三年级数学下册口算练习题-共计5页

27127= 7005=35070= 5913=8122= 1782=3080=8008=26585= 11035= 0335=0305=0285= 2955=3000300= 6055=5050= 3063=702199= 4803=12080=278=6215= 8604=195=4020=520430= 5117= 1561=873=9131= 8010= 4655=40020= 2107= 45009= 580=30030=88112= 368=867= 2790= 333= 8808= 4808= 2222= 1650= 1939=27030= 927= 3860= 1304= 8103= 7224= 164= 676=3632= 554=50-244=999= 89-7=72726=8210= 90303=680-20=1233=588=5730=86862=827= 1834=5060=45555632131=102207304555540.6=6.54.7=4.62.4=3.86.6=40580752553201801718=62-17=600300153743946=28070=50.5=2154=1.5-0.7=450175=45917789466=1252521.2-0.3=7.32.9=100.7=8.2-5=9159750785146600501.30.5=549=7.12.4=2.31.6=56.42.8=268=540360=100060=25025=3108040633626382517=36053268567964288030=6070=1854060546325383619166050030930273012501563230520160450087058442300572091802009085563092406841242031000575155604=95151017200472440005090531010304202300251.10.9=0.90.8=2540=103329=428471=190360=14060=14325=34200=25300=3600300=296304=29030=3017=64040=31257=437163=820560=25437=27445=35529=4761736=7922=4529=354=3005=3520=2130=1018=5060=215=4520=6070=3642=6525=2734=2514=3511=2719=5321=966=8404=56007=4806=380025=2406=183=3065=5768=906=4816=9624=90045=38060=2107=245=2303=510=3554=32-328=45（16-7）=508211419=1208=1947166900523343924770569621170=3040=4584=8930=3248=70324322=5268=8905=6986742=154=968=1407=80244=7212=946=320040=480060=15020=3847=60312=455636963836453337634681254=40080=40008=8421=7208=6030=6903=3885=8164=30930=2981=4060=50(34)=308=1600-12=1258=2238=3620=4806=08=2005=6307=3017=1115=2070=77-9=45-27=0169=260680=136-70=455=45059=370-190=6012=2204= 5003= 1203= 313087074027301010150470316405030703 3520644（ ）6= 50 500 （ ）=700 （ ）700=300 900-（ ）=100 20030 23020 1303513243342155 4907 213 1561206254 145 3060 25401258 135754308710530 12004517 483906 14005 128922 150432002 2420 283613 6505 90061047 1220 182 84319005 7204 5070 2630 184 36204250 1602 48025060484183 6800 1108 1305 （ ）70=13050（ ）=200（ ）-300=500 35（ ）=7350（ ）=1000 1140 999=7002= 611=83-37= 90-34 =223=2120=2949= 500300= 4004 =4700= 800300= 6017= 728=154=4700-700= 888= 123= 637=2008=1104= 3310= （ ）8=400 1000-（ ）=700（ ）5 =30 （ ）+500=1000 37003000= 5006=6500-300=213= 6700200=7600= 6003=5004= 3504= 442= 9033=85-49=6817= 4446