三年級(jí)數(shù)學(xué)(上)計(jì)算題專(zhuān)項(xiàng)練習(xí)附答案集錦42-30=415-(268+128)=364-67=301+(429-358)=439-(265-260)=739-29×5=107+(400-370)=475-(460-194)=380-(55+236)=253+206×2=386-(107+21)=979-(58+123)=311+168=503-16×8=102+(343-192)=295×3+54=448×2=435-(207+172)=439+609+923=79×5+865=245-(100+105)=518+204=96-(378-372)=4/9-3/9=274+220=3/8+2/8=908-232-422=103-98+194=867×(838-831)=221-60×2=183+255-18=289+121-94=33+224+80=386×2=127+324-19=979+(989-877)=22×9=974+(420-190)=297×2=807-(12+146)=234×5-73=753-(455-283)=78×3+12=92+254=367-329=768×7-829=313+582-462=220-(152-135)=11+(294-97)=945×(711-703)=155×(893-889)=781-474=1/4+2/4=215+(645-611)=441-(207+123)=271+217+115=171×(422-415)=111×(459-455)=921-(723-348)=131+323-397=435-(316+32)=622-457=482-191-181=195+(888-14)=282-(146-15)=890×8-32=5/8+2/8=406×3-137=40+133×5=530+(464-147)=12×6=2/5+3/5=264+190-390=214+91-22=902+291+469=455-37-376=77×9-477=500-78-404=6/8-1/8=307×2=110×(283-279)=541-207=347-(324-291)=439-(417-25)=754-342=830×3-157=689-240-229=642-(238+218)=931-404-46=498-66×3=754-148-474=2/8+3/8=965-56×7=512+238=461+17×4=228-197+217=430-(379-97)=105×9=160-(290-210)=385×8=393-45=286-41×2=8/10-1/10=260-40+53=321+88=850-(104+476)=267+(462-274)=353-353+433=380-90×4=646-(318-24)=132×3=111×5=366×3-268=352-117=383-11×7=162×8=957-236+479=524×(960-951)=45×2+496=94×(344-337)=366-153-84=319-107=395-(43+331)=925×(446-437)=68+95+563=59×2=4/6-1/6=723-225×2=164+96=161+193=131-131+235=91+(958-821)=230×5=459-182+781=378-(373-245)=151+173×5=509-142×3=519-137+312=109+(357-192)=22×(498-492)=113+329=166×(78-75)=394-250-25=874-256=141+(226-92)=485-(418-137)=790×2-372=159+21+817=114+29×5=243-(125+111)=599+586+855=742-(13+44)=517+(589-498)=639+(355-339)=911-(39+200)=415-79=303×6=168-(178-161)=787+822-488=465-50=612+(833-332)=504-(329+138)=385×2-612=316-(414-187)=470-159=367+108=854×(101-94)=317-(93+26)=404-(314+15)=260-238+260=723×3-529=621+86+262=488-228×2=126×2=340+16×2=566×7-31=139×5-387=53+92×5=655-353-267=415-(225-30)=759×7-574=250-41-11=290-260+384=227×(156-152)=186-40×3=777-81×7=850-330-51=168+489=193-21×9=289+(888-266)=748×(359-353)=726+447+786=264+16+454=390-(782-689)=10×6=143+457=69×7-253=635-543=217-203=673+272=168+41×2=4/8+2/8=396-373=966+741+815=432+707-159=330-93-139=467-111-176=71-49=100+218=913-192-700=430+46×2=969-(432-216)=905-663=257-205+249=777+143-712=736-11×2=14×2=474+319=113×8-224=709+439-662=82×6+16=404+819+987=573×9=477-(226-170)=418+(150-123)=854×9-752=745-117-568=18+957+196=156×3=935-86+596=461-271-175=478+809-458=337-152×2=74+150×5=303-89=529+307×2=175×4=321+76+530=218-36×2=271-108=461×2=194×(137-132)=406-33×4=156-(73+27)=206+136-26=216-(140+50)=852×3-646=937-(149+596)=158+(833-611)=157×5-90=5/7-1/7=102+151=44×(297-292)=37+333-279=694-(158+324)=90×2+118=516-(418-51)=3/6-2/6=385-99×2=2/4-1/4=636×(53-47)=93×8-510=73×5-202=550-10×7=144-(473-345)=225-29×3=94×6-104=3/5-1/5=24-18+120=547×(153-148)=433-49×5=204-(144-55)=721-(621-23)=39+263+254=854×7=387+(384-73)=932-119+926=427+481+442=47-15+667=972-170=953-939+752=702-(20+585)=339-69-222=424-(175-112)=293-(316-38)=97+(884-796)=86+890-744=613-346-166=447-290+258=593-89-295=21×9+324=809+69+79=520-12-427=408+