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357+(723-655)=293×2-480=280×3=205+281-351=354×2=952-(915-663)=380+(377-366)=876-(491-463)=912-(502-115)=909-22×6=268×(473-470)=973-214=75×(752-749)=44+361+141=417×(811-808)=345-41×7=694-(296+129)=101×3=2/6+3/6=266+70+896=323+98=588+580-123=762×(497-489)=12×(574-569)=606+(770-707)=882+217×2=279+141×6=556-71×3=412×2-257=724-(806-776)=841+40×5=652-113×3=389+(448-13)=778-(430+47)=367+51-191=52-31=465+152-179=425-192-27=488-22×6=87×7-277=87-59+110=816×2=129-(373-323)=754-139-307=177+207=4/9+2/9=4/8-3/8=124×7-52=198+457=461-177-194=285×(373-370)=215-109+115=206-189+313=600+168×5=372+97+389=914+201×4=402-(358-161)=518-58×6=457+290+105=734-(964-465)=77+353=12+(500-139)=302×3-667=89+22=663+(527-400)=2/8+3/8=133+72-120=742-390=262+128=823×3=151×3-281=913-314=645+(661-334)=974-(690+88)=367-(169-112)=855-556-100=959-40=28+174-167=63×7-213=474-185-47=529+372=313+(337-315)=444-141=72×(368-365)=931×(770-761)=37×7=3/7+2/7=322-118×2=254+(346-200)=66+241×4=147×(497-491)=699-(353+111)=934-149=489×2=621×3=382-(102+264)=346+(737-321)=538-77-151=927×(323-315)=627-(430+118)=632-603+636=475-(460-222)=609×5-972=385+74-15=439×(823-819)=916-(34+458)=895-(353+146)=619-46×9=926+229+274=455-(117-68)=448×6-764=882+259-47=85×4=452×3=456-(341+52)=365-(87+215)=3/5+2/5=220+103=495-(164-104)=921+299+573=457-47-210=935-71×8=544×8-27=215+129×3=491+304=35+253-162=475-(194+154)=493-351-86=63×9=924+77×9=290-199+553=117×3=348-329+387=188-38×3=223+184-294=795+33+87=35×6+97=371+993-283=650-185×2=58-49+423=452-(360-129)=49+140=533+785+678=225+40=214+77+405=435+(393-37)=234×3+434=370×(145-139)=461-363+274=490-40-399=251-(128+113)=83+367=112×8-289=443-121×3=10×(139-135)=248-73+208=96-24+16=424-250=370-(296-281)=281×8-897=256×3-710=193-15×4=5/9+4/9=135×(435-432)=895-(651-571)=11×3=440-200=360-337+633=220-(456-282)=454-(184+124)=177+489=113×5+939=969-179+846=7/8-1/8=510+566-172=121+353=225+(517-424)=139×2+230=227×(204-199)=40×9+268=325-35+209=316-93×2=904-522+454=554-96-168=171+540=922-123×6=434×4=456-42×4=495-420+893=378×5=879-244-285=440+50-325=411+202-445=656-372=114+468+412=194×5-799=63×4=392-(156+79)=276+706+395=259+467=377-255+88=314-294=94+144=854+647+828=176+351+449=329-(111+101)=68×2+612=656×9=142×(479-475)=850-(223+392)=138+561+247=27+417-156=143×4+64=148×8-319=264-221=485-356+136=257+751-942=402-115-97=394-(138+14)=555-227=70×5=851-674=206×(464-461)=3/8-2/8=104+167×5=839-(999-630)=236×(239-236)=358-212-134=45×8+81=827×(143-140)=803+616-886=352×2-204=912-636-166=398×2=213×(337-333)=669-(57+597)=282+72+333=424-186+244=423+(461-379)=340×2-59=346+(771-140)=301+(472-289)=183×4=286-17×5=390+23×3=953-(399+225)=134×(255-249)=433-364=172×5-469=113-29=25×(470-466)=222×7-261=231-25×6=158×6-218=793×(361-358)=274+21-153=465-186-35=838-103×4=544-377+446=936+(233-88)=262-77=667-605=463+(262-173)=51+430-379=143×(847-841)=186+400+374=259-156-87=65+238-277=13×(254-251)=228+104+19=248-(103-69)=86×5=74-(470-434)=581-16×2=353-(205+99)=445×3=105×8-367=109×7=356+117-24=421+(494-248)=314×2=949-367=800-(61+196)=582+(928-873)=352+270=371-(120+67)=100×8-24=229+220=909-159-685=347+159×3=319+(880-716)=989-14