题目内容
口算．
| 5.6÷0.07= | 0.02×25= | 6÷1.2= | 2.5×0.6= | 12.5×8= |
| 0.02×0.1= | 6.3÷0.7= | 0.18+0.72= | 0.8×0.5= | 99+0.1﹦ |
| 42= | 0.12= | 0.08×10= | 1÷0.125= | 1÷0.01= |
| 1-0.02= | 43×0.01﹦ | 4.2÷2.1= | 1.8÷0.18= | 1.03-0.9= |
分析：根据小数四则运算的计算方法进行计算．
解答：
| 解：5.6÷0.07=80 | 0.02×25=0.5 | 6÷1.2=5 | 2.5×0.6=1.5 | 12.5×8=100 |
| 0.02×0.1=0.002 | 6.3÷0.7=9 | 0.18+0.72=0.9 | 0.8×0.5=0.4 | 99+0.1﹦99.1 |
| 42=16 | 0.12=0.01 | 0.08×10=0.8 | 1÷0.125=8 | 1÷0.01=100 |
| 1-0.02=0.98 | 43×0.01﹦0.43 | 4.2÷2.1=2 | 1.8÷0.18=10 | 1.03-0.9=0.13 |
点评：本题综合考查了学生小数四则运算的计算能力，注意要细心．
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