三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦418×4=410-(379-153)=62+409+261=392-(416-394)=306+271+397=305×(89-86)=491-(62+11)=307×3-808=253-46=115+72=441-145=440-22×2=5/8+3/8=161×(130-125)=663+790=353+91-111=375+(749-11)=122+211=479-175=397-(88+239)=341+40×4=485×2+871=794+62×3=866-112×2=955-400×2=744+(717-694)=194×5-708=884-(65-11)=826×5=247-125+33=477+583-492=206+248×2=474+211+220=491-147×3=728-31+534=283-23×7=364-167+212=199×7-969=466-43=316×2+148=540-298-100=383+113=499×(23-18)=777-27×7=312-53=353-221-14=172×2-111=489+112+298=506×5-553=290+271+303=209-14+983=229×(643-638)=564-111-204=437+765=221-14×8=141-37×3=401×2-51=860-714-44=406-89=213×3=953-691=179+(275-92)=813×(157-148)=777×(605-601)=421-(220+154)=997+471=192-20+416=684-96×3=420-(58+29)=272+(472-43)=294×2+413=200×7=401-275-123=1/5+3/5=419-94-269=83×(194-190)=126×(500-494)=196×3=83×7-186=408-71×3=202×6-192=161+125-201=549+164=646×4=310-(137+50)=199×5-699=878-300=776×2-92=372+201-249=28×(66-57)=424-39-370=471-(957-920)=564-(265-13)=741-382-258=173×3=904-299=72+(134-68)=961-759+337=342-298=122+(421-416)=164+(783-385)=78+236=118+241=99×(87-79)=137×(78-72)=352-46×4=363-(69+148)=391×2-671=348-92+171=333×2=188×(453-446)=96+162=171+(973-259)=730+(837-627)=555-333-216=528+374-289=442-283+119=466-393=154+(254-181)=261+(348-169)=750-(864-828)=289+195=388+55-157=902×8=361×2+86=384-108=909+(639-69)=213+44×3=146×3-413=295+72×7=331-39×3=187×5-764=429-252=439+(321-235)=310×2+794=494+574+955=148×(195-192)=320×3=263-(156+25)=910-(547+211)=77+598+209=193-103=86×8=431+(859-115)=834-217-314=295+472=495-91-351=703-693=44+(990-544)=474+921=497-159-48=347+695+853=935-214×4=375×3-477=953-(713+93)=323-19×4=913-(436+231)=439+69+194=87+312=334-(446-198)=236-(20+23)=473-(405-240)=3/8-2/8=84+637+271=480-316=76+285=410×2-639=458+(383-119)=836-226×3=27×(319-310)=153×5-472=557×7=169×2=487-(252+231)=95×8=502×7=91+42=288-160=913-346-508=855×4=457-100×2=781-(36-19)=134+40=484-95-130=211×3=323-265=861+474+33=184+(44-17)=850-(296+486)=242×6-707=308+472=77+382=165-26-54=127+227=161×4-388=863×5-901=335+165-40=603+399-48=846-(603-148)=512+154+408=468+78×4=170+(437-139)=927-285×2=488-(241+172)=494-(143+152)=478+(157-68)=611×4=95×(463-455)=701-(89+238)=42+444+183=175+527-255=351-152×2=110+226=523+157+842=795+327-895=523+102=169+96=63+169=850×8=320-58×5=914-853=927-406=5/8-3/8=492-(497-200)=234-22+10=977-(300+238)=375-16-148=115×(218-210)=74+100=434-249-125=309+(263-109)=557×8-93=181-(165-87)=408+266+185=427×2-45=227-45×5=934-(144+723)=771×6-161=822+779+451=525×(359-353)=497-92=27+53-15=736+359+919=862+49×8=826×8-520=120×(259-251)=330+(349-20)=362+70×4=994-404-286=891-815=491+231=376×3=2/8+6/8=97+372-292=228-49-115=114×(354-347)=356-(487-205)=103+(749-748)=986+(767-293)=236-210=446+48+930=425×3-171=43+(193-168)=398+(432-66)=862-(543-320)=733+(700-302)=85×4+263=868-330×2=912+313×3=174+(941-465)=837×8-569=278+171=318-(613-356)=378+48-78=417-82×2=342-(182+40)=71-32=422-(176+139)=68+52×6=451×9-137=202×3+840=103×(153-147)=870-93×8=954-(829-484)=75×3+658=289-39×3=232-28×2=537-(732-653)=934×4=290+96+537=116×(300-296)=588-(508-502)=811-146-300=5/8+2/8=483+512-900=262×3-324=403+