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150+238+552=422-(134+30)=792-560-57=129×(134-128)=956+131-919=29×3+720=826×7-163=796+134-420=255-39+673=126+(176-114)=852×2-211=628×7=403-(490-292)=84-(144-135)=441+36-301=14×9+242=436-389=215+241=641-120-301=60×8-476=244×4=10+(190-128)=88+42×4=195×5=16+223+745=234+(485-44)=250+138=457-53-383=141+(68-26)=290-288+183=852-121×2=441+962=54+119-35=803-618=487-370+361=91×7-172=529-14=774+717-511=881-171×5=358-254+98=644×9-310=328×2=259-169=32-(252-230)=221+250+49=415-(386-120)=447+175+280=550-(320+56)=638-350-153=207-198+878=584+(680-394)=248-234=149-142+180=374-(983-917)=65+96+738=731-327+746=443-225-176=991-555=322-174=488-142=720-(428+42)=548-(314-213)=732-35×6=61×9=480-(14+296)=391×7-530=241-(201+18)=998-(188+523)=348-152+146=107+561=391×9-790=149×2+486=214+53=789-(753-524)=940-488=996-436+156=477-138×2=395-(352+38)=124×2+448=111+(304-211)=7/9+2/9=832+41-279=384-178+21=863×9=787+931+391=6/9+2/9=350-(196+103)=882+954+917=210+278×3=330×2+713=152×6-198=298×2=451+(188-137)=223-104-83=220+256+355=437-(925-630)=300-(754-557)=849×(948-941)=45×3+351=728-19×3=992-61-837=265+222+251=313+854+817=126×4=250+387×2=946-169×2=234×(423-419)=405+571+930=534-(275+90)=316+155=191-52=622+785+951=485-337-131=867-577+426=177+304+200=581-(58+237)=342-202-76=729-(479+92)=703-23=91×(235-230)=579×9-688=773+(912-453)=397-(180+179)=756-310×2=357+82-45=191×5-422=809+72×4=330+65-165=624-(995-408)=841-70=481×3=287+(794-768)=400-203-136=753+(374-209)=343-224=189-13-125=460-(479-191)=206-47×4=179+(119-97)=401×(42-39)=262×2+156=159-(360-239)=135+49×6=364-21-343=45×4-26=885+604-617=337-308+252=371+(931-168)=326-(148+41)=452-(146+254)=281+381+419=555+(400-296)=45×(776-773)=584+544+831=514+484-334=398+51-393=205+796+215=799×2-50=100×3=111+76-178=249-26-86=149+145=484-148=758-10=315×8=433+41-177=6/8-1/8=435-(271-128)=223+(816-443)=82+347=1/6+3/6=730+346-103=126+(786-353)=371-(14+286)=642-71×7=394×2+809=280×5-636=375+58×6=441-34×5=300+248+238=364-147=348+308=2/3-1/3=905-719+780=397×2=325+71=141+163=746-81×7=81×(27-20)=404-(133+227)=932-(41+773)=686-(988-754)=166×4-56=194×4+168=674-15-491=359×2=565+86+55=916-631-188=451-308+330=151×5=534×8=383-(11+205)=726×(944-935)=230+168=93+346-267=104×7+958=553+(144-128)=161+302-38=432×2-279=394-(699-561)=166×6-300=108×(94-86)=188-33+148=305+122=162+(449-167)=916+434-32=87-11×5=40-25+469=337+(813-63)=351-44=453-(87+126)=813×(978-970)=62×7=366+452+203=309+236×2=202-47×3=552+237×3=302+207+395=893×6-258=239×2+265=478-297=842-(38+494)=333×(504-497)=359-15×5=4/8+3/8=279-241+258=204+50×3=258-129+271=180×4=162×3+404=30×5-50=921-280=335-31×6=36×(446-440)=113-(165-125)=191-84-56=56+(392-313)=703×(713-709)=4/7-1/7=163×5+815=60×2=638+(454-171)=808+(399-61)=749+232=528×4=623×7-541=34×6=969-463×2=198+235+210=2/10+4/10=194+955-49=861+142-154=247-19×5=169×7-271=542+365+437=599-195+657=484-97×4=338-(486-231)=55×7=828-(675-459)=868×(247-241)=396-(237+153)=124+(472-468)=837-112-655=141+228=301×(797-794)=50×(347-343)=220+486=520×9-556=494-(293-243)=234-(340-231)=362+(431-124)=949×(353-347)=392-32×8=692-33-615=653-(261+113)=55×2=64-40=236-194+205=515+413-677=430-(