-480=841-24×5=359-248=438×2-353=994-283-632=40×9+495=981-499+452=399+(91-55)=123×8-401=479-(352-155)=778-256×2=467-272=468+(325-163)=23+187-170=791×2-800=168+627-702=148+34+59=927+377+578=766×(675-667)=12×7=69+246=444-48×9=457+65×3=490-42-176=198-(288-228)=489-272=73×8=287-60×3=888+236+878=359+24-85=914×6=146×3-251=137+792+441=382-(190+58)=708-111=138+(153-58)=480-(185+18)=903-276-581=439-26×8=315-71-38=479-244=424+771=715+285=755×(384-375)=254-30×2=251×3-382=773-343-107=221+274-92=54+154=96×(366-360)=270-128=406-(252+116)=471+(84-52)=393-(37+92)=491-49-218=475+161+189=890×(716-712)=976+117+779=48×9=61+957-564=693-112×2=422-10×7=308-58=102+688+180=134+324=827+634+38=12+(656-32)=495-57×8=340-16×8=597×9=895-420-470=763+(818-302)=404-196=610+(823-535)=839+77×5=461×8-566=476-45+158=79×(107-98)=90-(15-10)=471-(142-90)=343-12×5=3/7-1/7=647-52×7=322-130+83=271-15-36=152×(17-13)=413×2=638-221×2=402+87=36+338-240=114×8-460=717+711=147+53+422=677×4=102-76+144=74+(417-157)=729-(527-58)=752×8-444=840-462-315=124+771+102=678+838+656=318+(108-104)=429-(209+58)=748+327-158=57×2+366=427-181-68=439×2=303-20×6=995+376-992=454-267=758-(919-833)=44+145=289-(140+84)=96+126-90=850-129-494=45×4=32×(167-161)=664-101-562=21×(405-398)=968-117×6=976-(848-286)=742×(293-284)=394×7=313-229-23=37+343-117=911+133×6=861-717-13=409-(363-205)=139+468-508=155+311+652=375+(809-691)=63×(435-431)=451-(69+280)=705-648=822+618-295=36+416-422=965-(704-424)=493-135×2=327-34×4=331×2-439=425-69×4=839+211=70+68+823=257+487=237+124+442=139×3+82=375-351+61=405×2+21=358-24×7=998-(571+347)=179-116+30=774×(55-48)=216-121-91=658+934+417=149×9-995=956-(126+703)=991-(539+444)=967-288+328=318+(280-45)=288+(389-234)=952-(497+417)=92+962-463=40+435-22=277+(285-97)=852+612+305=423×2-817=243+55×6=86-30=316-232=4/5-1/5=488-458+284=661×6=100×3+388=579-389+991=268+(240-186)=428-316=742-(658+27)=268×3=105+(409-365)=239-(139+15)=346-308+32=827+642-101=409-(281-156)=185+557-620=628+921=464-18+895=280×3+541=496-315-92=283-22×3=92-92+580=369-(175+130)=399-139-121=343-189=5/6-1/6=13×2+804=189+59=314+(788-160)=147×(79-74)=5/7-2/7=419-49×7=340+65=319-200=214-92=645-(902-826)=864-470+600=261-92=226+447=694-115×3=672+111×4=367-208-66=317+127=533+258+99=271+11+257=179-(294-145)=500+(495-171)=374-57=864-(868-221)=426+64+607=54+45+862=613-(602-47)=110×8=601+331=934+777=35+90=163-(452-388)=263-41×6=303×(432-428)=176+145=959-113-162=412-(304+30)=878+372×2=895+288-69=20×2+891=34×(308-301)=289-(151+27)=198-171+333=477-15-431=290-285+313=460+122=207-27×2=254+470=234+437=367+11+554=578+111=25+469-218=835+973=149-104+47=332+(727-275)=469-(116+124)=686-(334+294)=339-10-276=495-19=922-357+177=592×(738-733)=27×(87-78)=834-425+827=194+413-80=99+430+42=470-157-166=481+892-635=437-227-74=295-31×8=418×(146-138)=431×(456-451)=822×2=953-(612-441)=703-336-308=165+194×4=108×7-76=812-609+857=259+164×2=65+308=952+54×8=380-(192+118)=623×3-971=350-146+209=805+546+369=100×(236-230)=185×3+77=984-(255+613)=257×(100-97)=974-112×3=202+250-260=438-103-295=83+24-34=80×(263-258)=762×3-822=31+73+662=300×2+655=80+253=92×9+365=297×9=57+235+126=349-295=724-227×2=359-(845-791)=182-29×2=142×5-195=147+