=335418+(144-127)=435131+346-355=122472+58+224=754801-138×2=525103×6=618915-277-479=159404+403-561=246892×(224-219)=4460461+44+450=955625+35+296=95618×9-106=56338-188+213=363960+376×2=1712535-(251+274)=10884+(366-29)=1221832-617=215254+(929-643)=540114-16+362=46036+114-99=51165-154+306=317256-(532-509)=233210×(410-407)=630919-164-150=605860+(543-44)=1359493-355=1384/8-1/8=3/8102+330-109=32352×6+804=1116375-157-214=4974+(439-115)=1298788+20+217=1025348-(923-854)=279752+65×8=1272864-28=836374+53+434=861269-69×3=62112-13=99137+279×3=974353×(643-638)=1765773-(680+15)=78169+(311-167)=31361+475+984=1520826×4-298=3006515-32×8=259451-178×2=95216×3=648388-(301-58)=14577×3+96=327688+140-252=57698+202=30095+351-134=31221×5+211=31693-(302-254)=45148×(431-426)=740266-76+85=275563-313+454=704211+76=287428×(282-275)=2996256-16×6=160383+(478-109)=752153×3=459809-85×8=129178×5-670=220198-(180+10)=8302-(247+47)=8407-191=216417+(909-557)=769493-(471-370)=392437+998-259=117619×(207-202)=95204+397+76=677764×(577-574)=2292673-596+518=595174-19×8=22299×3=897675+(278-205)=748982-201-561=220359-158=201146-48×3=2110-73+392=429373+443-738=78903-294×3=21217×2=434441×5=2205152×5-275=485346-(119+147)=80394-57×5=109903×9-302=7825860-(476+263)=121228-33×3=129213-69-74=70214+149×3=661465+(453-391)=527452-227=225282-(311-242)=213465-(157+12)=296463-71=392125+(458-116)=467637+946-639=944138×2+399=675457-302+208=363392-363-19=10454-75-106=273413+233+326=972869-40×7=589236-62+126=300915-621=29454×8=432464-319+668=813188-39×3=71260-(322-119)=57271×7=1897291-164-20=107906-309+56=653746-(460+192)=94203-(74+100)=29287-(145+118)=24797+546-453=89011×(236-228)=88238×3=714795×6-991=3779882-208×2=466867-558=309279+(241-187)=333737×4=2948988-841+401=548405+850=1255125+71=196195×3+994=157929×7+428=631911+386=1297471-(408-298)=36180×(191-185)=480475-(197+131)=147419-(125-71)=365322-(15+150)=157304-85+630=849299×4-652=544918-113×2=692282×2=564801-179-104=51882×9-85=653281+181+963=142591+136-202=25180+400+217=797847×(778-774)=3388430-(78+87)=2651/7+3/7=4/7106×3+165=483969-172=797841-350-164=327451-(20+189)=2424/5-1/5=3/5275-47×3=1341/4+2/4=3/4393+87-337=143889+(841-174)=1556293+975+709=1977855-(328+322)=205406-46×7=842/5-1/5=1/576×(127-123)=304816+274-394=696500-271-119=110113×4=452135+776-835=76235-53=182572×8-73=4503741-672+569=638841-(144+361)=33687+220=307689-330+153=512792+235+35=1062663+150=813884-(119+746)=19454-(808-783)=429380-43=337844-(944-821)=721423-125×3=48295+122+454=871824+(873-368)=1329263×4-438=614349-347+189=191190+63+333=586280×4=1120402×2=804697×5-570=2915183+145-301=2763+352=415173+657+764=1594192+156-251=97328-(418-137)=47260-(111+125)=24350-236-60=5474×(473-466)=518433-(286-209)=356409+84-350=143413×6-419=2059362+947+809=2118133-80-43=10881-731+65=215706×5=3530865+740-188=1417450-255=195223+184=407443-(469-172)=146709+371×2=1451982-852+79=209476-76-72=328778-286=492828×2-772=88499+(498-209)=388139+46+459=644748-681+494=561938-501-368=69470-81×5=65815-256-344=215493+80+73=646107+(647-445)=309434-392-14=28648+209=85744+674+209=927388×2+35=811405-170×2=65920+845-446=1319328+(908-832)=404468+(481-120)=829623-472+99=250148+(362-147)=363182+258=440450-(119-41)=372181+(491-241)=431826-(303+138)=385661+528=1189940×(392-387)=4700875-115-739=21261×3-628=155172×(124-120)=688951-613-237=101118+288=406411×2=822745-585=160509-(363+118)=28431-(717-664)=37866+111+749=926598×2-680=516836-16×5=756430+55-397=88101+73+417=591136-32=104351-139=212332-(112+80)=140381+19-329=71596-77=519443+(354-44)=75317+314-50=281471-21×5=366737-508-44=185106×9=954834-(941-297)=190354×4=1416248+(419-80)=587124×3-147=225200+80-241=3971+(726-305)=492313×3+510=1449140-