272+11=347-68-209=509×(183-177)=21+734-558=63+363-397=271+130-338=476-301+312=949-350+999=202×7=3/4-1/4=55×(299-295)=360×9=933-(920-213)=111×2+142=334+118×5=38×8+421=269+93+484=463-(59+150)=241-46-134=856+726+982=603-(570-355)=340-29×5=46×3+253=131×7=337-(115-36)=370-212+126=301×3=245+61=3/5+2/5=197+(356-327)=342×(791-787)=679-413+177=177×4+939=221+80=374-279+396=835-552-120=418-220=420-35×7=516+25+411=470+119+292=200-65-90=682-179-311=797-416+291=725-129×2=438-(139+226)=481-139=312×3=405-(17+273)=2/4-1/4=112+230×2=19×7+21=142+741=644-317+416=870+995=806×3=129×3+129=482-(478-345)=507+345-411=565+97+201=438-(417-209)=116×7=246-83+40=80×(16-10)=461-(76+177)=50+394-320=396-187+104=165+225-199=470+(290-187)=663+164×3=3/6+2/6=383-(92+120)=17+42=851×8-394=891-65-771=41+23=695+30+126=373+681-887=537×7-227=2/8+3/8=673-(731-501)=819+(644-417)=782×(168-159)=986+722+166=378-240=39×2+347=62-31=651-121×2=106+585+485=241+(113-55)=97×7-628=802+(498-208)=337×(313-308)=392×5=782+637-125=243-(158+41)=696-458=56×(229-220)=412+104×2=351×2-578=392-90×3=305+171=290+82-251=504+183=112+48+692=129+619-635=948-(219+102)=935-369-51=98×5-232=465-(481-395)=2/10+5/10=410-224-81=436-43-150=895+236-879=249×(278-274)=26×(170-161)=780-(374+100)=457×2-840=295-93×2=146×(425-421)=362-(445-102)=203+90-231=325+155=49+197=38×(165-161)=392-205-116=333+101×4=78+260-219=132×7-693=384×(862-854)=750+334-249=798-624+162=921-(640-108)=947-243×2=829×9=1/7+2/7=206×4-262=223-(482-379)=801-184×3=410-391+436=100×9+766=315-(395-111)=136+164=257+35-85=34×7+966=91-(132-97)=270-34×2=229×4+305=337×2=857-86×4=917+580-598=386+79=151-43+112=136×9=261-70=693-275=626+(803-95)=280+107×6=732-46=846-(28+158)=832-34-262=557+716-618=323-279+367=521×(20-13)=333-292=929+(825-349)=156+249-37=74+(537-528)=38×4+97=344+128-331=110×4=111+112=587-47+393=75+132=384-328=180-133+417=364-271+264=381-17×4=848-212×3=276-169=294-198+104=754+914=367-298+73=268-174-94=614-(32+200)=246-(242-163)=902-(618+70)=393-110+16=700-(870-748)=842+36×4=857-(268+69)=170+58+431=968-64-639=248+423=185×7-970=94+394-135=786-58-594=250×2=29+(593-541)=346-119-18=208×(120-116)=777-(223+349)=937-14-233=496-(40+416)=429-119-110=969-959+985=498-446=437-80×2=944-10=398-276+233=296-80×2=222×4+276=236×3=151+539+759=447-167-118=307×2=389-234=500+169-525=187-(479-424)=185+639+397=287+87×3=677×(886-879)=194×3+181=192-43×4=55×4-144=713-(405+221)=202+544=444-138×3=195-(377-186)=118+151-209=151×4=310+81=997+819-365=292+590=325+106+475=501+(902-563)=644-159×3=723×(205-199)=889-424=128+348-304=524-394+252=430-48×2=682×4-207=626-(251-147)=224×3-609=942-368-571=61×(304-295)=648+283+37=400-49×5=205+(64-25)=232×9-665=475-128-296=214-99-56=124-20+52=182+27×6=135×(448-444)=77×2=87×7-243=299×3-536=890-618+518=380-282=976×(390-385)=807-686=444-(139+125)=716-362=990+654-75=87×6-381=436+(112-16)=845-632+930=702-(518-421)=284+300=440+34+203=252-(114+136)=139+212+147=367-149+48=962-(616-156)=129×(361-354)=733+630-553=407-68-298=210-35-155=864×(630-622)=462+970+985=400+87+542=57-30+459=453+335-414=371-58-134=349+(410-114)=760-20=256-(321-197)=575-248-180=143-(183-124)=732-(376+137)=61×8=967-(278+468)=181×4=895-(393+228)=226×