题目内容
| 3.7×0.1= | 0.83×100= | 2.4×3= |
| 5.4÷0.9= | 0.48÷0.6= | 3.6÷1.8= |
| 4.2×0.3= | 7.2÷9= | 5.1×0.4= |
分析：根据小数乘法、除法的计算法则，直接进行口算即可．
解答：解：
| 3.7×0.1=0.37 | 0.83×100=83 | 2.4×3=7.2 |
| 5.4÷0.9=6 | 0.48÷0.6=0.8 | 3.6÷1.8=2 |
| 4.2×0.3=1.26 | 7.2÷9=0.8 | 5.1×0.4=2.04． |
点评：此题考查的目的是理解掌握小数乘法、除法的计算法则，并且能够正确熟练地进行口算，提高口算能力．
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