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731-47×7=640×4=269-257+480=612+(987-222)=993×2=531+979+588=3/8+4/8=200-18×7=965-813-90=997-83-135=152×5=405-(56+60)=560-248×2=270+14×8=196+238×3=31×(218-211)=361-(347-60)=122×6+747=229-33×5=100+143+379=479-85=70×8+112=48×(984-981)=201×2-339=757-295+618=92×(148-144)=68+(230-204)=275-(268-184)=585×(373-367)=948-(804-703)=198-(593-396)=179+559-554=141×(341-334)=494-89=71+(591-395)=421-143+140=358-35×7=189×4-169=537-91×3=575-52×3=496-386-67=656+42+106=90×(447-441)=467-81×2=428+976-516=41+(805-479)=199×3+76=214-(499-373)=141+106×7=336×2-307=351-(25+47)=648+511-465=250×(952-946)=366-332+188=492-442+311=340×2+89=221×(184-181)=325+120-279=997-362-216=479-109=375-76=436+(303-229)=467-355-21=475+(469-269)=967-446-83=955-571+773=175×3-503=59×(831-827)=182+96-208=865-187-382=547×6-638=319-46-32=363+(309-269)=1/8+3/8=191×6=585×(36-27)=581-(838-495)=394-197×2=932×(644-639)=341-(914-662)=393-54×5=392-47-274=322-142=376-106=62+227=2/8+4/8=3/8+2/8=731-(339+23)=303×2+559=69+227+342=63+(290-236)=181+768-937=612×7=425-(21+327)=29×4=1/5+3/5=418-(477-60)=55+133=563-20×9=29×(132-126)=104×8=322-(110-64)=46×9+280=161-24×3=271×3+290=909-456-21=487+264=298-(209-160)=466-264-61=41×4+383=497×8-275=432-289=212+190=139+(407-282)=493×2-188=297-70-95=4/8+3/8=587×(565-559)=996×(604-599)=158-(18+84)=390+92-202=408+331+958=338-122-74=550+197-436=429-(166-51)=183×2=245-174+273=103+348=855-274-141=31+111=382+15-119=110+34×3=241-(23+203)=499-(800-707)=662-214×2=808+401+80=162×3-208=35×(223-214)=455+(909-245)=438+800=299+134+100=336+406=410-(175-38)=77×2-22=361-198=154+126=117+(92-13)=127+291+153=270+(269-220)=609-62-467=246+242+433=826×6-916=50+(413-146)=217+122=717+228+543=289×3=784-(324+402)=785-(652-93)=308-229=495-473+351=169-(958-918)=253-(284-211)=246×2-140=461×7=193×5-228=491-210=459-418-10=70+322=294×6-343=467-33=328+321+238=582×(628-624)=911-83-817=844+848-838=466-290-129=599+790-428=938-(111+791)=417-61×5=986+303-301=688+831=245-189+64=831+(414-297)=612+704=391-234+482=314×3-537=263-(327-284)=171+828-616=243+806=368+83×8=488×2=654-590=220+113=974-(305+578)=833×7-43=961-(930-137)=972+315+696=111+467+402=163-132+344=5/7+2/7=288-(262-128)=853-499-10=220+110=29×6+289=117×2+194=358-(245+96)=81×4-173=22×4=549+189=319-137=472-78×5=126+482×2=660-58×9=66+(139-131)=24×3-14=951+(967-638)=724+626-367=272+330+86=696×4=765-128×3=473-421-22=302×6-662=169×5-845=698-415+257=344-(25+241)=391×3-840=112×3=822-(334-224)=254+280×2=232-(272-66)=69×9-39=82×3+17=275-270+308=202×6-705=199-113+59=375+180=50+411-419=497×8-497=940-(114+817)=990+765+788=377-191=472-26=641-145=256+(482-134)=589×8-692=140×5=448-(392-178)=403-25×4=252+452-212=112+176+652=414-(961-786)=348+26-46=171+522+657=384+(209-195)=591-66=435+(424-386)=306+188+487=74+844+447=145+139-60=456-180×2=453-348+58=131×4-468=133×7=992-361-612=681-(64+34)=473+(382-362)=157×(71-66)=66×4+439=125-99+327=149-(64+53)=466-62=16+17×3=171+239-301=621+244+594=797-(401+25)=926+646-59=92+(612-498)=62+(156-75)=291+369+163=191+76+146=91×5=5/10+4/10=714-(996-411)=212-(163+26)=38×(298-295)=696-674=83+176-117=413+125×4=879-185+667=227+145=988-88=645