2+12=39×5-13=741+918=639-153+698=15+12×7=968+697+153=249-124=422-(133+266)=223+(326-82)=693×5=362+14×4=145+519+262=700×4=503+450+17=203×3-206=452+413+608=293-(483-468)=688+(998-905)=116+(657-451)=576-(244+109)=173×(167-163)=111×(895-887)=230+146=193+194=844-(236-223)=915-204+519=15×9=686+739-793=372-47-38=3/5-1/5=326+120=558+123×7=145+154-251=961-(700-663)=963-919+35=203-(261-138)=901-189-229=41+304×3=228×3-135=143+(31-28)=16×5=390-(253+88)=271+102-229=270+621+46=127+331+410=856+795+730=382-351+901=650×5=392-(30+67)=107+376+783=950+676-245=853-676-141=490-448+26=774-110×3=981+802-768=447-(359+73)=263×(619-612)=5/9-4/9=364-90-65=409-(586-493)=338-185-104=364-217+141=404-(350+10)=596×(478-472)=197×(332-328)=333-288+273=460-(341-311)=73-22=944-444=371-(479-393)=406-(250-89)=154×8-14=84-68+210=945×(718-711)=650+644+416=5/10-4/10=303+55-115=5/7-1/7=492+285+45=834-77×8=1/9+3/9=143-67=506-227+435=246-(171-113)=450-(66+381)=940-924+872=792×4-724=1/7+5/7=693-123+244=502+(974-287)=378×3-299=904+142+91=436+(457-270)=67×(256-247)=654-224-275=876-651+526=183-13×3=446-431=185+96=73+686+65=285-(389-178)=164×5+953=442×2=97-(357-286)=4/7-1/7=857-107×7=697×2-264=897+455-729=101-60-12=355×3=420+214×2=84×2+292=366-80×3=277-225=940×(478-473)=777+724=422-31×7=96×8+360=166×(231-227)=299-(110-109)=390+(197-153)=258×2=873+433×2=478-(84+234)=101+391=491-53×6=424-56×5=52×3+243=481-19×8=143×3=141+841+911=88×4=843-(969-762)=974+453+245=775-43×5=677+(802-49)=234-159+355=54+(435-400)=263+11+527=172+127-40=139+615=119-13=350×2=239-79+216=355+520+91=664+709-820=831-139+72=816-(254+64)=591×7-196=231×3=328-114=333-81×3=3/7-1/7=384-57×2=4/8+3/8=123+158-157=359-321+36=937×2=493-155-198=101×2+115=136×3-276=267-215=114×6=62-(241-194)=176×3-106=326+130-229=50-(699-684)=257×(874-865)=478-148-88=266-(318-82)=149+289-216=795-85×9=989-608=133×(914-910)=245×(242-238)=262+287+148=256+145-46=957-562+813=284+(403-355)=80+121=101×(36-30)=327-(46+26)=68+723+150=682-208-292=851×4=790-(107+132)=645+859-86=361×2-173=120×7-476=424-(104+277)=22+72×2=961-(693+113)=157+74+26=971+(501-235)=224+155-34=323+(201-116)=283+(490-14)=515-311+531=511+575+907=768-405+109=270+95=322-54+98=159+201=513+659-659=331×2-105=376+467+102=752-61-162=229-149=184×(186-183)=367-(211-203)=443-(111+64)=458+50×4=222-(195-59)=131×7-449=359-86=93×5=953-(45+840)=347-60×3=57×2+237=292-146-104=379-269=232+(436-401)=968-908-10=473-(201-88)=197+(429-14)=388-374+462=488+(111-45)=140×5-580=68×7=401-(196+112)=653-488-55=236-(145-114)=699×(896-887)=995-(572+218)=485+794-427=415+(416-50)=116×4=275-221=228×(433-430)=4/6-1/6=83×6-69=393-135=78+140×3=867-(773+24)=151+(748-339)=857-114+242=856-(616+87)=392-(74+161)=330-(453-244)=128×5=577×5-933=225×2=467-139+88=799-495-219=794+598-631=417-78×2=283+582=180+298=3/10-2/10=248+307×3=33×2+498=193×(658-651)=428×2+17=313×(360-357)=427-155=135+17×8=328+(435-180)=280-164+306=385-52×4=207+(611-541)=438+304+823=43+176-205=167-102=參考答案418×4=1672410-(379-153)=18462+409+261=732392-(416-394)=370306+271+397=974305×(89-86)=915491-(62+11)=418307×3-808=113253-46=207115+72=187441-145=296440-22×2=3965/8+3/8=1161×(130-125)=805663+790=1453353+91-111=333375+(749-11)