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三年级数学(上)计算题专项练习附答案297+75=990+492=39+198=382+224=232+169=465+203=55+163=235+711=26+93=290+465=214+199=788+569=70+334=889+864=82+90=258+45=307+80=656+685=23+122=226+539=178+149=212+372=79+61=983+404=156+187=96+557=39+215=463+116=26+70=765+806=113+211=168+83=106+337=351+339=161+27=298+207=406+74=499+524=125+159=108+381=111+88=329+146=99+247=360+378=111+188=348+81=314+119=398+596=129+107=470+639=166+239=474+306=77+392=430+997=254+126=293+182=80+297=335+337=86+257=174+796=334-320=379-113=104-35=748-354=194-13=639-298=384-281=991-146=114-55=974-234=319-35=471-361=312-258=988-880=194-156=668-616=439-236=682-508=274-220=238-138=275-63=842-774=402-184=695-154=281-189=228-82=395-36=969-781=412-260=980-936=468-173=93-46=321-190=904-483=82-10=920-236=412-280=844-571=131-104=873-663=342-76=637-548=375-175=961-60=161-97=956-734=480-252=875-693=426-35=877-320=402-325=533-419=430-367=288-66=261-63=875-623=267-98=935-285=432-26=922-249=112×5=822×6=207×4=119×3=54×9=279×5=259×3=222×2=59×9=349×4=65×5=339×4=20×5=603×2=392×2=798×4=199×5=725×9=373×2=424×8=27×3=142×5=348×2=557×2=78×3=800×9=62×5=447×4=264×3=184×6=386×2=437×3=76×9=182×6=252×3=476×6=257×3=12×2=18×6=586×8=93×7=412×8=306×2=969×2=174×5=393×5=86×2=89×3=29×8=307×6=37×3=787×2=120×8=393×8=244×3=180×6=112×3=120×9=326×3=925×6=157+212+222=709+814+626=43+773+177=287+886+473=29+63+328=516+763+702=55+59+650=671+406+519=25+276+173=882+703+946=681+260+57=153+524+817=65+501+433=647+330+340=575+252+59=665+692+458=268+223+473=201+32+570=69+152+738=831+892+412=191+417+375=635+779+750=142+588+251=691+519+931=328+278+153=371+315+15=16+263+423=76+129+689=213+254+260=28+380+744=424+53+18=920+147+676=187+81+284=812+827+475=292+329+13=781+973+409=574+214+204=989+604+876=344+58+499=733+679+419=113+115+214=983+380+254=199+585+214=788+163+487=199+72+444=862+828+905=448+273+11=31+100+546=246+77+652=74+66+36=175+54+594=601+360+477=134+90+160=183+506+145=131+181+355=87+342+762=138+136+374=555+780+640=305+106+140=226+606+839=314+90-302=91+68-96=208+160-256=843+804-287=146+72-179=930+806-95=171+137-98=97+949-785=215+142-248=852+704-73=29+142-162=82+410-463=317+105-299=945+727-90=151+180-155=365+198-498=162+123-59=616+273-40=274+190-180=628+159-651=344+91-303=831+744-459=361+99-244=658+262-612=243+109-333=105+426-251=300+111-358=269+853-681=97+21-49=669+770-993=11+288-279=913+341-981=208+282-386=365+82-14=42+248-165=688+352-236=179+88-106=997+744-178=196+228-30=247+778-220=94+365-46=289+779-643=157+330-472=834+486-55=149+134-40=404+525-798=57+34-43=602+319-336=19+456-245=964+259-568=203+12-73=896+295-182=229+77-197=645+968-40=346+18-128=971+718-209=223+178-271=235+892-710=43+378-289=677+35-692=354-82-168=674-459-40=439-113-152=872-158-368=234-59-78=992-478-477=304-48-47=891-395-485=477-213-162=683-166-421=495-218-148=275-59-128=181-82-46=854-373-303=353-244-40=126-12-25=453-125-12=683-51-154=484-86-147=778-298-360=430-19-181=985-107-175=349-150-102=323-88-134=465-44-31=793-360-252=363-223-114=833-382-259=435