| 把下面各数化成百分数． 0.42=________% |  =________% |  =________% |
| 0.015=________% | 1=________% |  =________% |
| 1.75=________% |  =________% |  =________% |
分析：小数化百分数的方法：小数点向右移动两位，同时填上百分号；据此解答．
解答：
| 解：0.42=42% | =87.5% | =16% |
| 0.015=1.5% | 1=100% | =60% |
| 1.75=175% | =75% | =35% |
点评：此题考查小数、百分数之间的转化，根据它们之间的关系和性质进行转化即可．