=1113122+211=333479-175=304397-(88+239)=70341+40×4=501485×2+871=1841794+62×3=980866-112×2=642955-400×2=155744+(717-694)=767194×5-708=262884-(65-11)=830826×5=4130247-125+33=155477+583-492=568206+248×2=702474+211+220=905491-147×3=50728-31+534=1231283-23×7=122364-167+212=409199×7-969=424466-43=423316×2+148=780540-298-100=142383+113=496499×(23-18)=2495777-27×7=588312-53=259353-221-14=118172×2-111=233489+112+298=899506×5-553=1977290+271+303=864209-14+983=1178229×(643-638)=1145564-111-204=249437+765=1202221-14×8=109141-37×3=30401×2-51=751860-714-44=102406-89=317213×3=639953-691=262179+(275-92)=362813×(157-148)=7317777×(605-601)=3108421-(220+154)=47997+471=1468192-20+416=588684-96×3=396420-(58+29)=333272+(472-43)=701294×2+413=1001200×7=1400401-275-123=31/5+3/5=4/5419-94-269=5683×(194-190)=332126×(500-494)=756196×3=58883×7-186=395408-71×3=195202×6-192=1020161+125-201=85549+164=713646×4=2584310-(137+50)=123199×5-699=296878-300=578776×2-92=1460372+201-249=32428×(66-57)=252424-39-370=15471-(957-920)=434564-(265-13)=312741-382-258=101173×3=519904-299=60572+(134-68)=138961-759+337=539342-298=44122+(421-416)=127164+(783-385)=56278+236=314118+241=35999×(87-79)=792137×(78-72)=822352-46×4=168363-(69+148)=146391×2-671=111348-92+171=427333×2=666188×(453-446)=131696+162=258171+(973-259)=885730+(837-627)=940555-333-216=6528+374-289=613442-283+119=278466-393=73154+(254-181)=227261+(348-169)=440750-(864-828)=714289+195=484388+55-157=286902×8=7216361×2+86=808384-108=276909+(639-69)=1479213+44×3=345146×3-413=25295+72×7=799331-39×3=214187×5-764=171429-252=177439+(321-235)=525310×2+794=1414494+574+955=2023148×(195-192)=444320×3=960263-(156+25)=82910-(547+211)=15277+598+209=884193-103=9086×8=688431+(859-115)=1175834-217-314=303295+472=767495-91-351=53703-693=1044+(990-544)=490474+921=1395497-159-48=290347+695+853=1895935-214×4=79375×3-477=648953-(713+93)=147323-19×4=247913-(436+231)=246439+69+194=70287+312=399334-(446-198)=86236-(20+23)=193473-(405-240)=3083/8-2/8=1/884+637+271=992480-316=16476+285=361410×2-639=181458+(383-119)=722836-226×3=15827×(319-310)=243153×5-472=293557×7=3899169×2=338487-(252+231)=495×8=760502×7=351491+42=133288-160=128913-346-508=59855×4=3420457-100×2=257781-(36-19)=764134+40=174484-95-130=259211×3=633323-265=58861+474+33=1368184+(44-17)=211850-(296+486)=68242×6-707=745308+472=78077+382=459165-26-54=85127+227=354161×4-388=256863×5-901=3414335+165-40=460603+399-48=954846-(603-148)=391512+154+408=1074468+78×4=780170+(437-139)=468927-285×2=357488-(241+172)=75494-(143+152)=199478+(157-68)=567611×4=244495×(463-455)=760701-(89+238)=37442+444+183=669175+527-255=447351-152×2=47110+226=336523+157+842=1522795+327-895=227523+102=625169+96=26563+169=232850×8=6800320-58×5=30914-853=61927-406=5215/8-3/8=2/8492-(497-200)=195234-22+10=222977-(300+238)=439375-16-148=211115×(218-210)=92074+100=174434-249-125=60309+(263-109)=463557×8-93=4363181-(165-87)=103408+266+185=859427×2-45=809227-45×5=2934-(144+723)=67771×6-161=4465822+779+451=2052525×(359-353)=3150497-92=40527+53-15=65736+359+919=2014862+49×8=1254826×8-520=6088120×(259-251)=960330+(349-20)=659362+70×4=642994-404-286=304891-815=76491+231=722376×3=11282/8+6/8=197