(281-199)=929+967-271=571×(770-761)=209+48=287×9-486=114-15=242×2=142×4=422+(719-611)=2/9+3/9=275+84=215-84-111=14+(368-255)=386×2+105=235+477+878=919×6=197×2+690=254-171=154+217=340-(361-307)=37×8+266=179+73=366-(222+143)=380+716-39=265-27×2=900+844-935=664-159×3=373+(410-236)=877-723=805-173-60=253-172+436=485-(240+111)=989+740+524=438-(282+89)=591+355+37=277-120+291=970+194-929=71+(359-295)=666+491+301=236-38-161=187×4+412=233+388×2=467-207+175=135×4=604-379=384+(296-31)=4/7-3/7=854+(773-121)=427-(113+274)=61+(434-337)=351×(176-168)=365+96=349-162×2=214+709+17=628+335-677=329-(17+210)=407×2-545=717×6-605=76×(279-273)=208×3-603=459-307=110×(131-123)=424-(234-166)=52×(297-292)=947-267+796=708×(203-199)=979×2=96×8-242=131+103=912-283=298+(367-174)=66×(467-463)=502×9-317=258-164+726=871-(978-792)=132+346-425=143+(781-236)=1/10+3/10=339×(397-392)=849-17-714=175-(486-442)=879×8=218-139=56-15+273=462-53-134=690-78=919+729-732=228×9=964-710-253=447-35×2=494-211+186=296+(615-130)=547-(921-561)=237×(619-614)=219×4-595=478-64=864-553+330=1/6+2/6=178+465+263=394-64×6=833+190×2=50+187=311-18×9=536-246+452=324-252+260=96×(240-235)=478-288-17=230-85=199-56+207=12×9-40=95×9=741+699=499×(495-489)=79+359=201-(14+23)=738-(145+142)=51+(308-142)=457-(155+186)=233+(276-232)=463-(306+30)=212+345=213+889-872=100+145=588-511+538=810×2-958=854+682=806+10+911=933-(26+154)=44×(210-204)=878×9=916-(793-189)=924-(712-511)=44+86=969-11=960-568-341=490×2-230=348+20×5=191+571+186=697+299×3=899+604-15=237-(232-78)=380-81×4=251×(256-251)=410-220=385+(823-617)=296+271+89=254×3-691=496×2+373=3/4-1/4=494-(726-711)=39×7=844-806=861-681+23=722+972=890-114-519=750+513-974=344-142-163=476×2=908×7-859=785-76×4=186×(229-225)=52+448-15=320×3+761=253-62×4=226-(263-252)=747-17×2=249-19-44=225×3+291=282+(328-153)=213×9-64=54×4-37=284+(491-90)=173+96-38=474-290+96=485+232=124+163=779+295-299=992-246=98+283=302×3-103=825+144×5=848-(563+151)=42×2=30+89=592-140+23=910-51-306=198-(265-110)=928-31-384=438+908-247=325-33×3=174+152-317=38×6+240=99×(381-372)=98+429+16=742-(446-142)=208-76=107+169-268=236+752+910=382-(27+227)=52×(264-261)=234+370-286=316-134=491×2=418-(165+181)=368-366+59=326-30×6=802-110×6=582+136+10=199+517=123+77-110=134×3-66=513×7=358-213+42=42+219-118=746-30×7=765×7-339=412+77=765+162×5=352-(170-61)=826+487+146=600-37×9=110+(453-278)=783-197=104-63+126=827-(158+521)=396×3=140+74=566-91×2=281-148+298=491×2-911=832+804=78+20×4=582+46×8=104×2=183-167=466-306+228=1/6+5/6=385+95=685-214×3=170×5+480=19×9-142=965-58-129=413+164+21=24×(53-46)=857×2=48+397-438=90+169-155=422+243=659-(348+303)=386-24-66=710×(967-963)=856-71-516=707+138=585×6-202=38×4=151×(62-56)=373+554+628=14×7+257=451-239+968=742-151×2=849-186=877-(585+278)=396+60-138=98+227-137=255×2+344=678+(779-589)=110+211=306×3=909+528=899-(414-133)=217-(207-190)=439+(112-36)=663-241×2=725×(931-923)=60×(114-106)=391+968-230=585-256+125=506×(607-604)=26×(349-344)=262-184-51=303×2-20=151-33=765+408+880=334×2+562=546+754-972=161+900-243=56×4+656=402+(343-144)=931-18×3=245-55×3=452-25-184=411-35×6=188+199+65=669+272+863=35+445-325=74+395+485=567+132×7=698-168=386-(432-244)=377+33-72