105=489-336=355-94+119=425+871+721=211-(133-117)=2/5-1/5=4/8+2/8=690-136=45+(482-236)=207-82+210=613×(620-611)=103+557=270-47-130=288+(990-138)=288×2=293+358+406=666+(669-123)=737+120-123=589×(576-571)=334+352=725-(672-482)=896+986+421=460×6=280+(496-277)=384-63×5=481-211-23=109×5+171=291×2-492=428-395+286=801-707=193+520+471=700-(232+117)=129×7=348×8-551=151-35=60×(216-212)=901+383+677=1/7+4/7=173+26+187=520+357-476=129×4+151=175+178=345×6-309=798-256=342-145-20=298-(457-261)=532-(78+149)=377-(392-93)=518×(978-975)=508+(821-616)=367-(266+84)=171-(497-493)=228-(230-83)=992-(713-167)=281-31+24=929-(314+382)=395+495=83+208=328×2-153=230-(245-106)=614×8-661=756+47+288=285+293-33=268+61=480-16=446-(825-758)=449-(487-437)=890-797+836=158-(66+30)=423+(212-31)=937-(652+175)=909-282+834=146×4-379=2/4-1/4=500-219-151=590×5=72-57=352-107-238=665+704-78=158+272+370=425×2=4/10+2/10=460-216+68=491-(462-240)=834-(787-313)=477-(363-266)=399+99-133=438-(267+88)=131+(443-53)=76×7=102×(67-58)=283×(904-896)=441-406+185=949-(375+458)=299-235-27=614-(225+100)=270+(368-158)=95×2+21=279-147+275=155×6-366=87×(74-70)=619×(131-126)=814-231=179+217+430=704-40×8=177×3-66=154×6-416=106×4+374=263-(130-81)=55×7=881-468=283+(964-613)=989-35×8=533-507+485=100+335-370=24+105×4=5/8-2/8=443-(151+128)=528×3-704=400-398+359=267×8-50=37+211+723=209×3-482=112×6+325=102×2-20=291-(69+29)=1/4+2/4=452+(437-350)=84×6=627×9-812=955+50×6=116×6=184+(281-64)=250×7=666×8-20=243+53×5=119+266=181+(349-40)=556+(299-48)=244-45-11=328-138=727-519=166+185=364+95=457×6=491-411+50=331+76-193=125+(245-27)=368-327=139×(161-158)=37×(130-124)=280-266+255=468-(214-151)=402+208×2=117×(448-440)=579-161+648=182×5=822×3-514=425-166=782×9=982-129=26×(240-233)=32×5=297-182-31=94×4=836-311-22=610-360-148=486-117×2=475+(997-945)=278×(616-610)=327-16×3=359-(378-29)=570-(931-746)=547+(518-34)=889+318-66=816-160=112+435×2=23×6=114×5=163+99×6=78+305-154=712+581+331=197+160×6=788-145-458=995-(123+744)=348+38×8=332-(663-600)=467×5-343=316-38×4=491-146=384-235+13=789-(628-258)=116+58×7=123×2+769=505+233=69×6+444=256+(442-175)=113+452-275=472+651=219+(469-298)=48×5-190=91×2+728=48+65=343×4=230×8=65×9-552=439-(118+279)=320-12=32+194+578=10×7=144+154-16=291-(494-482)=274+308×2=986-141=996-50×3=1/8+4/8=992-240-177=453-45-324=348+953+866=395×2+715=639-(244+299)=807-122×2=249+234-438=2/6-1/6=465-(150+195)=440-241=164+81=133×7-293=352-(944-633)=3/10+4/10=429-374=667-400+866=361×6-144=83+478+76=743-577+688=415-(160-37)=398+(436-312)=801+(101-66)=667×(530-523)=465+17+362=961-(220+410)=81+427+449=419-48-268=440+505-679=473-65×5=926-452-275=471-37×7=402-(83-67)=71+546+28=65+607-236=830-221+772=18×5+78=271-(417-363)=994-186×3=823-419-94=258×7-394=357+206=165-14×6=873-(132+118)=3/5-1/5=314×3=190+(914-464)=708-523+328=331-(421-385)=499-43-278=222-(84+104)=123+319-135=507×8-798=19×5+282=265+146-102=927-259+905=353-300=691+59+916=276+(946-570)=410-127+95=参考答案357+(723-655)=425293×2-480=106280×3=840205+281-351=135354×2=708952-(915-663)=700380+(377-366)=391876-(491-463)=848912-(502-115)=525909-22×6=777268×(473-470)=804973-214=75975×(752-749)=22544+361+141=546417×(811-808)=1251345-41×7=58694