+372-292=177228-49-115=64114×(354-347)=798356-(487-205)=74103+(749-748)=104986+(767-293)=1460236-210=26446+48+930=1424425×3-171=110443+(193-168)=68398+(432-66)=764862-(543-320)=639733+(700-302)=113185×4+263=603868-330×2=208912+313×3=1851174+(941-465)=650837×8-569=6127278+171=449318-(613-356)=61378+48-78=348417-82×2=253342-(182+40)=12071-32=39422-(176+139)=10768+52×6=380451×9-137=3922202×3+840=1446103×(153-147)=618870-93×8=126954-(829-484)=60975×3+658=883289-39×3=172232-28×2=176537-(732-653)=458934×4=3736290+96+537=923116×(300-296)=464588-(508-502)=582811-146-300=3655/8+2/8=7/8483+512-900=95262×3-324=462403+272+11=686347-68-209=70509×(183-177)=305421+734-558=19763+363-397=29271+130-338=63476-301+312=487949-350+999=1598202×7=14143/4-1/4=2/455×(299-295)=220360×9=3240933-(920-213)=226111×2+142=364334+118×5=92438×8+421=725269+93+484=846463-(59+150)=254241-46-134=61856+726+982=2564603-(570-355)=388340-29×5=19546×3+253=391131×7=917337-(115-36)=258370-212+126=284301×3=903245+61=3063/5+2/5=1197+(356-327)=226342×(791-787)=1368679-413+177=443177×4+939=1647221+80=301374-279+396=491835-552-120=163418-220=198420-35×7=175516+25+411=952470+119+292=881200-65-90=45682-179-311=192797-416+291=672725-129×2=467438-(139+226)=73481-139=342312×3=936405-(17+273)=1152/4-1/4=1/4112+230×2=57219×7+21=154142+741=883644-317+416=743870+995=1865806×3=2418129×3+129=516482-(478-345)=349507+345-411=441565+97+201=863438-(417-209)=230116×7=812246-83+40=20380×(16-10)=480461-(76+177)=20850+394-320=124396-187+104=313165+225-199=191470+(290-187)=573663+164×3=11553/6+2/6=5/6383-(92+120)=17117+42=59851×8-394=6414891-65-771=5541+23=64695+30+126=851373+681-887=167537×7-227=35322/8+3/8=5/8673-(731-501)=443819+(644-417)=1046782×(168-159)=7038986+722+166=1874378-240=13839×2+347=42562-31=31651-121×2=409106+585+485=1176241+(113-55)=29997×7-628=51802+(498-208)=1092337×(313-308)=1685392×5=1960782+637-125=1294243-(158+41)=44696-458=23856×(229-220)=504412+104×2=620351×2-578=124392-90×3=122305+171=476290+82-251=121504+183=687112+48+692=852129+619-635=113948-(219+102)=627935-369-51=51598×5-232=258465-(481-395)=3792/10+5/10=7/10410-224-81=105436-43-150=243895+236-879=252249×(278-274)=99626×(170-161)=234780-(374+100)=306457×2-840=74295-93×2=109146×(425-421)=584362-(445-102)=19203+90-231=62325+155=48049+197=24638×(165-161)=152392-205-116=71333+101×4=73778+260-219=119132×7-693=231384×(862-854)=3072750+334-249=835798-624+162=336921-(640-108)=389947-243×2=461829×9=74611/7+2/7=3/7206×4-262=562223-(482-379)=120801-184×3=249410-391+436=455100×9+766=1666315-(395-111)=31136+164=300257+35-85=20734×7+966=120491-(132-97)=56270-34×2=202229×4+305=1221337×2=674857-86×4=513917+580-598=899386+79=465151-43+112=220136×9=1224261-70=191693-275=418626+(803-95)=1334280+107×6=922732-46=686846-(28+158)=660832-34-262=536557+716-618=655323-279+367=411521×(20-13)=3647333-292=41929+(825-349)=1405156+249-37=36874+(537-528)=8338×4+97=249344+128-331=141110×4=440111+112=223587-47+393=93375+132=207384-328=56180-133+417=464364-271+264=357381-17×4=313848-212×3=212276-169=107294-198+104=200754+914=1668367-298+73=142268-174-94=0614-(32+200)=382246-(242-163)=167902-(618+70)=214393-110+16=299