题目内容
| 1÷25= | 2÷25= | 3÷25= | 4÷25= |
| 1÷125= | 2÷125= | 3÷125= | 4÷125= |
解：
| 1÷25=0.04， | 2÷25=0.08， | 3÷25=0.12， | 4÷25=0.16， |
| 1÷125=0.008， | 2÷125=0.016， | 3÷125=0.024， | 4÷125=0.032． |
分析：先求出1÷25和1÷125的商，再根据除数不变，被除数扩大几倍，商也扩大几倍进行求解．
点评：本题主要是考查了商的变化规律的灵活运用．
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