题目内容
口算 1.8×5= |
1.6÷0.4= | 7.2÷0.08= |
4-1.64= | 5.4÷0.2= | 10.8÷4= |
分析:根据小数加减乘除的计算方法进行计算即可.
解答:
故答案为:9,4,90,2.36,27,2.7.
解:1.8×5=9 | 1.6÷0.4=4 | 7.2÷0.08=90 |
4-1.64=2.36 | 5.4÷0.2=27 | 10.8÷4=2.7 |
点评:小数的口算,要注意运算符号和数据,更要注意小数点的位置.
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口算.
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