377+31)=443+(476-64)=435-294-41=198×4=498+(283-250)=158-18×5=618-478=369-(303-179)=401-319-66=298×3-113=444-22-154=39+(498-290)=421-(122+233)=291-10×8=57+258-241=653-21-151=521-(782-310)=532-416=391-(116+75)=51+137+757=532-45+177=898-(724-22)=784-142+429=715×(94-86)=311-(131+101)=793+893=275-15×8=159×4+164=199+266=491-(370+82)=343+670-31=93+(382-155)=71+59+152=404-(171+56)=906-842=662-351+681=140+167=843-579+775=561+167+249=590+969-670=106×(257-254)=1/7+3/7=291+(296-99)=401+14×5=118×8=3/10-1/10=604×(39-31)=119+322=263×8-937=2/7-1/7=63+50=636-295=217+37-204=44×5=102×7+745=819-346=454-16-240=992+804-572=95×(63-55)=658-583=318-99-57=301+748+753=398-232=384+25+957=345-(640-431)=440+214+106=499-409+383=462-198=22×(495-487)=3/6-2/6=371×2=198×7=360-48-235=38+281-191=92×4-317=110×2+901=256-176=22×(356-347)=779+239×4=476-409+423=16+118×2=334+28+435=159+998-334=489-11×9=645+(648-116)=178+179-193=569+(775-722)=399-(136+125)=659×9=305-72×3=736+650+577=351+110=230+22-53=281×3-464=128-(311-244)=561+283-121=452-316+109=383-111+38=440+(324-76)=583+271=5/7-2/7=939+87+624=373-(113+70)=201-185=249-52×4=3/6+2/6=148×2=16×8=218+(367-170)=80×(37-32)=211-209+104=390×7-944=363+(56-42)=254+(430-353)=72×7=797-88×9=868+440+544=68×5-59=859×(341-335)=367-(470-246)=329×2+143=674+45×7=133×4=448×2=227-226+320=306-234-30=454-212-127=301-124-88=398+271=106×3=645-174×3=877×8=909-514=341+(44-39)=673-117×2=68×7=118+134-222=472+884-202=91×2=439-425=508-242-60=121×(193-188)=167+981=930-(163-83)=372+368+42=359-17×5=362-12×6=249-130-19=405+(600-534)=807×2-729=469-260+924=372-(479-166)=160×(490-485)=57×8-92=588×5-843=365-27×5=310×3-633=215×5=49+285=545+338=805×8-333=363-210-53=195-11×2=373+562+638=20+445-248=46+125+727=275-177=457-(199-95)=495-45+306=251-(348-248)=634-122-132=901+764=932-(893-211)=34-17×2=771×(65-59)=53×8-267=92×8=110×(509-505)=4/6-1/6=842-414×2=105+11×2=270+294-134=152×3-285=231×9-622=484-39-375=175+(285-79)=500-160-143=2/6+3/6=611+124=480×2-247=215+311+220=22×2=339-60×4=438-129-282=314+461=612-438+644=168×3+408=64-(223-210)=629-327-278=437+(350-335)=35×(993-990)=386-82+95=804-694=48+257=423+50+272=220+185=56×8=454-27×9=294+622-680=460-445+384=306×(873-867)=356-26×8=248×6-708=992×5=721×7-463=332-232=804-602+932=753+(741-659)=239×3-35=280-(126+16)=459-44×3=109×(465-459)=10×2+421=737-334=197+240-237=63×7-148=584+81+115=249+82=918-(714+199)=816×(87-84)=957-18×4=317+724-928=996-537=404+438=92×3=420-267+490=844-(125+645)=889+237=310-(592-323)=372-(654-594)=457+287=107×9+708=251+116-25=745-(756-334)=575-46×7=627×(540-537)=191+381×2=199+276-110=29×2+551=831-583-62=27×8+212=411-(462-158)=287+129-329=784×5-606=359+356+941=434-(121+174)=154×(259-253)=16×(170-161)=125×(237-234)=754-545+784=14×(438-435)=507+82×7=242+(788-547)=158-(186-129)=849-10-135=627-(30+218)=69×8-545=454-(208+231)=3/5-1/5=380-319=403×2+350=334+(771-211)=217×(267-264)=414-140+503=11+413+59=199+95×8=165-53+226=237+136+22=462-181=463+52×5=280×(178-175)=128×6-661=97×2=124+475+367=532+253×2=201×2-21=817×(547-541)=57+396-256=94-(260-214)=196×9=217×(432-428)=312-131=22+259-161=963-(761-610)=365-(99+250)=277+212=429-141=157+997+830=252+815-856=991-(804+125)=446-(260