+835-917=345+(411-165)=438-421+709=353×2=914-166-458=86+280=724-179-129=497-270=90×5=288+39×6=173-140+40=452-371=289+37+362=354+143+84=78×(339-336)=266-(482-268)=281-184=116-26=798+165×6=276-52+82=33×3=896-(173+125)=765-(437+268)=400-(26+239)=256+118-36=165+(269-106)=227×4+686=136+41=27×6+468=403+201=18+(172-78)=404-35×4=880-27×2=222-17×2=234×3-264=56+128-73=529+65+459=487-(268+130)=633+605+428=415-(490-394)=328+(889-240)=462+(454-86)=418-(193+146)=27×6+305=116×4=325×2=717-57-283=398+672-98=778+504-95=559×8-125=188×2+235=403×7-410=483+679+923=371-(332-114)=670-228=399+350=992-(128+767)=576-185-205=592-333-198=94×9-238=102-(661-652)=383-210-72=628+418-561=5/10-2/10=993-(487-256)=476-(195+221)=4/6+2/6=110×6=756+(636-33)=865-101=606-357=474-431-14=978×(185-181)=114+329-107=233+22+563=443-255=998+878=323+119-154=913-824=415-(21-20)=437+(130-128)=289-82+119=477-212+228=455-264+304=268+320×2=18×(453-444)=712-(42+272)=87×4=903-(181+527)=448-113×2=122×(182-174)=601+194+85=243-207+96=486-350+335=3/6-2/6=118×(109-105)=325×8-193=180+(486-39)=82+(774-236)=488×(456-448)=701+150×5=918-525+370=958+798=128+203+479=721×5=120+226-169=58+35×9=915-50×4=818-(232+13)=500-432=289-136+165=970+(866-20)=821+(821-782)=813+503+882=165×3=448-(151+223)=298×(298-295)=580+(715-207)=383-(477-221)=118+367-201=158+246=49+23+478=444-71-143=930+896+609=110×8=414×3-485=494-(94+333)=145×(336-330)=443-158-262=186+223×2=495×(345-341)=523×8=340×7-789=267+446+451=58×5+186=178+(278-20)=569+356+549=485+587-640=3/6-1/6=589+393-823=961-(294+508)=78×9=124×(330-327)=397+32-55=489+(267-170)=665-558=425-12×5=57×4=269+861-411=231+116+611=290-(491-327)=904+468-537=489×2=729-96=751-130+639=382-269-27=842×8=856-20×9=493-54-377=922+75×5=475-(255+165)=151+278-369=318×7=75×4=289-(384-372)=378-93+86=616-48+276=93×8+110=91×3+680=297-259+163=83×(363-359)=403-290+23=103×(736-731)=49×4+799=850×(374-371)=225-202=962-761-121=86×(272-269)=937-141-427=40×(190-185)=514-195-153=914-286+363=322-77×2=298-(273-60)=405-65-282=506×(683-679)=2/5-1/5=77×(465-459)=145×5=228+102=186-(467-339)=164×(284-275)=443+(280-210)=457-107×4=126+265=259+(310-188)=965-(170+590)=877-473+107=939-(759-354)=44+(919-216)=291-24×4=979-(545-391)=790×2-621=750-248=464-(69+287)=788-286-31=148+325=539+124+790=295+103-18=756×4-770=946-502-335=6/8-1/8=144-(296-191)=392-20×6=499-(275-140)=638×3-391=182-(29+11)=452×(639-634)=1/5+2/5=412-85+903=740-71×2=751-186=281-98-25=204-(22+147)=294×3-216=220+244=179-37×2=847-(862-228)=205+214=228-(31+180)=279+496+14=26-(252-236)=294-(431-430)=489-34-316=410-(430-58)=3/5-1/5=304+(570-389)=155×(18-14)=57×8-51=427-211+167=702-96=71+303=704-58-570=568-(719-685)=94+391=728×2-17=220+(705-640)=433-40×4=51+295=91+394-233=252+107-103=500-(51+381)=390-326+696=385+97=354-193-63=113+331-407=486+146×2=428-(137+185)=460+(470-140)=402-13×5=346×2=336-184+23=99+305=337×8=432-21×5=256+228-450=363-277=118×(462-455)=953×(30-26)=372-318=128+565+340=103-(64-36)=119+107×7=426×3-137=401-100×3=320-(153+16)=75+156+673=351+159+39=164+17+104=506+(316-48)=843×(913-910)=148+(425-86)=349-14=604×6=79+(412-30)=647×9-809=640-90+482=323×2-345=958+565+362=186+256-48=198×4=195+581+13=