题目内容
| 口算． 0.51÷0.03= |
32.8+19= | 5.2÷0.13= |
| l.6×0.4= | 3.2×6= | 1÷5= |
| 6÷1.5= | 0.87-0.49= |
分析：根据小数加、减、乘、除计算的计算方法进行计算．
解答：
| 解： 0.51÷0.03=17 |
32.8+19=51.8 |
5.2÷0.13=40 |
| l.6×0.4=6.4 | 3.2×6=19.2 | 1÷5=0.2 |
| 6÷1.5=4 | 0.87-0.49=0.38 |
点评：本题综合考查了学生小数的计算能力．要认真细心．
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