(474-384)=50126-14×8=14156+85×8=836272+708=980127+176-273=30485-240=24553×5=265364×9=3276954+627+130=1711118-79+286=32574×2-56=92969×6=581454+412+417=883819-249+15=585467-77=390386-100×2=18617×5+98=183493+(437-221)=70959×(422-419)=177194×9=1746884+251×2=1386450-323=127439-404-11=24410-156=254208×4-576=256787-(899-557)=445315+520-435=400116-(191-176)=1011/3+2/3=1615×(297-290)=4305245+210×4=108590+151+100=3413/5-1/5=2/581×3=24363+312=375493-(430-295)=358336-126=210781-477-135=169488-381+144=251922+192=1114461+445=90626×(226-217)=23446×(449-440)=414423-310=113426-(86+192)=148285+389+130=80482×8=656768-682+77=1632/5+3/5=185-22×2=4184-(273-247)=5876×8-95=513919-99×2=721488-(126+55)=307379-15×7=274907-(720+162)=25282+691=973631+352×2=1335388-(183-51)=25636×(210-207)=10873×7+920=1431109-15+116=210662-(210+201)=2513/6-2/6=1/6842+646=1488461-65-369=27443-66×5=113428-316=112469-(164+246)=59983-818=165556-538=18152-149+103=106225+76+407=708131×(256-252)=524954-(20+357)=577965×3=2895104×4=416857-156-525=176375×2-610=140270+82=35233×3+294=393212+(331-176)=367958-757=201487×(137-133)=1948195+528+31=754331+49×3=478835-61+399=1173494-223-150=12198-(291-274)=81832-147×4=24479+99×9=970613+43-62=594312+18-104=226348+587+15=950830×6-348=4632302+344+329=975113×7=791207+542=749927-378-110=43974×5+638=1008214+809-196=827751+844-958=637586-46-121=419198-(436-257)=19380+604+641=162528+749-196=581864×(997-992)=432058×8-424=40274×6=1644259+224-36=44769×2+609=747383-46-331=6379-(72+55)=252872-(727-130)=275111×9=999178+148-208=118796-452=344429+91×2=611930+(671-362)=1239101+153×2=4073/7-2/7=1/725×7-168=7735×2-981=489369+92-331=13052×(15-10)=260197×2-123=271893-60×8=413354-48=306168+403=571273×3-527=29241+(351-169)=223843-475=368490-123+111=478476+(988-647)=817290×3=87016+62×5=32659×4-88=148344-77-201=66452-111-217=124192+149=341808-177=631335-129-10=196940×(895-886)=8460873×8-994=5990444-117×3=931/7+2/7=3/725×2=50265+87×8=961444-237-11=196237-(331-145)=5175-(78-70)=67155×3+993=1458438×2+104=980172+193=365385-41×4=221434-(269+143)=22993-741-197=55533×(840-836)=213228-(143-129)=14312+(425-418)=319838-571+78=345224+677-864=37250-(27+162)=61275-137=138296-146-26=124668+374×2=1416794-329-23=44266+128=19414×(250-243)=98452-89+18=381291-22×8=115214×2=428886-238-352=296322×2-609=35701+124×3=1073173×3=519482-(737-734)=479349+63-18=394324-34×8=52453+161+131=745157+402=559890-(222+265)=403704+482+989=2175104×4+18=434159×(332-329)=477539-(944-712)=307206+(386-275)=317752-486=266208+138=3463/9-1/9=2/9351-42-136=173273-44×5=53264×2+469=9972/7+3/7=5/7360+10×5=410933+921+311=2165139+(588-25)=702777-700=77321×2=642666+938=1604101×6+365=971387-266+205=326555×6=3330141×4=564936-351+83=668429+406+979=1814293-(670-489)=112178×(391-383)=1424635-140×4=7558×(124-120)=232601+(580-518)=66369×(315-309)=414987-812=175398-55=343684-(628-511)=56729+342-296=75499+(447-143)=803494-408+13=99872×5-410=3950546×2=1092372-147=225110+(289-211)=188323+71=394899-(361+426)=112832+603-417=1018469-278+153=344906-(824-698)=78011+211+419=641945-114-73=758637+281+186=110490×6-38=502783+470+401=1654892-51×9=433264-(220+21)=23978-(884-439)=533401-43×4=229140×5-294=406817-(503+61)=253174+91-204=61189-(14+88)=87516+548+833=1897283+(463-351)=395772-44×2=684157+(783-385)=555479-131-32=31699+241-339=1561-415=14646+135+655=836115×(46-40)=690421-(217+144)=60176+210×2=596470-273+230=427323×3-796=173767-(492-390)=665492×(507-504)=147646+887+40=973644+822-759=707624-574=50199+148+271=618323×6=1938343-(157+13)=173209×3=627231-50=181895×(127-118)=805566×(182-177)=330164×(32-27)=820424×6-147=239750-36=1437-(437-405)=5180×(368-363)=900770×2-34=1506122+179=301132×3=396622-(609-198)=2112/4-1/4