+61)=306-45×4=645-210+262=297+362+180=488-189+44=94×3+379=383-243=774-493=435-154=686+105+99=70×(474-467)=267+91+48=343+(581-349)=582-192×2=869-(669-514)=159×4-239=708×6-709=49+187+390=34×(218-210)=468×7-535=605-(182+118)=105+28=125+358-146=134×6-101=550×7=822-87×7=31+575+863=319-(44+72)=485-(33-24)=18×(636-630)=815-95×2=479-197-165=506-438+714=949-126=760+642+711=346+80×5=20+(781-120)=295-80×2=587+(448-319)=784+(701-49)=66×3-99=344+964=99×9-502=909+733-260=323-10-195=185+382-513=546-172×2=398×2-436=956×(726-723)=312+384+75=372+459=817-178=379×7=753+376-186=810-35×2=487-(116+244)=683-468+151=990-(81+794)=201+433=312-118-90=103×(365-356)=929-(70+697)=638-330+495=872-506-276=838-(812-607)=278+112=773×6=578+709-450=268-(12+108)=881-(771+78)=109×(629-623)=63-47=56×2=735+647+389=811+(665-451)=208+152=115×2=342-(44+209)=72×5-224=954-(645+213)=508-403+37=146×3+124=807-(582+95)=429-(376-230)=437-87=348-89-126=175+283-166=299+88=107+383+480=19-(277-260)=265×2-239=561-293=224-(196-101)=823-(547-515)=128+(264-20)=1/5+4/5=410-100+20=846+976-638=814×9=601-(408-147)=56+141×6=783-137-640=817-167+476=322×(692-683)=73+104=343+(343-211)=847+255+830=276×(803-799)=322+129-297=377-91-152=211-99+364=86+(360-150)=285-27+206=900-123-74=726-336-80=456-(484-301)=260×(334-328)=946+754=491-50-289=389×6=716-90×5=682×2=575+367-751=162+(340-176)=464-237+110=595-258-184=487-412=450+485×2=476-54×4=589+835=33+26=183-91+614=232-(63+89)=741-(93+582)=446×2-811=32×7+370=615-(548-485)=231×4=297+302=473×3-178=178-(14+81)=281×9=892-76-541=191+(957-823)=902+(849-778)=198-21-154=341-92+185=819-(756-530)=83+147=157+322+332=955+(874-295)=385-113=222+112=316+464-118=40×(798-789)=464×2-324=339-(46+151)=541-(16+129)=661-33-536=694×3=159+110=283-(186-12)=265+92×7=2/5-1/5=654-(69+108)=304-(371-227)=5/8+2/8=132+306=593+994+293=271+519+162=177+251-278=160×3=524×7-614=749-706=647×7=837-(65+636)=316-(382-209)=803×9-649=552+861+416=129×4+178=364+(404-308)=84+216-210=277-122×2=93+403=300-244+233=644-(340+205)=125+208×3=155×4=520+177×3=75+371=384+106×5=444+124×4=940+61-551=727-(554+149)=490-195-137=437-107-87=599-127×4=349×2-256=993-39-655=159+336-441=211-22×2=84-13×4=933-108-565=334+104=459+(734-601)=5/9-2/9=473-26×5=995×(683-678)=7/9-1/9=395+63+283=53×(408-404)=311-100=469-(157-34)=215+743=142+115×5=817-(607-236)=255×3-391=890-269×3=678-(79+493)=999-198-313=406-230+194=412-266+94=215-85+90=398-(452-54)=257×(263-260)=497+(654-155)=17×9+32=138-(466-429)=762-28×5=948-184=143+115+610=458-183=132×4=255+107-342=894+913=40×(387-378)=386+91=722-(197+17)=1/6+4/6=430-(498-332)=704-642+995=725×(679-675)=368-241+259=108×(354-346)=372-29=145+(258-75)=33×(274-270)=314-29×5=729-217×2=262+109=990-613-56=880-55-301=655-20=648+682+261=176-(232-110)=972+58×3=378-130+324=918-541-81=13+(428-34)=878-(673-620)=360+853-110=83×4+688=16+(333-284)=530-135=26×5+312=478-99=473-34×2=133-37=71+114-105=1/3+2/3=442+59×2=467-13×7=348+(511-71)=59×(400-397)=参考答案150+238+552=940422-(134+30)=258792-560-57=175129×(134-128)=774956+131-919=16829×3+720=807826×7-163=5619796+134-420=510255-39+673=889126+(176-114)=188852×2-211=1493628×7=4396403-(490-292)=20584-(144-135)=75441+36-301=17614×9+