-339-73=599-84-128=276-28-153=754-146-107=470-194-211=982-425-190=383-67-215=817-72-698=453-73-95=981-474-480=424-155-60=414-305-99=367-83-119=395-242-60=493-324-19=583-208-331=300-96-115=718-210-134=429-112-287=296-37-31=419-141-181=785-287-80=444-76-66=857-551-279=497-110-380=803-43-570=358-75-32=936-251-494=353-68-75=553-91-452=364-14-142=890-277-404=342-49+57=409-274+582=84-80+46=540-361+236=237-141+303=535-174+196=242-63+298=765-244+953=59-50+293=681-134+502=390-362+332=432-222+137=433-363+196=880-72+667=331-235+393=488-229+307=134-10+270=755-695+338=453-439+318=994-345+77=219-77+227=312-208+160=410-155+179=695-287+887=75-39+303=441-427+271=368-217+318=202-52+384=388-105+71=139-116+49=346-49+28=706-231+380=177-85+109=799-41+208=246-82+166=889-227+191=366-56+83=364-110+228=77-62+255=992-645+231=339-239+138=811-478+538=196-124+241=845-248+743=123-25+249=644-82+380=321-134+61=893-211+792=426-166+186=860-724+963=422-105+60=392-188+420=84-74+194=927-779+576=241-155+404=905-777+631=491-123+69=960-216+244=370-185+39=659-361+629=376+(274-257)=563+(538-238)=259+(391-321)=681+(772-708)=467+(126-46)=621+(941-385)=109+(316-280)=108+(304-92)=19+(305-61)=312+(140-73)=97+(324-128)=398+(894-631)=72+(459-104)=419+(764-705)=120+(147-87)=168+(764-98)=94+(149-34)=489+(389-355)=162+(392-135)=50+(641-613)=349+(150-101)=514+(682-20)=11+(484-154)=73+(494-43)=131+(466-107)=190+(905-817)=401+(226-127)=155+(812-678)=367+(352-334)=832+(766-181)=43+(391-325)=94+(759-173)=64+(339-190)=846+(950-479)=94+(480-194)=858+(753-267)=451+(192-83)=560+(863-475)=326+(195-23)=136+(917-737)=59+(274-76)=995+(861-642)=292+(48-25)=840+(256-104)=45+(313-311)=102+(989-614)=218+(408-109)=339+(972-872)=239+(421-251)=235+(496-52)=457+(321-254)=470+(329-282)=319+(355-336)=96+(790-63)=221+(420-297)=250+(728-515)=137+(111-25)=781+(217-20)=429+(327-262)=724+(845-413)=269-(48+219)=825-(317+445)=384-(21+143)=811-(164+365)=335-(23+213)=662-(258+374)=447-(22+232)=477-(128+77)=415-(108+173)=876-(24+76)=454-(103+76)=844-(20+17)=422-(227+55)=714-(414+191)=235-(101+61)=939-(121+666)=495-(118+184)=754-(18+26)=231-(146+73)=890-(425+165)=357-(44+137)=920-(383+392)=400-(41+115)=749-(356+243)=316-(161+149)=843-(316+168)=369-(55+38)=811-(36+352)=356-(22+100)=169-(82+11)=420-(174+116)=212-(47+165)=415-(178+220)=618-(409+151)=350-(222+51)=441-(208+109)=433-(185+67)=873-(491+248)=105-(64+18)=832-(604+56)=453-(42+192)=803-(168+157)=135-(82+52)=877-(516+82)=482-(15+371)=576-(298+81)=382-(79+33)=734-(271+227)=500-(108+275)=540-(471+47)=223-(36+161)=556-(267+146)=488-(334+30)=988-(767+127)=497-(237+97)=733-(362+89)=477-(253+70)=691-(107+54)=239-(27+11)=819-(135+227)=395-(228-96)=397-(196-143)=284-(147-134)=955-(19-11)=372-(496-421)=835-(239-195)=405-(353-313)=389-(578-267)=191-(373-343)=248-(388-163)=257-(283-104)=998-(905-173)=235-(282-50)=343-(495-195)=315-(445-411)=892-(357-306)=291-(255-31)=823-(941-380)=295-(326-59)=909-(905-129)=463-(274-127)=442-(102-17)=316-(498-442)=258-(811-694)=194-(428-391)=604-(822-332)=368-(429-76)=246-(611