191+978=430-(29+325)=239+153-110=445×2-379=293+81×5=356×9=360-333+175=456-(70+34)=986-(187+188)=832-(354+168)=285×3=179-91+322=378+(414-189)=61+39+394=373-39×6=160+(489-184)=837×3-275=215-34×2=465+105×5=747-(475-424)=831×(871-868)=4/8-2/8=871-229-375=120×8=735-(79+78)=582×2=173-(19+65)=412-(71+48)=428+(452-322)=871-(560-442)=247+(270-174)=195-89×2=102+328=81+105=213-(258-193)=365×2-541=756-537-139=38+795-288=262+208=288+(172-41)=859-(106+435)=127+180×3=234×(102-97)=831-(131+24)=332-45-86=441-109-89=220+47=683-13×9=80+361+280=3/7-2/7=490+361+355=680-318+354=607+802=798+171+352=111+54=460-16×9=988+878+218=226-(186-45)=58+74=355-185=220×3+300=61×5+286=416-27-31=486-293=433-406+875=171-48+210=908+(704-612)=956×7=646-485+712=585+984-781=554-254×2=389-332+379=228×4-413=135×3-149=581-(180+398)=423+(754-389)=418+349+90=273-50×2=1/4+2/4=458-172-109=492+156=471×2-445=654-49×4=813-49-749=467-393=168+130×4=292×2=479+20-381=1/10+5/10=311-303+389=596-238+322=19×(429-423)=453-99=59+258=483-236-110=132×6+494=117-78+391=591-71×4=102×5+27=80×9-14=207×2=73×5+321=278×2-442=811-386+84=320-168=446+341×2=819-(96+413)=846+(740-31)=256-(41+155)=295×(469-466)=606-192+336=419×2-78=780+97-290=48+73=101-70=286-(272-19)=465+141×6=443+35×8=970-122=62+12=580+549+943=320-131-104=150-(59+54)=389+66-338=666-16×4=15+84=122×(304-299)=912-321-434=444+50-216=982-104×6=154×(233-224)=250-188=471-(492-462)=594+362-419=4/7-2/7=312-186+66=101-(373-278)=212+(418-350)=302-(220-145)=746-101+603=961-99×5=231+541-212=491-40-324=424+26-302=322×9-929=22×(122-117)=67-45=797-586=239×5-262=503×9-448=23×7=341-(382-285)=182×2+47=862-96-471=687+233=358+24+188=352-18-152=160+769=850+681=634-(137+332)=96×7=715-258+349=50+196×4=108+374-446=11+181×2=264-170-60=269×2+917=141×(457-452)=426-45+117=376-(103+97)=121×6=889+30+779=381+97=742-490=843-10=302+348+348=339-60+318=459-373=3/4-1/4=397-(140+144)=217×9=445-(231+19)=620-(489-485)=243×4-125=82+192-165=39×9=993-114×3=981×(215-210)=152×3+432=930-330-171=371+(388-96)=101×4+120=493-398+164=988-163×5=614-85=822×(786-782)=658×(946-942)=614-445=486×2=191-43×2=976+54-511=381-85×2=437-161×2=166-53+596=464+622-335=669-516-132=336-42×3=80×3-98=404+571=406-102-139=400-185=268×3=128×5-351=936+296=51+418-342=566+(901-306)=130+(746-422)=67×(364-356)=644×(917-914)=651×(447-440)=466-(463-415)=660-(460+54)=343+58×6=845-30=466-(479-82)=179+431=537-149+19=351+19-261=310+79=427-333+115=123×(103-97)=2/6-1/6=489-32=499-(276+128)=360×5=35×8=75×9-342=777×3-469=879+(783-477)=50+529+82=267×5=984-(788-108)=270+481+329=162+36+98=212×(41-37)=146+(487-473)=73×(452-449)=480-21×3=114+500-527=261+(850-322)=628×(762-759)=705-(397+261)=4/5-1/5=122×3=719-(853-805)=126×(413-407)=46+265=407-145×2=495-414=37+49+156=648+641+208=287-67×3=473-185×2=704×4=222-89=17×5=390+23×3=88×4-56=318-61-39=319+106=354×2+66=72×2=325-(318-19)=55×4-197=876-(522+243)=433-(84+214)=29+27×3=836-62×3=769-58×6=241+103=395-98=831+734+312=參考答案731-47×7=402640×4=2560269-257+480=492612+(987-222)=1377993×2=1986531+979+588=20983/8+4/8=7/8200-18×7=74965-813-90=62997-83-135=779152×5=760405-(56+60)=289560-248×2=64270+14×8=382196+238×3=91031×(218-211)=217361-(347-60)=74122