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1、小数除法练习题一、填空：（11 分）1）小数除法的意义和整数除法的意义相同，就是已知两个因数的（）和其中一个因数，求（）的运算。2）除数是整数的小数除法，按照（）除法的法则计算，商的小数点要和（）的小点对齐，如果除到被除数的末尾仍有余数，就在余数后面添（），再继续除。3）被除数与除数同时扩大10 倍，商（）。4）两个数相除时，如果除数扩大100 倍，要使商不变，被除数应（）。5）计算 2.0251.47时，先将 1.47的小数点向（）移动（）位，使它（），再将除数2.205的小数点向（）移动（）位，最后按除数是整数的除法进行计算。6）两个不为0 的数相除，除数（）时，商就大于被除数；除数（）时
2、，商就小于被除数。7）8.24 0.063保留一位小数，商就要计算到第（）小数。8）7.986 精确到十分位是（）；保留两位小数是（）。9）一个三位小数精确到百分位取近似值是3.80，这个三位小数最小可能是（），最大可能是（）。10）在（）内填上“”或“”：3.45 0.99（）3.45 1.88 1.01（）1.88 二、计算：（51 分）1、直接写出得数：（8 分）6 5=0.2 0.4=1.6 0.8=4.2 2.1=0.2 0.6=4.6 0.46=0.5252=7.1 0.1=2、列竖式计算：（18 分）18 24=43.6826=25.3 0.88=0.1575 3.15=0.61
3、21.8=2496=8.64 8=29.2929=1110.37=用竖式计算（得数保留一位小数）10.0532 210 187 4.0352.4 16.7870.28 用竖式计算（商用循环小数表示）20 6 10 3.3 35 74 四、列式计算：（8 分）（1）用 0.56去乘 23.79除以 2.6的商,（2）8.45除以 1.3 的商,再除以积是多少？2.6,商是多少？五、应用题：（30 分）文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10
4、P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2
5、X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3
6、O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8
7、G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4
8、T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编
9、码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X
10、2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T101、一个筑路队7.5 小时修路136.5米,照这样计算,8 小时可修路多少米？2、一个长方形的长是9.3 厘米,等于宽的1.5 倍。这个长方形的面积是多少平方厘米？3、工程队修一条公路,原计划每天修路1.65千米，20 天可以完成。实际只用了15 天，实际平均每天修路多少千米？4、标准件厂今年6 月份工业用电4.5 万度，7 月份用电量是6 月份的 2.6 倍，两
11、个月共用电多少万度？5、4 台磨粉机5 小时磨面粉13 吨。照这样计算，4 台磨粉机 8.25小时能磨面粉多少吨？文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8
12、G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4
13、T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编
14、码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X
15、2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10
16、P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2
17、X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T106、榨油厂 240千克油菜籽能榨油100.8千克，照这
18、样计算，若榨油210 千克需油菜籽多少千克？文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U
19、3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI
20、8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C
21、4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档
22、编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1
23、X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10文档编码:CD1X2F8Z10P2 HY2X4T3U3O8 ZI8G7S5C4T10