-490)=272-(323-218)=908-(720-126)=276-(150-15)=845-(954-182)=392-(428-384)=987-(836-325)=493-(290-263)=600-(453-295)=168-(165-114)=830-(834-777)=354-(329-207)=722-(425-225)=230-(355-232)=779-(933-470)=459-(176-144)=570-(751-463)=197-(421-398)=216-(638-621)=335-(472-269)=837-(994-765)=337-(304-78)=768-(286-82)=417-(494-235)=955-(168-18)=87-(380-315)=418-(420-230)=387-(461-193)=709-(941-627)=399-(473-441)=529-(234-116)=385-(380-327)=378-(898-828)=83+21×7=967+45×2=188+41×3=152+47×8=184+66×2=91+15×2=454+56×8=144+66×8=205+295×2=660+108×2=307+27×5=799+111×6=459+74×5=291+470×2=157+29×7=706+83×9=292+108×4=858+205×4=325+109×4=87+476×2=428+256×2=791+133×7=123+55×7=932+190×5=256+21×2=545+40×8=177+89×4=636+462×2=160+16×6=26+78×9=76×7+409=38×5+909=90×3+356=198×2+627=343×2+238=75×8+838=35×5+328=106×4+820=155×2+346=62×3+422=185×5+63=174×5+758=75×4+115=116×6+679=146×3+242=365×2+267=29×3+130=32×9+697=157×4+119=279×2+676=78×6+430=81×5+129=253×2+182=236×3+64=31×6+111=225×2+496=101×3+410=452×2+630=124×3+70=72×7+602=234-28×6=962-418×2=323-70×4=706-129×5=345-39×6=863-390×2=429-30×5=986-364×2=206-27×5=466-222×2=425-70×6=260-72×3=450-117×2=696-57×6=249-10×3=699-68×8=420-23×9=562-23×9=357-175×2=796-25×8=395-31×3=743-41×3=103-11×6=453-79×5=349-174×2=461-133×2=431-128×3=871-374×2=223-35×3=511-26×4=200-98×2=879-359×2=462-156×2=377-40×6=487-133×2=380-150×2=420-69×4=788-25×9=496-31×2=955-54×9=258-25×9=893-207×2=379-40×8=472-215×2=360-31×5=393-148×2=159-39×3=891-115×5=384-35×5=981-140×4=225-78×2=943-405×2=495-67×2=612-47×6=206-26×4=758-26×3=245-59×3=837-142×4=471-32×6=637-184×2=487×2-555=894×5-562=299×2-173=613×4-288=64×6-355=63×9-302=191×5-330=231×6-900=295×2-421=571×4-335=295×2-43=525×5-388=174×5-106=831×7-421=106×9-237=114×9-167=227×4-155=642×9-744=210×4-475=830×4-742=28×8-127=753×8-735=307×3-615=591×8-457=211×4-293=141×6-770=135×4-14=230×5-715=132×6-169=217×9-868=163×2-134=616×5-947=129×6-432=539×9-608=146×5-387=457×5-44=172×2-328=772×5-421=401×2-273=830×6-739=146×5-531=26×7-95=82×9-196=863×9-675=106×8-321=361×3-291=115×7-39=900×2-96=45×7-125=123×3-291=43×4-81=489×3-540=489×2-835=847×3-327=38×2-10=471×3-244=451×2-688=499×9-78=376×2-420=867×8-741=223×(234-231)=747×(893-890)=90×(385-381)=496×(352-346)=220×(102-98)=50×(649-640)=99×(43-38)=901×(920-916)=89×(452-444)=176×(944-941)=142×(330-324)=637×(477-473)=162×(321-316)=500×(943-940)=225×(102-99)=212×(960-955)=84×(190-181)=61×(45-37)=179×(73-69)=147×(661-658)=105×(137-134)=195×(78-75)=56×(52-45)=826×(672-667)=71×(61-58)=37×(121-115)=59×(81-75)=360×(394-391)=79×(429-421)=776×(314-311)=12×(214-209)=696×(835-829)=208×(474-471)=90×(626-621)=17×(368-359)=166×(836-827)=101×(282-274)=370×(593-584)=175×(159-156)=514×(231-224)=75×(67-58)=146×(557-552)=26×(456-451)=890×(436-431)=25×(462-457)=312×(118-115)=76×(195-187)=874×(330-321)=20×(121-115)=259×(494-485)=143×(141-136)=690×(639-630)=20×(242-238)=675×(710-705)=33×(498-490)=97×(441-438)=158×(14-11)=229×(577-571)=279×(495-492)=824×(305-302)=3/6+2/6=1/9+6/9=4/8+3/8=1/5+2/5=1/4+2/4=2/10+6/10=1/7+4/7=2/5+3/5=