-(296+129)=269101×3=3032/6+3/6=5/6266+70+896=1232323+98=421588+580-123=1045762×(497-489)=609612×(574-569)=60606+(770-707)=669882+217×2=1316279+141×6=1125556-71×3=343412×2-257=567724-(806-776)=694841+40×5=1041652-113×3=313389+(448-13)=824778-(430+47)=301367+51-191=22752-31=21465+152-179=438425-192-27=206488-22×6=35687×7-277=33287-59+110=138816×2=1632129-(373-323)=79754-139-307=308177+207=3844/9+2/9=6/94/8-3/8=1/8124×7-52=816198+457=655461-177-194=90285×(373-370)=855215-109+115=221206-189+313=330600+168×5=1440372+97+389=858914+201×4=1718402-(358-161)=205518-58×6=170457+290+105=852734-(964-465)=23577+353=43012+(500-139)=373302×3-667=23989+22=111663+(527-400)=7902/8+3/8=5/8133+72-120=85742-390=352262+128=390823×3=2469151×3-281=172913-314=599645+(661-334)=972974-(690+88)=196367-(169-112)=310855-556-100=199959-40=91928+174-167=3563×7-213=228474-185-47=242529+372=901313+(337-315)=335444-141=30372×(368-365)=216931×(770-761)=837937×7=2593/7+2/7=5/7322-118×2=86254+(346-200)=40066+241×4=1030147×(497-491)=882699-(353+111)=235934-149=785489×2=978621×3=1863382-(102+264)=16346+(737-321)=762538-77-151=310927×(323-315)=7416627-(430+118)=79632-603+636=665475-(460-222)=237609×5-972=2073385+74-15=444439×(823-819)=1756916-(34+458)=424895-(353+146)=396619-46×9=205926+229+274=1429455-(117-68)=406448×6-764=1924882+259-47=109485×4=340452×3=1356456-(341+52)=63365-(87+215)=633/5+2/5=1220+103=323495-(164-104)=435921+299+573=1793457-47-210=200935-71×8=367544×8-27=4325215+129×3=602491+304=79535+253-162=126475-(194+154)=127493-351-86=5663×9=567924+77×9=1617290-199+553=644117×3=351348-329+387=406188-38×3=74223+184-294=113795+33+87=91535×6+97=307371+993-283=1081650-185×2=28058-49+423=432452-(360-129)=22149+140=189533+785+678=1996225+40=265214+77+405=696435+(393-37)=791234×3+434=1136370×(145-139)=2220461-363+274=372490-40-399=51251-(128+113)=1083+367=450112×8-289=607443-121×3=8010×(139-135)=40248-73+208=38396-24+16=88424-250=174370-(296-281)=355281×8-897=1351256×3-710=58193-15×4=1335/9+4/9=1135×(435-432)=405895-(651-571)=81511×3=33440-200=240360-337+633=656220-(456-282)=46454-(184+124)=146177+489=666113×5+939=1504969-179+846=16367/8-1/8=6/8510+566-172=904121+353=474225+(517-424)=318139×2+230=508227×(204-199)=113540×9+268=628325-35+209=499316-93×2=130904-522+454=836554-96-168=290171+540=711922-123×6=184434×4=1736456-42×4=288495-420+893=968378×5=1890879-244-285=350440+50-325=165411+202-445=168656-372=284114+468+412=994194×5-799=17163×4=252392-(156+79)=157276+706+395=1377259+467=726377-255+88=210314-294=2094+144=238854+647+828=2329176+351+449=976329-(111+101)=11768×2+612=748656×9=5904142×(479-475)=568850-(223+392)=235138+561+247=94627+417-156=288143×4+64=636148×8-319=865264-221=43485-356+136=265257+751-942=66402-115-97=190394-(138+14)=242555-227=32870×5=350851-674=177206×(464-461)=6183/8-2/8=1/8104+167×5=939839-(999-630)=470236×(239-236)=708358-212-134=1245×8+81=441827×(143-140)=2481803+616-886=533352×2-204=500912-636-166=110398×2=796213×(337-333)=852669-(57+597)=15282+72+333=687424-186+244=482423+(461-379)=505340×2-59=621346+(771-140)=977301+(472-289)=484183×4=732286-17×5=201390+23×3=459953-(399+225)=329134×(255-249)=804433-364