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Worked solution
1. 将小数0.75化为最简分数,并写成比的形式
2. 根据比的基本性质求出比的前项
已知比的后项是 ,而 ,根据比的基本性质,比的前项和后项同时乘相同的数(除外),比值不变。因此,比的前项为 。即:
3. 将小数0.75化为百分数
把 的小数点向右移动两位,同时在后面添上百分号,即:
Answer
18;75
AI analysis — may contain mistakes.
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