1/5+3/5=1/7+3/7=4/8+2/8=3/7+2/7=2/4-1/4=4/6-1/6=5/8-2/8=6/9-3/9=2/6-1/6=9/10-1/10=4/8-2/8=3/7-2/7=5/7-1/7=2/10-1/10=3/6-1/6=3/5-1/5=参考答案297+75=372990+492=148239+198=237382+224=606232+169=401465+203=66855+163=218235+711=94626+93=119290+465=755214+199=413788+569=135770+334=404889+864=175382+90=172258+45=303307+80=387656+685=134123+122=145226+539=765178+149=327212+372=58479+61=140983+404=1387156+187=34396+557=65339+215=254463+116=57926+70=96765+806=1571113+211=324168+83=251106+337=443351+339=690161+27=188298+207=505406+74=480499+524=1023125+159=284108+381=489111+88=199329+146=47599+247=346360+378=738111+188=299348+81=429314+119=433398+596=994129+107=236470+639=1109166+239=405474+306=78077+392=469430+997=1427254+126=380293+182=47580+297=377335+337=67286+257=343174+796=970334-320=14379-113=266104-35=69748-354=394194-13=181639-298=341384-281=103991-146=845114-55=59974-234=740319-35=284471-361=110312-258=54988-880=108194-156=38668-616=52439-236=203682-508=174274-220=54238-138=100275-63=212842-774=68402-184=218695-154=541281-189=92228-82=146395-36=359969-781=188412-260=152980-936=44468-173=29593-46=47321-190=131904-483=42182-10=72920-236=684412-280=132844-571=273131-104=27873-663=210342-76=266637-548=89375-175=200961-60=901161-97=64956-734=222480-252=228875-693=182426-35=391877-320=557402-325=77533-419=114430-367=63288-66=222261-63=198875-623=252267-98=169935-285=650432-26=406922-249=673112×5=560822×6=4932207×4=828119×3=35754×9=486279×5=1395259×3=777222×2=44459×9=531349×4=139665×5=325339×4=135620×5=100603×2=1206392×2=784798×4=3192199×5=995725×9=6525373×2=746424×8=339227×3=81142×5=710348×2=696557×2=111478×3=234800×9=720062×5=310447×4=1788264×3=792184×6=1104386×2=772437×3=131176×9=684182×6=1092252×3=756476×6=2856257×3=77112×2=2418×6=108586×8=468893×7=651412×8=3296306×2=612969×2=1938174×5=870393×5=196586×2=17289×3=26729×8=232307×6=184237×3=111787×2=1574120×8=960393×8=3144244×3=732180×6=1080112×3=336120×9=1080326×3=978925×6=5550157+212+222=591709+814+626=214943+773+177=993287+886+473=164629+63+328=420516+763+702=198155+59+650=764671+406+519=159625+276+173=474882+703+946=2531681+260+57=998153+524+817=149465+501+433=999647+330+340=1317575+252+59=886665+692+458=1815268+223+473=964201+32+570=80369+152+738=959831+892+412=2135191+417+375=983635+779+750=2164142+588+251=981691+519+931=2141328+278+153=759371+315+15=70116+263+423=70276+129+689=894213+254+260=72728+380+744=1152424+53+18=495920+147+676=1743187+81+284=552812+827+475=2114292+329+13=634781+973+409=2163574+214+204=992989+604+876=2469344+58+499=901733+679+419=1831113+115+214=442983+380+254=1617199+585+214=998788+163+487=1438199+72+444=715862+828+905=2595448+273+11=73231+100+546=677246+77+652=97574+66+36=176175+54+594=823601+360+477=1438134+90+160=384183+506+145=834131+181+355=66787+342+762=1191138+136+374=648555+780+640=1975305+106+140=551226+606+839=1671314+90-302=10291+68-96=63208+160-256=112843+804-287=1360146+72-179=39930+806-95=1641171+137-98=21097+949-785=261215+142-248=109852+704-73=148329+142-162=982+410-463=29317+105-299