×6+747=1479229-33×5=64100+143+379=622479-85=39470×8+112=67248×(984-981)=144201×2-339=63757-295+618=108092×(148-144)=36868+(230-204)=94275-(268-184)=191585×(373-367)=3510948-(804-703)=847198-(593-396)=1179+559-554=184141×(341-334)=987494-89=40571+(591-395)=267421-143+140=418358-35×7=113189×4-169=587537-91×3=264575-52×3=419496-386-67=43656+42+106=80490×(447-441)=540467-81×2=305428+976-516=88841+(805-479)=367199×3+76=673214-(499-373)=88141+106×7=883336×2-307=365351-(25+47)=279648+511-465=694250×(952-946)=1500366-332+188=222492-442+311=361340×2+89=769221×(184-181)=663325+120-279=166997-362-216=419479-109=370375-76=299436+(303-229)=510467-355-21=91475+(469-269)=675967-446-83=438955-571+773=1157175×3-503=2259×(831-827)=236182+96-208=70865-187-382=296547×6-638=2644319-46-32=241363+(309-269)=4031/8+3/8=4/8191×6=1146585×(36-27)=5265581-(838-495)=238394-197×2=0932×(644-639)=4660341-(914-662)=89393-54×5=123392-47-274=71322-142=180376-106=27062+227=2892/8+4/8=6/83/8+2/8=5/8731-(339+23)=369303×2+559=116569+227+342=63863+(290-236)=117181+768-937=12612×7=4284425-(21+327)=7729×4=1161/5+3/5=4/5418-(477-60)=155+133=188563-20×9=38329×(132-126)=174104×8=832322-(110-64)=27646×9+280=694161-24×3=89271×3+290=1103909-456-21=432487+264=751298-(209-160)=249466-264-61=14141×4+383=547497×8-275=3701432-289=143212+190=402139+(407-282)=264493×2-188=798297-70-95=1324/8+3/8=7/8587×(565-559)=3522996×(604-599)=4980158-(18+84)=56390+92-202=280408+331+958=1697338-122-74=142550+197-436=311429-(166-51)=314183×2=366245-174+273=344103+348=451855-274-141=44031+111=142382+15-119=278110+34×3=212241-(23+203)=15499-(800-707)=406662-214×2=234808+401+80=1289162×3-208=27835×(223-214)=315455+(909-245)=1119438+800=1238299+134+100=533336+406=742410-(175-38)=27377×2-22=132361-198=163154+126=280117+(92-13)=196127+291+153=571270+(269-220)=319609-62-467=80246+242+433=921826×6-916=404050+(413-146)=317217+122=339717+228+543=1488289×3=867784-(324+402)=58785-(652-93)=226308-229=79495-473+351=373169-(958-918)=129253-(284-211)=180246×2-140=352461×7=3227193×5-228=737491-210=281459-418-10=3170+322=392294×6-343=1421467-33=434328+321+238=887582×(628-624)=2328911-83-817=11844+848-838=854466-290-129=47599+790-428=961938-(111+791)=36417-61×5=112986+303-301=988688+831=1519245-189+64=120831+(414-297)=948612+704=1316391-234+482=639314×3-537=405263-(327-284)=220171+828-616=383243+806=1049368+83×8=1032488×2=976654-590=64220+113=333974-(305+578)=91833×7-43=5788961-(930-137)=168972+315+696=1983111+467+402=980163-132+344=3755/7+2/7=1288-(262-128)=154853-499-10=344220+110=33029×6+289=463117×2+194=428358-(245+96)=1781×4-173=15122×4=88549+189=738319-137=182472-78×5=82126+482×2=1090660-58×9=13866+(139-131)=7424×3-14=58951+(967-638)=1280724+626-367=983272+330+86=688696×4=2784765-128×3=381473-421-22=30302×6-662=1150169×5-845=0698-415+257=540344-(25+241)=78391×3-840=333112×3=336822-(334-224)=712254+280×2=814232-(272-66)=2669×9-39=58282×3+17=263275-270+308=313202×6-705=507199-113+59=145375+180=55550+411-419=42497×8-497=3479940-(114+817)=9990+765+788=2543377-191=186472-26=446641-145=496256+(482-134)=604589×8-692=4020140×5=700448-(392-178)=234403-25×4=303252+452-212=492112