700-(870-748)=578842+36×4=986857-(268+69)=520170+58+431=659968-64-639=265248+423=671185×7-970=32594+394-135=353786-58-594=134250×2=50029+(593-541)=81346-119-18=209208×(120-116)=832777-(223+349)=205937-14-233=690496-(40+416)=40429-119-110=200969-959+985=995498-446=52437-80×2=277944-10=934398-276+233=355296-80×2=136222×4+276=1164236×3=708151+539+759=1449447-167-118=162307×2=614389-234=155500+169-525=144187-(479-424)=132185+639+397=1221287+87×3=548677×(886-879)=4739194×3+181=763192-43×4=2055×4-144=76713-(405+221)=87202+544=746444-138×3=30195-(377-186)=4118+151-209=60151×4=604310+81=391997+819-365=1451292+590=882325+106+475=906501+(902-563)=840644-159×3=167723×(205-199)=4338889-424=465128+348-304=172524-394+252=382430-48×2=334682×4-207=2521626-(251-147)=522224×3-609=63942-368-571=361×(304-295)=549648+283+37=968400-49×5=155205+(64-25)=244232×9-665=1423475-128-296=51214-99-56=59124-20+52=156182+27×6=344135×(448-444)=54077×2=15487×7-243=366299×3-536=361890-618+518=790380-282=98976×(390-385)=4880807-686=121444-(139+125)=180716-362=354990+654-75=156987×6-381=141436+(112-16)=532845-632+930=1143702-(518-421)=605284+300=584440+34+203=677252-(114+136)=2139+212+147=498367-149+48=266962-(616-156)=502129×(361-354)=903733+630-553=810407-68-298=41210-35-155=20864×(630-622)=6912462+970+985=2417400+87+542=102957-30+459=486453+335-414=374371-58-134=179349+(410-114)=645760-20=740256-(321-197)=132575-248-180=147143-(183-124)=84732-(376+137)=21961×8=488967-(278+468)=221181×4=724895-(393+228)=274226×2+12=46439×5-13=182741+918=1659639-153+698=118415+12×7=99968+697+153=1818249-124=125422-(133+266)=23223+(326-82)=467693×5=3465362+14×4=418145+519+262=926700×4=2800503+450+17=970203×3-206=403452+413+608=1473293-(483-468)=278688+(998-905)=781116+(657-451)=322576-(244+109)=223173×(167-163)=692111×(895-887)=888230+146=376193+194=387844-(236-223)=831915-204+519=123015×9=135686+739-793=632372-47-38=2873/5-1/5=2/5326+120=446558+123×7=1419145+154-251=48961-(700-663)=924963-919+35=79203-(261-138)=80901-189-229=48341+304×3=953228×3-135=549143+(31-28)=14616×5=80390-(253+88)=49271+102-229=144270+621+46=937127+331+410=868856+795+730=2381382-351+901=932650×5=3250392-(30+67)=295107+376+783=1266950+676-245=1381853-676-141=36490-448+26=68774-110×3=444981+802-768=1015447-(359+73)=15263×(619-612)=18415/9-4/9=1/9364-90-65=209409-(586-493)=316338-185-104=49364-217+141=288404-(350+10)=44596×(478-472)=3576197×(332-328)=788333-288+273=318460-(341-311)=43073-22=51944-444=500371-(479-393)=285406-(250-89)=245154×8-14=121884-68+210=226945×(718-711)=6615650+644+416=17105/10-4/10=1/10303+55-115=2435/7-1/7=4/7492+285+45=822834-77×8=2181/9+3/9=4/9143-67=76506-227+435=714246-(171-113)=188450-(66+381)=3940-924+872=888792×4-724=24441/7+5/7=6/7693-123+244=814502+(974-287)=1189378×3-299=835904+142+91=1137436+(457-270)=62367×(256-247)=603654-224-275=155876-651+526=751183-13×3=144446-431=15185+96=28173+686+65=824285-(389-178)=74164×5+953=1773442×2=88497-(357-286)=264/7-1/7=3/7857-107×7=108697×2-264=1130897+455-729=623101-60-12=29355×3=1065420+214×2=84884×2+292=460366-80×3=126277-225=52940×(478-473)=4700777+724=1501422-31×7=20596×8+360=1128166×(231-227)=664299-(11