=309×2-85=356-(738-728)=428-364=406-350+312=241×5-428=86×7=228+(438-11)=156×(245-242)=680-(67+313)=112×3+489=872+(970-394)=782+(299-12)=441-63-329=953×4=337×(21-14)=323+(881-844)=486-349+348=251+208-58=105+208-15=288+(462-387)=671+431=107+(444-421)=24+308×2=890-(396-34)=996+669-360=219+79×5=898+494+577=328+193+281=2/5-1/5=423×(40-31)=497+(430-59)=472×(254-249)=334+584+20=999-(258+254)=130-18×2=107+334-96=260-101×2=965-870=80+242=115+480+248=692+146+53=308-(604-574)=543+279×2=824-756+44=424-172×2=79×5-70=301-228=96×8-643=164+240=13+284+644=291-37+192=821-684=699-(835-605)=129-89=983-18-815=107+69=254×2=174+117+489=260-16×2=176×(644-641)=67×3-26=164×(439-433)=449-(220+207)=769-(13+238)=490-293-107=620+71+35=160+76-127=314-43×3=353+107-433=939-(466+275)=133+456=97+160=387-175=489-253-62=902+749-66=246-80+162=169×3-412=899+(942-106)=185-(793-747)=109×6+214=208-(955-825)=193×(338-333)=764×2-326=295-168+20=52×9=66×4+189=243+64+657=297-(490-451)=436-189=715-(305+257)=416-200-107=438+26×6=806-388+748=4/7+2/7=972×3=730-289+796=295-11×7=751-340×2=371-(125+69)=913-319-535=105×(284-278)=292×2=409-244+132=96+(525-62)=944-(460+284)=523+964=424×(921-913)=53×(172-165)=367+94-27=77+92×2=885×5=516×7-287=442-360-76=407-93=81+93+225=154+320-243=420+886=419-24×7=240×(463-459)=946-142-763=508×8-249=251+(462-176)=704+286+345=772-571=846×6=937-231-504=825×(663-657)=288+407+12=888-758=959-355-117=438-72×4=408+85-426=14+315-173=660-43=90+444×2=79+278-56=893+208×4=871-(163+665)=499+34×3=216+271-104=830-247-177=456+(262-226)=278-(145+84)=807-(127+231)=120-(37+31)=438-(117+98)=445+363+992=150+(260-124)=612+760+682=606-(169+379)=71×5-318=210+105+357=162×3=422-287+312=381-80-91=93×(458-449)=341+111=760-372+36=251+164-167=839+(929-342)=507-(883-500)=51+681+200=1/5+3/5=889-210+779=262×4=265-(470-239)=123×(264-256)=623×4=118+174+737=129×(408-401)=785-(40+693)=258-227-26=237+177=185+87=388×2-362=486-99-172=361×7-840=228-31-44=812-(926-794)=178-(483-448)=979-469-469=366+41+31=239×2=344-193+270=210+135=464-43-160=323-(437-298)=792×2-107=479-(144-44)=458-149×3=262-56=426+(904-442)=805-210+163=495-98×3=221-(45+106)=64×9+85=108×7-144=383-10-37=294-171=250×8-997=379-(832-717)=55×7=6/10-1/10=716-418+596=849-427+914=845×(418-411)=117-(940-905)=809×5=374+925+372=870-555+913=644-(626-353)=354+800+790=224×4+311=927-287=422+(901-283)=439×8-947=242×(124-120)=785+610+923=601+(802-363)=143+288-155=450×3=39×2=136×7+780=499-266+210=347-30×8=948-290+965=81+59=192×5-424=135×(107-101)=495×4=766+962=87-(266-259)=732-(187+94)=363+106-315=278-173=100-11×5=445-30×2=45×(80-74)=132-126+176=268+228=518-136+314=388-137-149=654+(297-259)=258+80×6=122×5+523=112×3+982=237+219=295+265-431=779-(118+533)=227-(14+10)=202-(161-55)=626+238+14=428-(291+52)=535-200-276=34×7+114=696×2-456=338-111=203-87=37×8=43+199+702=326+149+412=69+249=342-202-113=962+39×7=891-171×4=227+(351-335)=196×7=215+(32-13)=163×2+243=911-(642+176)=314-39×2=參考答案42-30=12415-(268+128)=19364-67=297301+(429-358)=372439-(265-260)=434739-29×5=594107+(400-370)=137475-(460-194)=209380-(55+236)=89253+206×2=665386-(107+21)=258979-(58+123)=798311+168=479503-16×8=375102+(343-192)=253295×3+54=939448×2=896