+176+652=940414-(961-786)=239348+26-46=328171+522+657=1350384+(209-195)=398591-66=525435+(424-386)=473306+188+487=98174+844+447=1365145+139-60=224456-180×2=96453-348+58=163131×4-468=56133×7=931992-361-612=19681-(64+34)=583473+(382-362)=493157×(71-66)=78566×4+439=703125-99+327=353149-(64+53)=32466-62=40416+17×3=67171+239-301=109621+244+594=1459797-(401+25)=371926+646-59=151392+(612-498)=20662+(156-75)=143291+369+163=823191+76+146=41391×5=4555/10+4/10=9/10714-(996-411)=129212-(163+26)=2338×(298-295)=114696-674=2283+176-117=142413+125×4=913879-185+667=1361227+145=372988-88=900645+835-917=563345+(411-165)=591438-421+709=726353×2=706914-166-458=29086+280=366724-179-129=416497-270=22790×5=450288+39×6=522173-140+40=73452-371=81289+37+362=688354+143+84=58178×(339-336)=234266-(482-268)=52281-184=97116-26=90798+165×6=1788276-52+82=30633×3=99896-(173+125)=598765-(437+268)=60400-(26+239)=135256+118-36=338165+(269-106)=328227×4+686=1594136+41=17727×6+468=630403+201=60418+(172-78)=112404-35×4=264880-27×2=826222-17×2=188234×3-264=43856+128-73=111529+65+459=1053487-(268+130)=89633+605+428=1666415-(490-394)=319328+(889-240)=977462+(454-86)=830418-(193+146)=7927×6+305=467116×4=464325×2=650717-57-283=377398+672-98=972778+504-95=1187559×8-125=4347188×2+235=611403×7-410=2411483+679+923=2085371-(332-114)=153670-228=442399+350=749992-(128+767)=97576-185-205=186592-333-198=6194×9-238=608102-(661-652)=93383-210-72=101628+418-561=4855/10-2/10=3/10993-(487-256)=762476-(195+221)=604/6+2/6=1110×6=660756+(636-33)=1359865-101=764606-357=249474-431-14=29978×(185-181)=3912114+329-107=336233+22+563=818443-255=188998+878=1876323+119-154=288913-824=89415-(21-20)=414437+(130-128)=439289-82+119=326477-212+228=493455-264+304=495268+320×2=90818×(453-444)=162712-(42+272)=39887×4=348903-(181+527)=195448-113×2=222122×(182-174)=976601+194+85=880243-207+96=132486-350+335=4713/6-2/6=1/6118×(109-105)=472325×8-193=2407180+(486-39)=62782+(774-236)=620488×(456-448)=3904701+150×5=1451918-525+370=763958+798=1756128+203+479=810721×5=3605120+226-169=17758+35×9=373915-50×4=715818-(232+13)=573500-432=68289-136+165=318970+(866-20)=1816821+(821-782)=860813+503+882=2198165×3=495448-(151+223)=74298×(298-295)=894580+(715-207)=1088383-(477-221)=127118+367-201=284158+246=40449+23+478=550444-71-143=230930+896+609=2435110×8=880414×3-485=757494-(94+333)=67145×(336-330)=870443-158-262=23186+223×2=632495×(345-341)=1980523×8=4184340×7-789=1591267+446+451=116458×5+186=476178+(278-20)=436569+356+549=1474485+587-640=4323/6-1/6=2/6589+393-823=159961-(294+508)=15978×9=702124×(330-327)=372397+32-55=374489+(267-170)=586665-558=107425-12×5=36557×4=228269+861-411=719231+116+611=958290-(491-327)=126904+468-537=835489×2=978729-96=633751-130+639=1260382-269-27=86842×8=6736856-20×9=676493-54-377=62922+75×5=1297475-(255+165)=55151+278-369=60318×7=222675×4=300289-(384-372)=277378-93+86=371616-48+276=84493×8+110=85491×3+680=953297-259+163=20183×(363-359)=332403-290+23=136103×(736-731)=51549×4+799=995850×(374-371)=2550225-202=23962-761-121=8086×(272-269)=258937-141-427=36940×(190-185)=200514-195-153=166914-286+363=991322-77×2=168298-(273-60)=85405-65-282=58506×(683-679