三年級數(shù)學下冊口算練習題1000道

268X1=979-630=230+658=1904-5=7124-8=1174-3=356-245=72X8=1X261=292-132=9314-1=777-321=530+43二723+765=922-663=2X437=944-2=925-174=245X2二6804-4=941-279=463+945=104X9=911-199=35X9二995-789=359+883=1084-2=359+12=548+960=822-144=687-119=9X38=1614-7=1424-2=972+768=2X186二5X46二661-325=2674-3=196X5=375-370=874-793=152+502=13X29=326-206=805+23二158X3=481+179=36?6二330+306=370X2=230-135=5684-8=946-636=793+907=960-868=120+969=6964-2=43X6二3364-4=810+955=511-500=51X7=749-570=873-272=310-148=344-2=28+338=2X378=2X346=3X37二635-173=690-490=473X2=746-715=376X2二1X119=2184-2=5404-2=793-123=666-257=18X43=500X2=706-200=722-110=762X1=100-95=181+982=829-529=42X17=4384-6=668XI二449+60=866-130=8664-2=325+680=490X2二23X2=127X6=848-234=497-238=7284-1=1X955=971X1=3X228=826-616=2X381二840-591=531-446=

128-38=271+442=1264-1=2X110=689+984=412-291=1484-2=9244-3=961-101=740-680=789+839=793-711=689+877=2X500=943-828=600-185=9774-1=971-164=780-445=382-213=8784-2=395+632=4644-8=653X1=798+519=7114-9=3994-3=20+819=3684-8=443-402=901+155=495+965=919-801=880+592=6444-7=25X39=2X495二136?8二7604-2=4X93二310+389=503+110=288?8二712+661=2X144=797+408=929+990=523+800=5594-1=755-155=566+293=947-118=3X281=966-951=9104-5=139+357=32?4=5X149二720+863=835-576=660+482=134-13=912?2二7X29二447-255=13X26=476-42=6644-4=50+639=9X101=403+836=595+557=4134-7=827+726=314+802=7834-3=27X17=521-287=805+979=963-599=4X92=322+135=229X2二752-426=360-41=116X3=93X5=442XI二7264-6=794+920=99-89=128X4=51+252=322X1=670X1=559++889=22X8=534-41=432-232=9X24=2X416=434?2=78X2二13X28=941X1=988+440=959-857=683-542=776+83=207X1=

129X2=915+755=330-201=1864-3=829-580=7X141=380+27=462-302=154X6二197X5=9854-1=2X478二690-39=800-273=5044-4=954+520=442-249=461+726=795-287=60X11=8224-3=244-138=974+650=952-903=141+523=608-226=809+207=524-2=63X6=11+800=519?1二610-85=537-269=883+319=10X83=224?4=108X5二260X2二2604-2=2X77二751-54=503+294=146X5=585-235=805-476=837++41=1X603=1X771=72+125=2X143=661-214=842-571=234?6二859-29=63+53=785+103=485+648=609-411=24X34=219+867=285-141=2X153二1X984=1X263=655-377=3604-4=4684-4=83X4=989+125=40X8二1X266=541++816二34X3=461-227=124X7=699+245=374+942二699+486=713+31=781+372=334-23=808+465=243+601=529+511=888-106=876+806=1X322=8674-1=2554-3=163+856=1524-4=724-3=879+374=540-166=644+159=561-62=591+321=728-583=2X253=8474-1=556-29=926-497=303X2=988-909=7854-1=4X139=739-536=999+969=344+19=15X39=

2374-1=252+259=684-1=1924-6=1X930=375-168=67X4=947-501=581+663=6X96二346+604=583-429=907+395=1X959=2474-1=59X1=267X2=2068-29=230X1=163-82=555+915=594-337=701-71=825-398=959+331=7+699=57X11=295?5二415+347=19+657=295-224=933-378=2X92=466+42=1X871=5X141=970-764=5X70二708-402=811-90=1644-4=6X61二9564-4=3304-1=818-530=290+66=3844-1=736-421=923+798=429+446=881X1=554+255=5164-4=341-328=779-91=984-652=92?4=638-617=186X4=924+910=540+442=7X103=6424-6=26X30=532-53=278?1二353+275=29X33二655+906=755+178=657+992=578+803=761-39=95+145=648+816=304-5=846-338=997+538=145+840=9684-8=4604-4=985-546=14X8=473-187=924-39=772-377=712-615=88+241二6164-4=7674-1=387-373=613-281=3604-8=630-160=4684-1=569X1=5774-1=599XI二6+610=960-401=469+399=146-116=2X289二775-682=4304-1=829-423=15X14=608-309=1X630=5404-5=