435-(207+172)=56439+609+923=197179×5+865=1260245-(100+105)=40518+204=72296-(378-372)=904/9-3/9=1/9274+220=4943/8+2/8=5/8908-232-422=254103-98+194=199867×(838-831)=6069221-60×2=101183+255-18=420289+121-94=31633+224+80=337386×2=772127+324-19=432979+(989-877)=109122×9=198974+(420-190)=1204297×2=594807-(12+146)=649234×5-73=1097753-(455-283)=58178×3+12=24692+254=346367-329=38768×7-829=4547313+582-462=433220-(152-135)=20311+(294-97)=208945×(711-703)=7560155×(893-889)=620781-474=3071/4+2/4=3/4215+(645-611)=249441-(207+123)=111271+217+115=603171×(422-415)=1197111×(459-455)=444921-(723-348)=546131+323-397=57435-(316+32)=87622-457=165482-191-181=110195+(888-14)=1069282-(146-15)=151890×8-32=70885/8+2/8=7/8406×3-137=108140+133×5=705530+(464-147)=84712×6=722/5+3/5=1264+190-390=64214+91-22=283902+291+469=1662455-37-376=4277×9-477=216500-78-404=186/8-1/8=5/8307×2=614110×(283-279)=440541-207=334347-(324-291)=314439-(417-25)=47754-342=412830×3-157=2333689-240-229=220642-(238+218)=186931-404-46=481498-66×3=300754-148-474=1322/8+3/8=5/8965-56×7=573512+238=750461+17×4=529228-197+217=248430-(379-97)=148105×9=945160-(290-210)=80385×8=3080393-45=348286-41×2=2048/10-1/10=7/10260-40+53=273321+88=409850-(104+476)=270267+(462-274)=455353-353+433=433380-90×4=20646-(318-24)=352132×3=396111×5=555366×3-268=830352-117=235383-11×7=306162×8=1296957-236+479=1200524×(960-951)=471645×2+496=58694×(344-337)=658366-153-84=129319-107=212395-(43+331)=21925×(446-437)=832568+95+563=72659×2=1184/6-1/6=3/6723-225×2=273164+96=260161+193=354131-131+235=23591+(958-821)=228230×5=1150459-182+781=1058378-(373-245)=250151+173×5=1016509-142×3=83519-137+312=694109+(357-192)=27422×(498-492)=132113+329=442166×(78-75)=498394-250-25=119874-256=618141+(226-92)=275485-(418-137)=204790×2-372=1208159+21+817=997114+29×5=259243-(125+111)=7599+586+855=2040742-(13+44)=685517+(589-498)=608639+(355-339)=655911-(39+200)=672415-79=336303×6=1818168-(178-161)=151787+822-488=1121465-50=415612+(833-332)=1113504-(329+138)=37385×2-612=158316-(414-187)=89470-159=311367+108=475854×(101-94)=5978317-(93+26)=198404-(314+15)=75260-238+260=282723×3-529=1640621+86+262=969488-228×2=32126×2=252340+16×2=372566×7-31=3931139×5-387=30853+92×5=513655-353-267=35415-(225-30)=220759×7-574=4739250-41-11=198290-260+384=414227×(156-152)=908186-40×3=66777-81×7=210850-330-51=469168+489=657193-21×9=4289+(888-266)=911748×(359-353)=4488726+447+786=1959264+16+454=734390-(782-689)=29710×6=60143+457=60069×7-253=230635-543=92217-203=14673+272=945168+41×2=2504/8+2/8=6/8396-373=23966+741+815=2522432+707-159=980330-93-139=98467-111-176=18071-49=22100+218=318913-192-700=21430+46×2=522969-(432-216)=753905-663=242257-205+249=301777+143-712=208736-11×2=71414×2=28474+319=793113×8-224=680709+439-662=48682×6+16=508404+819+987=2210573×9=5157477-(226-170)=421418+(150-123)=445854×9-752=6934745-117-568=6018+957+196=1171156×3=468935-86+596=1445461-271-175=15478+809-458=829337-152×2=3374+150×5=824303-89=214529+307×2=1143175×4=700321+76+530=927218-36×2=146271-108=163461×2=922194×(137-132)=970406-33×4=274156-(73+27)=56206+136-26=316216-(140+50)=26852×3-646=1910937-(149+596)=192158+(833-611)=380157×5-90=6955/7-1/7