242=368436-389=47215+241=456641-120-301=22060×8-476=4244×4=97610+(190-128)=7288+42×4=256195×5=97516+223+745=984234+(485-44)=675250+138=388457-53-383=21141+(68-26)=183290-288+183=185852-121×2=610441+962=140354+119-35=138803-618=185487-370+361=47891×7-172=465529-14=515774+717-511=980881-171×5=26358-254+98=202644×9-310=5486328×2=656259-169=9032-(252-230)=10221+250+49=520415-(386-120)=149447+175+280=902550-(320+56)=174638-350-153=135207-198+878=887584+(680-394)=870248-234=14149-142+180=187374-(983-917)=30865+96+738=899731-327+746=1150443-225-176=42991-555=436322-174=148488-142=346720-(428+42)=250548-(314-213)=447732-35×6=52261×9=549480-(14+296)=170391×7-530=2207241-(201+18)=22998-(188+523)=287348-152+146=342107+561=668391×9-790=2729149×2+486=784214+53=267789-(753-524)=560940-488=452996-436+156=716477-138×2=201395-(352+38)=5124×2+448=696111+(304-211)=2047/9+2/9=1832+41-279=594384-178+21=227863×9=7767787+931+391=21096/9+2/9=8/9350-(196+103)=51882+954+917=2753210+278×3=1044330×2+713=1373152×6-198=714298×2=596451+(188-137)=502223-104-83=36220+256+355=831437-(925-630)=142300-(754-557)=103849×(948-941)=594345×3+351=486728-19×3=671992-61-837=94265+222+251=738313+854+817=1984126×4=504250+387×2=1024946-169×2=608234×(423-419)=936405+571+930=1906534-(275+90)=169316+155=471191-52=139622+785+951=2358485-337-131=17867-577+426=716177+304+200=681581-(58+237)=286342-202-76=64729-(479+92)=158703-23=68091×(235-230)=455579×9-688=4523773+(912-453)=1232397-(180+179)=38756-310×2=136357+82-45=394191×5-422=533809+72×4=1097330+65-165=230624-(995-408)=37841-70=771481×3=1443287+(794-768)=313400-203-136=61753+(374-209)=918343-224=119189-13-125=51460-(479-191)=172206-47×4=18179+(119-97)=201401×(42-39)=1203262×2+156=680159-(360-239)=38135+49×6=429364-21-343=045×4-26=154885+604-617=872337-308+252=281371+(931-168)=1134326-(148+41)=137452-(146+254)=52281+381+419=1081555+(400-296)=65945×(776-773)=135584+544+831=1959514+484-334=664398+51-393=56205+796+215=1216799×2-50=1548100×3=300111+76-178=9249-26-86=137149+145=294484-148=336758-10=748315×8=2520433+41-177=2976/8-1/8=5/8435-(271-128)=292223+(816-443)=59682+347=4291/6+3/6=4/6730+346-103=973126+(786-353)=559371-(14+286)=71642-71×7=145394×2+809=1597280×5-636=764375+58×6=723441-34×5=271300+248+238=786364-147=217348+308=6562/3-1/3=1/3905-719+780=966397×2=794325+71=396141+163=304746-81×7=17981×(27-20)=567404-(133+227)=44932-(41+773)=118686-(988-754)=452166×4-56=608194×4+168=944674-15-491=168359×2=718565+86+55=706916-631-188=97451-308+330=473151×5=755534×8=4272383-(11+205)=167726×(944-935)=6534230+168=39893+346-267=172104×7+958=1686553+(144-128)=569161+302-38=425432×2-279=585394-(699-561)=256166×6-300=696108×(94-86)=864188-33+148=303305+122=427162+(449-167)=444916+434-32=131887-11×5=3240-25+469=484337+(813-63)=1087351-44=307453-(87+126)=240813×(978-970)=650462×7=434366+452+203=1021309+236×2=781202-47×3=61552+237×3=1263302+207+395=904893×6-258=5100239×2+265=743478-297=181842-(38+494)=310333×(504-497)=2331359-15×5=2844/8+3/8=7/8279-241+258=296204+50×3=354258-129+271=400180×4=720162×3+404=89030×5-50=100921-280=641335-31×6=14936×(446-440)=216113-(165-125)=73191-84-56=5156+(392-313)=135703×(713