=123945+727-90=1582151+180-155=176365+198-498=65162+123-59=226616+273-40=849274+190-180=284628+159-651=136344+91-303=132831+744-459=1116361+99-244=216658+262-612=308243+109-333=19105+426-251=280300+111-358=53269+853-681=44197+21-49=69669+770-993=44611+288-279=20913+341-981=273208+282-386=104365+82-14=43342+248-165=125688+352-236=804179+88-106=161997+744-178=1563196+228-30=394247+778-220=80594+365-46=413289+779-643=425157+330-472=15834+486-55=1265149+134-40=243404+525-798=13157+34-43=48602+319-336=58519+456-245=230964+259-568=655203+12-73=142896+295-182=1009229+77-197=109645+968-40=1573346+18-128=236971+718-209=1480223+178-271=130235+892-710=41743+378-289=132677+35-692=20354-82-168=104674-459-40=175439-113-152=174872-158-368=346234-59-78=97992-478-477=37304-48-47=209891-395-485=11477-213-162=102683-166-421=96495-218-148=129275-59-128=88181-82-46=53854-373-303=178353-244-40=69126-12-25=89453-125-12=316683-51-154=478484-86-147=251778-298-360=120430-19-181=230985-107-175=703349-150-102=97323-88-134=101465-44-31=390793-360-252=181363-223-114=26833-382-259=192435-339-73=23599-84-128=387276-28-153=95754-146-107=501470-194-211=65982-425-190=367383-67-215=101817-72-698=47453-73-95=285981-474-480=27424-155-60=209414-305-99=10367-83-119=165395-242-60=93493-324-19=150583-208-331=44300-96-115=89718-210-134=374429-112-287=30296-37-31=228419-141-181=97785-287-80=418444-76-66=302857-551-279=27497-110-380=7803-43-570=190358-75-32=251936-251-494=191353-68-75=210553-91-452=10364-14-142=208890-277-404=209342-49+57=350409-274+582=71784-80+46=50540-361+236=415237-141+303=399535-174+196=557242-63+298=477765-244+953=147459-50+293=302681-134+502=1049390-362+332=360432-222+137=347433-363+196=266880-72+667=1475331-235+393=489488-229+307=566134-10+270=394755-695+338=398453-439+318=332994-345+77=726219-77+227=369312-208+160=264410-155+179=434695-287+887=129575-39+303=339441-427+271=285368-217+318=469202-52+384=534388-105+71=354139-116+49=72346-49+28=325706-231+380=855177-85+109=201799-41+208=966246-82+166=330889-227+191=853366-56+83=393364-110+228=48277-62+255=270992-645+231=578339-239+138=238811-478+538=871196-124+241=313845-248+743=1340123-25+249=347644-82+380=942321-134+61=248893-211+792=1474426-166+186=446860-724+963=1099422-105+60=377392-188+420=62484-74+194=204927-779+576=724241-155+404=490905-777+631=759491-123+69=437960-216+244=988370-185+39=224659-361+629=927376+(274-257)=393563+(538-238)=863259+(391-321)=329681+(772-708)=745467+(126-46)=547621+(941-385)=1177109+(316-280)=145108+(304-92)=32019+(305-61)=263312+(140-73)=37997+(324-128)=293398+(894-631)=66172+(459-104)=427419+(764-705)=478120+(147-87)=180168+(764-98)=83494+(149-34)=209489+(389-355)=523162+(392-135)=41950+(641-613)=78349+(150-101)=398514+(682-20)=117611+(484-154)=34173+(494-43)=524131+(466-107)=490190+(905-817)=278401+(226-127)=500155+(812-678)=289367+(352-334)=385832+(766-181)=141743+(391-325)=10994+(759-173)=68064+(339-190)=213846+(950-479)=131794+(480-194)=380858+(753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