=4/7102+151=25344×(297-292)=22037+333-279=91694-(158+324)=21290×2+118=298516-(418-51)=1493/6-2/6=1/6385-99×2=1872/4-1/4=1/4636×(53-47)=381693×8-510=23473×5-202=163550-10×7=480144-(473-345)=16225-29×3=13894×6-104=4603/5-1/5=2/524-18+120=126547×(153-148)=2735433-49×5=188204-(144-55)=115721-(621-23)=12339+263+254=556854×7=5978387+(384-73)=698932-119+926=1739427+481+442=135047-15+667=699972-170=802953-939+752=766702-(20+585)=97339-69-222=48424-(175-112)=361293-(316-38)=1597+(884-796)=18586+890-744=232613-346-166=101447-290+258=415593-89-295=20921×9+324=513809+69+79=957520-12-427=81408+(281-199)=490929+967-271=1625571×(770-761)=5139209+48=257287×9-486=2097114-15=99242×2=484142×4=568422+(719-611)=5302/9+3/9=5/9275+84=359215-84-111=2014+(368-255)=127386×2+105=877235+477+878=1590919×6=5514197×2+690=1084254-171=83154+217=371340-(361-307)=28637×8+266=562179+73=252366-(222+143)=1380+716-39=1057265-27×2=211900+844-935=809664-159×3=187373+(410-236)=547877-723=154805-173-60=572253-172+436=517485-(240+111)=134989+740+524=2253438-(282+89)=67591+355+37=983277-120+291=448970+194-929=23571+(359-295)=135666+491+301=1458236-38-161=37187×4+412=1160233+388×2=1009467-207+175=435135×4=540604-379=225384+(296-31)=6494/7-3/7=1/7854+(773-121)=1506427-(113+274)=4061+(434-337)=158351×(176-168)=2808365+96=461349-162×2=25214+709+17=940628+335-677=286329-(17+210)=102407×2-545=269717×6-605=369776×(279-273)=456208×3-603=21459-307=152110×(131-123)=880424-(234-166)=35652×(297-292)=260947-267+796=1476708×(203-199)=2832979×2=195896×8-242=526131+103=234912-283=629298+(367-174)=49166×(467-463)=264502×9-317=4201258-164+726=820871-(978-792)=685132+346-425=53143+(781-236)=6881/10+3/10=4/10339×(397-392)=1695849-17-714=118175-(486-442)=131879×8=7032218-139=7956-15+273=314462-53-134=275690-78=612919+729-732=916228×9=2052964-710-253=1447-35×2=377494-211+186=469296+(615-130)=781547-(921-561)=187237×(619-614)=1185219×4-595=281478-64=414864-553+330=6411/6+2/6=3/6178+465+263=906394-64×6=10833+190×2=121350+187=237311-18×9=149536-246+452=742324-252+260=33296×(240-235)=480478-288-17=173230-85=145199-56+207=35012×9-40=6895×9=855741+699=1440499×(495-489)=299479+359=438201-(14+23)=164738-(145+142)=45151+(308-142)=217457-(155+186)=116233+(276-232)=277463-(306+30)=127212+345=557213+889-872=230100+145=245588-511+538=615810×2-958=662854+682=1536806+10+911=1727933-(26+154)=75344×(210-204)=264878×9=7902916-(793-189)=312924-(712-511)=72344+86=130969-11=958960-568-341=51490×2-230=750348+20×5=448191+571+186=948697+299×3=1594899+604-15=1488237-(232-78)=83380-81×4=56251×(256-251)=1255410-220=190385+(823-617)=591296+271+89=656254×3-691=71496×2+373=13653/4-1/4=2/4494-(726-711)=47939×7=273844-806=38861-681+23=203722+972=1694890-114-519=257750+513-974=289344-142-163=39476×2=952908×7-859=5497785-76×4=481186×(229-225)=74452+448-15=485320×3+761=1721253-62×4=5226-(263-252)=215747-17×2=713249-19-44=186225×3+291=966282+(328-153)=457213×9-64=185354×4-37=179284+(491-90)=685173+96-38=231474-290+96=280485+232=717124+163=287779+295-299=775992-246=74698+283=381302×3-103=803825+144×5=1545848-(563+151)=13442×2=8430+89=119592-140+23=475910-51-306=553198-(265-110)=43928-31-384=513