=69172×5-469=391113-29=8425×(470-466)=100222×7-261=1293231-25×6=81158×6-218=730793×(361-358)=2379274+21-153=142465-186-35=244838-103×4=426544-377+446=613936+(233-88)=1081262-77=185667-605=62463+(262-173)=55251+430-379=102143×(847-841)=858186+400+374=960259-156-87=1665+238-277=2613×(254-251)=39228+104+19=351248-(103-69)=21486×5=43074-(470-434)=38581-16×2=549353-(205+99)=49445×3=1335105×8-367=473109×7=763356+117-24=449421+(494-248)=667314×2=628949-367=582800-(61+196)=543582+(928-873)=637352+270=622371-(120+67)=184100×8-24=776229+220=449909-159-685=65347+159×3=824319+(880-716)=483989-14-480=495841-24×5=721359-248=111438×2-353=523994-283-632=7940×9+495=855981-499+452=934399+(91-55)=435123×8-401=583479-(352-155)=282778-256×2=266467-272=195468+(325-163)=63023+187-170=40791×2-800=782168+627-702=93148+34+59=241927+377+578=1882766×(675-667)=612812×7=8469+246=315444-48×9=12457+65×3=652490-42-176=272198-(288-228)=138489-272=21773×8=584287-60×3=107888+236+878=2002359+24-85=298914×6=5484146×3-251=187137+792+441=1370382-(190+58)=134708-111=597138+(153-58)=233480-(185+18)=277903-276-581=46439-26×8=231315-71-38=206479-244=235424+771=1195715+285=1000755×(384-375)=6795254-30×2=194251×3-382=371773-343-107=323221+274-92=40354+154=20896×(366-360)=576270-128=142406-(252+116)=38471+(84-52)=503393-(37+92)=264491-49-218=224475+161+189=825890×(716-712)=3560976+117+779=187248×9=43261+957-564=454693-112×2=469422-10×7=352308-58=250102+688+180=970134+324=458827+634+38=149912+(656-32)=636495-57×8=39340-16×8=212597×9=5373895-420-470=5763+(818-302)=1279404-196=208610+(823-535)=898839+77×5=1224461×8-566=3122476-45+158=58979×(107-98)=71190-(15-10)=85471-(142-90)=419343-12×5=2833/7-1/7=2/7647-52×7=283322-130+83=275271-15-36=220152×(17-13)=608413×2=826638-221×2=196402+87=48936+338-240=134114×8-460=452717+711=1428147+53+422=622677×4=2708102-76+144=17074+(417-157)=334729-(527-58)=260752×8-444=5572840-462-315=63124+771+102=997678+838+656=2172318+(108-104)=322429-(209+58)=162748+327-158=91757×2+366=480427-181-68=178439×2=878303-20×6=183995+376-992=379454-267=187758-(919-833)=67244+145=189289-(140+84)=6596+126-90=132850-129-494=22745×4=18032×(167-161)=192664-101-562=121×(405-398)=147968-117×6=266976-(848-286)=414742×(293-284)=6678394×7=2758313-229-23=6137+343-117=263911+133×6=1709861-717-13=131409-(363-205)=251139+468-508=99155+311+652=1118375+(809-691)=49363×(435-431)=252451-(69+280)=102705-648=57822+618-295=114536+416-422=30965-(704-424)=685493-135×2=223327-34×4=191331×2-439=223425-69×4=149839+211=105070+68+823=961257+487=744237+124+442=803139×3+82=499375-351+61=85405×2+21=831358-24×7=190998-(571+347)=80179-116+30=93774×(55-48)=5418216-121-91=4658+934+417=2009149×9-995=346956-(126+703)=127991-(539+444)=8967-288+328=1007318+(280-45)=553288+(389-234)=443952-(497+417)=3892+962-463=59140+435-22=453277+(285-97)=465852+612+305=1769423×2-817=29243+55×6=57386-30=56316-232=844/5-1/5=3/5488-458+284=314661×6=3966100×3+388=688579-389+991=1181268+(240-186)=322428-316=112742-(658+27)=57268×3=804105+(409-365)=149239-(139+15)=85346-308+32=70827+642-101=1368409-(281-156)=284185+557-620=122628+921=1549464-18+895=1341280×3+541=1381496-315-92=89283-22×