300+409=176+29=524+751=631-485=49X12=934-41=332+29=1X28=2904-5=5004-5=709-643=531-194=891-491=56X13=868-184=57X5=1X795二803++831二568+616=736-173=529-224=669-453=369+122=365+22=568-189=240+641=895+591=IX477二7X136=85X10=956-160=63+894=8334-7=7X93=656-383=5X61=215+608=32X21二388-129=7204-1=812+329=321-152=4064-2=506+100=330X2=588++987=865+696=4004-1=781-174=807-40=64+319=889+243=227-92=444+661=970X1=164-1=665-131=762-5=870-734=607-246=929+879=779-651=827-614=7X67=5X125=452+676=387-71=1X875=307+549=136X7=730-385=349+43=798-726=7204-2=477+837=822+145=269-90=3X264=917X1=819+158=105++384=689X1=1564-2=168+567=928-36=506+416=50X7=486-98=686-601=22X17=634-1=608+806=863XI二2854-1=594?1=950-27=715X1=648+442=11X22=22X31=971+316=5804-4=963+486=5084-4=705X1=737+716=819+602=992?8二701+995=13X21=

905X1=208+518=20X4二7X142=1X685=9344-1=4524-1=539+780=245+882=3964-4=4X27=4X244=346+815=5X170=84X1=223X3=972-246=994-993=345-159=7704-7=4614-1=504-2=245?1二574+787=258+685=172+979=801-445=806++611=8004-2=956-871=780-485=403-93=680+802=4484-2=4084-6=8X56=7564-4=17+407=789+52=6794-1=463-419=53X5二264+925=676+545=960-26=1X965=9064-3=10X69=5864-2=7484-4=261-196=513-57=329+537=119X2=828-621=21X34=3X302=19X36=466X2=25-11=5284-3=8534-1=70X12=130X6=131+688=846?3二552+137=39X1=117X3=8744-1=35X19=9984-2=6594-1=978-157=6094-7=984-244=6004-3=735-315=829-750=183+626=633+682=483-454=3X176=7X117=20X10二628+395=8284-2=790+925=886-45=952+508=890+72=74X2二534+149=708+905=218X1=940-735=2724-8=9634-1=979-120=707+605=824-346=7444-3=24+269=392-164=952-694=701+395=672-446=522-219=465-133=517-276=

8X67=6134-1=439-184=9084-4=489-36=124-4=450+906=462+760=1834-1=820-30=8634-1=454-9=335+708=662-538=656+910=168?3二8X74=1X788=5714-1=2944-2=39X25=7904-5=788-209=2X235=318X2=4324-1=1X452=141+872=4X112=829+872=328-15=12X37=882+53=5244-4=991-941=17X6=851+620=180+79=628+763=295-15=976-544=10X46=82X3=350X1=1X515=6214-9=2034-7=315X3=5674-1=641-437=125X1=253-81=976?2二939-645=6994-3=1X756=26X13=866-203=792-606=639-190=11X78=2464-1=714X1=599-368=7X88=75+649二334-1=808-587=838-684=683-611=684-434=242+337=858+2=940-888=1X737=137X6=8614-1=710-647=104-90=6364-6=4204-4=954+180=214+868=6434-1=1X201=44X1=9054-1=468+158=635+32=446-411=2X163=12+833=817-169=153X3=874-348=805-138=386+403=412+305=3174-1=989+469=991-87=317-272=7964-4=9364-6=736-422=568+251=468-289=713-376=478-161=777-616=

465+431=430X2二32X19=8X600=21X40=754-443二43XI二5944-6=410+5=897+82=389+75=546-516=560-233=6004-8=41X3二980-247=464-372=34X5二452-442=509+910=1X942=6904-3=488-163=676+784=8644-1=8734-1=356+581=553-526=165+418=201-139=871+179=955+50=427-73=14X44二8954-5=12X43=234-57=983+570=1804-4=432X1=849-369=511+369=78X11=61X2=112+195=685X1=1X828=578+524=415X1=316+162=874+405=648+295=13X70=8724-8=4X105=947-870=488+379=3X114=755=127X1=133+38=913-644=39+3=558-507=970+241=144?1=955+267=4004-5=564-51=5104-3=217+597=16X32=700X4=239+877=901-29=59X2=175+637=940++422=692-661=610+775=29X18=20X38=6X112=454X2=6304-6=314+830=27+838=1X957=454+960=9784-1=5444-8=7444-8=365+872=739X1=165X2=2X80二862-704=2X296二699-673=9004-30=618?1二7764-4=66X9二5164-6=455+199=1X987=651+207=7024-9=95X3=324+46=

225+514=5854-3=IX846二9X37=2000+500=705+760=972+410=326?2二1X678=200X3=343-307=560?8二451-100=18+634=9X300=441X1=37X8=270?2二914+624=90?9二462-11