438+908-247=1099325-33×3=226174+152-317=938×6+240=46899×(381-372)=89198+429+16=543742-(446-142)=438208-76=132107+169-268=8236+752+910=1898382-(27+227)=12852×(264-261)=156234+370-286=318316-134=182491×2=982418-(165+181)=72368-366+59=61326-30×6=146802-110×6=142582+136+10=728199+517=716123+77-110=90134×3-66=336513×7=3591358-213+42=18742+219-118=143746-30×7=536765×7-339=5016412+77=489765+162×5=1575352-(170-61)=243826+487+146=1459600-37×9=267110+(453-278)=285783-197=586104-63+126=167827-(158+521)=148396×3=1188140+74=214566-91×2=384281-148+298=431491×2-911=71832+804=163678+20×4=158582+46×8=950104×2=208183-167=16466-306+228=3881/6+5/6=1385+95=480685-214×3=43170×5+480=133019×9-142=29965-58-129=778413+164+21=59824×(53-46)=168857×2=171448+397-438=790+169-155=104422+243=665659-(348+303)=8386-24-66=296710×(967-963)=2840856-71-516=269707+138=845585×6-202=330838×4=152151×(62-56)=906373+554+628=155514×7+257=355451-239+968=1180742-151×2=440849-186=663877-(585+278)=14396+60-138=31898+227-137=188255×2+344=854678+(779-589)=868110+211=321306×3=918909+528=1437899-(414-133)=618217-(207-190)=200439+(112-36)=515663-241×2=181725×(931-923)=580060×(114-106)=480391+968-230=1129585-256+125=454506×(607-604)=151826×(349-344)=130262-184-51=27303×2-20=586151-33=118765+408+880=2053334×2+562=1230546+754-972=328161+900-243=81856×4+656=880402+(343-144)=601931-18×3=877245-55×3=80452-25-184=243411-35×6=201188+199+65=452669+272+863=180435+445-325=15574+395+485=954567+132×7=1491698-168=530386-(432-244)=198377+33-72=338309×2-85=533356-(738-728)=346428-364=64406-350+312=368241×5-428=77786×7=602228+(438-11)=655156×(245-242)=468680-(67+313)=300112×3+489=825872+(970-394)=1448782+(299-12)=1069441-63-329=49953×4=3812337×(21-14)=2359323+(881-844)=360486-349+348=485251+208-58=401105+208-15=298288+(462-387)=363671+431=1102107+(444-421)=13024+308×2=640890-(396-34)=528996+669-360=1305219+79×5=614898+494+577=1969328+193+281=8022/5-1/5=1/5423×(40-31)=3807497+(430-59)=868472×(254-249)=2360334+584+20=938999-(258+254)=487130-18×2=94107+334-96=345260-101×2=58965-870=9580+242=322115+480+248=843692+146+53=891308-(604-574)=278543+279×2=1101824-756+44=112424-172×2=8079×5-70=325301-228=7396×8-643=125164+240=40413+284+644=941291-37+192=446821-684=137699-(835-605)=469129-89=40983-18-815=150107+69=176254×2=508174+117+489=780260-16×2=228176×(644-641)=52867×3-26=175164×(439-433)=984449-(220+207)=22769-(13+238)=518490-293-107=90620+71+35=726160+76-127=109314-43×3=185353+107-433=27939-(466+275)=198133+456=58997+160=257387-175=212489-253-62=174902+749-66=1585246-80+162=328169×3-412=95899+(942-106)=1735185-(793-747)=139109×6+214=868208-(955-825)=78193×(338-333)=965764×2-326=1202295-168+20=14752×9=46866×4+189=453243+64+657=964297-(490-451)=258436-189=247715-(305+257)=153416-200-107=109438+26×6=594806-388+748=11664/7+2/7=6/7972×3=2916730-289+796=1237295-11×7=218751-340×2=71371-(125+69)=177913-319-535=59105×(284-278)=630292×2=584409-244+132=29796+(525-62)=559944-(460+284)=200523+964=1487424×(921-913)=339253×(172-165)=371367+94-27=43477+92×2=261885×5=4425516×7-287=3325442-360-76=6407-93=31481+93+225=399154+320-243=231420+886=1306419-24×7=251240×(463-459)=960946-142-7