三年级数学下册2《除数是一位数的除法》笔算除法(一位数除三位数的笔算)同步练习新人教版.doc

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1、1一位数除三位数的笔算同步精品练习轻松准备小朋友,你知道今年 的年龄是 的几倍吗?答案 1244=31快乐学习1. 填一填。 教#2列竖式计算。1923 3039 66879365 3879 24823不用计算,你知道哪些算式的商是两位数吗?在这些算式后面的方框里画“” 。4842 口 1644 口 2597 口1842 口 2155 口 4853 口4医生给小明检查身体后告诉他:“你 5 分钟心跳的次数是 395 次。 ”25三年级有 4 个班,每班平均分成 6 个组,一共有学生 192 人。平均每组有多少人?6在口里填上合适的数。4 口口4=1121 4 口口2=222口7.8.(1)年爷

2、爷的年龄是兰兰的几倍?(2)明年爷爷的年龄是兰兰的几倍?9. 3李阿姨要把 642 件儿童玩具分装在同样大小的纸箱里,如果每个纸箱装 8 件。李阿姨至少需要准备多少个纸箱才够用?拓展提高10把下面的竖式填写完整。11图书室两个书柜共有书 264 本,如果再放人 6 本书到甲柜中,从乙柜中拿走 2 本书,这时两个柜子的书就同样多了。问两个书柜原来各存书多少本?12.葡萄:8 元千克,香蕉:6 元千克,黄瓜:3 元千克,茄子:4 元千克。(1)王叔叔买一种水果用了 104 元,买一种蔬菜用去 128 元,王叔叔买了哪种水果,哪种蔬菜?各买了多少千克?(2)如果王叔叔用这些钱只买黄瓜,可以买多少千克?答案与点拨2. 64 336 953 1871 43 1244. 3955=79(次)5. 19246=8(人)6.4494=1121 4452=2221 (点拨:余数只能填 10)7. 5409=60(米)8(1)655=13(2)(65+1)(5+1)=119. 6428=80(个)2(件)80+1= 81(个)11. (264+6-2)2=134(本)12(1)买了葡萄:1048=13(千克)买了茄子:1284=32(千克)(2) (104128) 3=77(千克)1(元)可以买 77 千克。4

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