-709)=28124/7-1/7=3/7163×5+815=163060×2=120638+(454-171)=921808+(399-61)=1146749+232=981528×4=2112623×7-541=382034×6=204969-463×2=43198+235+210=6432/10+4/10=6/10194+955-49=1100861+142-154=849247-19×5=152169×7-271=912542+365+437=1344599-195+657=1061484-97×4=96338-(486-231)=8355×7=385828-(675-459)=612868×(247-241)=5208396-(237+153)=6124+(472-468)=128837-112-655=70141+228=369301×(797-794)=90350×(347-343)=200220+486=706520×9-556=4124494-(293-243)=444234-(340-231)=125362+(431-124)=669949×(353-347)=5694392-32×8=136692-33-615=44653-(261+113)=27955×2=11064-40=24236-194+205=247515+413-677=251430-(377+31)=22443+(476-64)=855435-294-41=100198×4=792498+(283-250)=531158-18×5=68618-478=140369-(303-179)=245401-319-66=16298×3-113=781444-22-154=26839+(498-290)=247421-(122+233)=66291-10×8=21157+258-241=74653-21-151=481521-(782-310)=49532-416=116391-(116+75)=20051+137+757=945532-45+177=664898-(724-22)=196784-142+429=1071715×(94-86)=5720311-(131+101)=79793+893=1686275-15×8=155159×4+164=800199+266=465491-(370+82)=39343+670-31=98293+(382-155)=32071+59+152=282404-(171+56)=177906-842=64662-351+681=992140+167=307843-579+775=1039561+167+249=977590+969-670=889106×(257-254)=3181/7+3/7=4/7291+(296-99)=488401+14×5=471118×8=9443/10-1/10=2/10604×(39-31)=4832119+322=441263×8-937=11672/7-1/7=1/763+50=113636-295=341217+37-204=5044×5=220102×7+745=1459819-346=473454-16-240=198992+804-572=122495×(63-55)=760658-583=75318-99-57=162301+748+753=1802398-232=166384+25+957=1366345-(640-431)=136440+214+106=760499-409+383=473462-198=26422×(495-487)=1763/6-2/6=1/6371×2=742198×7=1386360-48-235=7738+281-191=12892×4-317=51110×2+901=1121256-176=8022×(356-347)=198779+239×4=1735476-409+423=49016+118×2=252334+28+435=797159+998-334=823489-11×9=390645+(648-116)=1177178+179-193=164569+(775-722)=622399-(136+125)=138659×9=5931305-72×3=89736+650+577=1963351+110=461230+22-53=199281×3-464=379128-(311-244)=61561+283-121=723452-316+109=245383-111+38=310440+(324-76)=688583+271=8545/7-2/7=3/7939+87+624=1650373-(113+70)=190201-185=16249-52×4=413/6+2/6=5/6148×2=29616×8=128218+(367-170)=41580×(37-32)=400211-209+104=106390×7-944=1786363+(56-42)=377254+(430-353)=33172×7=504797-88×9=5868+440+544=185268×5-59=281859×(341-335)=5154367-(470-246)=143329×2+143=801674+45×7=989133×4=532448×2=896227-226+320=321306-234-30=42454-212-127=115301-124-88=89398+271=669106×3=318645-174×3=123877×8=7016909-514=395341+(44-39)=346673-117×2=43968×7=476118+134-222=30472+884-202=115491×2=182439-425=14508-242-60=206121×(193-188)=605167+981=1148930-(163-83)=850372+368+42=782359-17×5=274362-12×6=290249-130-19=100405+(600-534)=471807×2-729=885469-260+924=1133372-(479-166)=59160×(490-485)=80057×8-92=364588×5-843=2097365-27×5=230310×3-633=297215×5=107549+285=334545+338=883805×8-333=6107363-210-53=100195-11×2=173373+562+638=157320+445-248=21746+125+727=898275-177=98457-(199-95)=353495-45+306=756251-(348-248)=151634-122-132=380901+764=1665932-(893-211)=25034-17×2=0771×(65-59)=462653×8-267=15792×8=736110×(509-505)=4404/6-1/6=3/6842-414×2=14105+11×2=127270+294-134=430152×3-285=171231×9-622=1457484-39-375=70175+(285-79)=381500-160-143=1972/6+3/6=5/6611+124=735480×2-247=713215+311+220=74622×2=44339-