3=21792-92+580=580369-(175+130)=64399-139-121=139343-189=1545/6-1/6=4/613×2+804=830189+59=248314+(788-160)=942147×(79-74)=7355/7-2/7=3/7419-49×7=76340+65=405319-200=119214-92=122645-(902-826)=569864-470+600=994261-92=169226+447=673694-115×3=349672+111×4=1116367-208-66=93317+127=444533+258+99=890271+11+257=539179-(294-145)=30500+(495-171)=824374-57=317864-(868-221)=217426+64+607=109754+45+862=961613-(602-47)=58110×8=880601+331=932934+777=171135+90=125163-(452-388)=99263-41×6=17303×(432-428)=1212176+145=321959-113-162=684412-(304+30)=78878+372×2=1622895+288-69=111420×2+891=93134×(308-301)=238289-(151+27)=111198-171+333=360477-15-431=31290-285+313=318460+122=582207-27×2=153254+470=724234+437=671367+11+554=932578+111=68925+469-218=276835+973=1808149-104+47=92332+(727-275)=784469-(116+124)=229686-(334+294)=58339-10-276=53495-19=476922-357+177=742592×(738-733)=296027×(87-78)=243834-425+827=1236194+413-80=52799+430+42=571470-157-166=147481+892-635=738437-227-74=136295-31×8=47418×(146-138)=3344431×(456-451)=2155822×2=1644953-(612-441)=782703-336-308=59165+194×4=941108×7-76=680812-609+857=1060259+164×2=58765+308=373952+54×8=1384380-(192+118)=70623×3-971=898350-146+209=413805+546+369=1720100×(236-230)=600185×3+77=632984-(255+613)=116257×(100-97)=771974-112×3=638202+250-260=192438-103-295=4083+24-34=7380×(263-258)=400762×3-822=146431+73+662=766300×2+655=125580+253=33392×9+365=1193297×9=267357+235+126=418349-295=54724-227×2=270359-(845-791)=305182-29×2=124142×5-195=515147+105=252489-336=153355-94+119=380425+871+721=2017211-(133-117)=1952/5-1/5=1/54/8+2/8=6/8690-136=55445+(482-236)=291207-82+210=335613×(620-611)=5517103+557=660270-47-130=93288+(990-138)=1140288×2=576293+358+406=1057666+(669-123)=1212737+120-123=734589×(576-571)=2945334+352=686725-(672-482)=535896+986+421=2303460×6=2760280+(496-277)=499384-63×5=69481-211-23=247109×5+171=716291×2-492=90428-395+286=319801-707=94193+520+471=1184700-(232+117)=351129×7=903348×8-551=2233151-35=11660×(216-212)=240901+383+677=19611/7+4/7=5/7173+26+187=386520+357-476=401129×4+151=667175+178=353345×6-309=1761798-256=542342-145-20=177298-(457-261)=102532-(78+149)=305377-(392-93)=78518×(978-975)=1554508+(821-616)=713367-(266+84)=17171-(497-493)=167228-(230-83)=81992-(713-167)=446281-31+24=274929-(314+382)=233395+495=89083+208=291328×2-153=503230-(245-106)=91614×8-661=4251756+47+288=1091285+293-33=545268+61=329480-16=464446-(825-758)=379449-(487-437)=399890-797+836=929158-(66+30)=62423+(212-31)=604937-(652+175)=110909-282+834=1461146×4-379=2052/4-1/4=1/4500-219-151=130590×5=295072-57=15352-107-238=7665+704-78=1291158+272+370=800425×2=8504/10+2/10=6/10460-216+68=312491-(462-240)=269834-(787-313)=360477-(363-266)=380399+99-133=365438-(267+88)=83131+(443-53)=52176×7=532102×(67-58)=918283×(904-896)=2264441-406+185=220949-(375+458)=116299-235-27=37614-(225+100)=289270+(368-158)=48095×2+21=211279-147+275=407155×6-366=56487×(74-70)=348619×(131-126)=3095814-231=583179+217+430=826704-40×8=384177×3-66=465154×6-416=508106×4+374=798263-(130-81)=21455×7=385881-468=413283+(964-613)=634989-35×8=709533-507+485=511100+335-370=6524+105×4=4445/8-2/8=3/8443-(151+128)=164528×3-704=880400-39