题目内容
把下列百分数化成小数或整数. 7.4%= |
303%= | 15.6%= | 3.9%= | 42.3%= |
分析:把百分数化成小数,把百分数去掉百分号,同时把小数点向左移动两位即可.
解答:解:7.4%=0.074;
303%=3.03;
15.6%=0.156;
3.9%=0.039;
42.3%=0.423.
故答案为:0.047,3.03,0.156,0.039,0.423.
303%=3.03;
15.6%=0.156;
3.9%=0.039;
42.3%=0.423.
故答案为:0.047,3.03,0.156,0.039,0.423.
点评:本题是考查百分数化小数,属于基础知识.把百分数去掉百分号,同时把小数点向左移动两位即可.
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