60×4=99438-129-282=27314+461=775612-438+644=818168×3+408=91264-(223-210)=51629-327-278=24437+(350-335)=45235×(993-990)=105386-82+95=399804-694=11048+257=305423+50+272=745220+185=40556×8=448454-27×9=211294+622-680=236460-445+384=399306×(873-867)=1836356-26×8=148248×6-708=780992×5=4960721×7-463=4584332-232=100804-602+932=1134753+(741-659)=835239×3-35=682280-(126+16)=138459-44×3=327109×(465-459)=65410×2+421=441737-334=403197+240-237=20063×7-148=293584+81+115=780249+82=331918-(714+199)=5816×(87-84)=2448957-18×4=885317+724-928=113996-537=459404+438=84292×3=276420-267+490=643844-(125+645)=74889+237=1126310-(592-323)=41372-(654-594)=312457+287=744107×9+708=1671251+116-25=342745-(756-334)=323575-46×7=253627×(540-537)=1881191+381×2=953199+276-110=36529×2+551=609831-583-62=18627×8+212=428411-(462-158)=107287+129-329=87784×5-606=3314359+356+941=1656434-(121+174)=139154×(259-253)=92416×(170-161)=144125×(237-234)=375754-545+784=99314×(438-435)=42507+82×7=1081242+(788-547)=483158-(186-129)=101849-10-135=704627-(30+218)=37969×8-545=7454-(208+231)=153/5-1/5=2/5380-319=61403×2+350=1156334+(771-211)=894217×(267-264)=651414-140+503=77711+413+59=483199+95×8=959165-53+226=338237+136+22=395462-181=281463+52×5=723280×(178-175)=840128×6-661=10797×2=194124+475+367=966532+253×2=1038201×2-21=381817×(547-541)=490257+396-256=19794-(260-214)=48196×9=1764217×(432-428)=868312-131=18122+259-161=120963-(761-610)=812365-(99+250)=16277+212=489429-141=288157+997+830=1984252+815-856=211991-(804+125)=62446-(260+61)=125306-45×4=126645-210+262=697297+362+180=839488-189+44=34394×3+379=661383-243=140774-493=281435-154=281686+105+99=89070×(474-467)=490267+91+48=406343+(581-349)=575582-192×2=198869-(669-514)=714159×4-239=397708×6-709=353949+187+390=62634×(218-210)=272468×7-535=2741605-(182+118)=305105+28=133125+358-146=337134×6-101=703550×7=3850822-87×7=21331+575+863=1469319-(44+72)=203485-(33-24)=47618×(636-630)=108815-95×2=625479-197-165=117506-438+714=782949-126=823760+642+711=2113346+80×5=74620+(781-120)=681295-80×2=135587+(448-319)=716784+(701-49)=143666×3-99=99344+964=130899×9-502=389909+733-260=1382323-10-195=118185+382-513=54546-172×2=202398×2-436=360956×(726-723)=2868312+384+75=771372+459=831817-178=639379×7=2653753+376-186=943810-35×2=740487-(116+244)=127683-468+151=366990-(81+794)=115201+433=634312-118-90=104103×(365-356)=927929-(70+697)=162638-330+495=803872-506-276=90838-(812-607)=633278+112=390773×6=4638578+709-450=837268-(12+108)=148881-(771+78)=32109×(629-623)=65463-47=1656×2=112735+647+389=1771811+(665-451)=1025208+152=360115×2=230342-(44+209)=8972×5-224=136954-(645+213)=96508-403+37=142146×3+124=562807-(582+95)=130429-(376-230)=283437-87=350348-89-126=133175+283-166=292299+88=387107+383+480=97019-(277-260)=2265×2-239=291561-293=268224-(196-101)=129823-(547-515)=791128+(264-20)=3721/5+4/5=1410-100+20=330846+976-638=1184814×9=7326601-(408-147)=34056+141×6=902783-137-640=6817-167+476=1126322×(692-683)=289873+104=177343+(343-211)=475847+255+830=1932276×(803-799)=1104322+129-297=154377-91-152=134211-99+364=47686+(360-150)=296285-27+206=464900-123-74=703726-336-80=310456-(484-301)=273260×(334-328)=1560946+754=1700491-50-289=