)=20242/5-1/5=1/577×(465-459)=462145×5=725228+102=330186-(467-339)=58164×(284-275)=1476443+(280-210)=513457-107×4=29126+265=391259+(310-188)=381965-(170+590)=205877-473+107=511939-(759-354)=53444+(919-216)=747291-24×4=195979-(545-391)=825790×2-621=959750-248=502464-(69+287)=108788-286-31=471148+325=473539+124+790=1453295+103-18=380756×4-770=2254946-502-335=1096/8-1/8=5/8144-(296-191)=39392-20×6=272499-(275-140)=364638×3-391=1523182-(29+11)=142452×(639-634)=22601/5+2/5=3/5412-85+903=1230740-71×2=598751-186=565281-98-25=158204-(22+147)=35294×3-216=666220+244=464179-37×2=105847-(862-228)=213205+214=419228-(31+180)=17279+496+14=78926-(252-236)=10294-(431-430)=293489-34-316=139410-(430-58)=383/5-1/5=2/5304+(570-389)=485155×(18-14)=62057×8-51=405427-211+167=383702-96=60671+303=374704-58-570=76568-(719-685)=53494+391=485728×2-17=1439220+(705-640)=285433-40×4=27351+295=34691+394-233=252252+107-103=256500-(51+381)=68390-326+696=760385+97=482354-193-63=98113+331-407=37486+146×2=778428-(137+185)=106460+(470-140)=790402-13×5=337346×2=692336-184+23=17599+305=404337×8=2696432-21×5=327256+228-450=34363-277=86118×(462-455)=826953×(30-26)=3812372-318=54128+565+340=1033103-(64-36)=75119+107×7=868426×3-137=1141401-100×3=101320-(153+16)=15175+156+673=904351+159+39=549164+17+104=285506+(316-48)=774843×(913-910)=2529148+(425-86)=487349-14=335604×6=362479+(412-30)=461647×9-809=5014640-90+482=1032323×2-345=301958+565+362=1885186+256-48=394198×4=792195+581+13=789191+978=1169430-(29+325)=76239+153-110=282445×2-379=511293+81×5=698356×9=3204360-333+175=202456-(70+34)=352986-(187+188)=611832-(354+168)=310285×3=855179-91+322=410378+(414-189)=60361+39+394=494373-39×6=139160+(489-184)=465837×3-275=2236215-34×2=147465+105×5=990747-(475-424)=696831×(871-868)=24934/8-2/8=2/8871-229-375=267120×8=960735-(79+78)=578582×2=1164173-(19+65)=89412-(71+48)=293428+(452-322)=558871-(560-442)=753247+(270-174)=343195-89×2=17102+328=43081+105=186213-(258-193)=148365×2-541=189756-537-139=8038+795-288=545262+208=470288+(172-41)=419859-(106+435)=318127+180×3=667234×(102-97)=1170831-(131+24)=676332-45-86=201441-109-89=243220+47=267683-13×9=56680+361+280=7213/7-2/7=1/7490+361+355=1206680-318+354=716607+802=1409798+171+352=1321111+54=165460-16×9=316988+878+218=2084226-(186-45)=8558+74=132355-185=170220×3+300=96061×5+286=591416-27-31=358486-293=193433-406+875=902171-48+210=333908+(704-612)=1000956×7=6692646-485+712=873585+984-781=788554-254×2=46389-332+379=436228×4-413=499135×3-149=256581-(180+398)=3423+(754-389)=788418+349+90=857273-50×2=1731/4+2/4=3/4458-172-109=177492+156=648471×2-445=497654-49×4=458813-49-749=15467-393=74168+130×4=688292×2=584479+20-381=1181/10+5/10=6/10311-303+389=397596-238+322=68019×(429-423)=114453-99=35459+258=317483-236-110=137132×6+494=1286117-78+391=430591-71×4=307102×5+27=53780×9-14=706207×2=41473×5+321=686278×2-442=114811-386+84=509320-168=152446+341×2=1128819-(96+413)=310846+(740-31)=1555256-(41+155)=60295×(469-466)=885606-192+336=750419×2-78=760780+97-290=58748+73=121101-70=31286-(272-19)=33465+141×6=1311443+35×8=723970-122=84862+12=74580+549+943=2072320-131-104=85150-(59+54)=37389+66-338=117666-16×4=60215