题目内容
（0.125×25%×32）÷[0.75-（
-25%）]．
| 7 |
| 10 |
（0.125×25%×32）÷[0.75-（
-25%）]，
=（0.125×8）×（25%×4）÷[0.75-0.45]，
=1÷
，
=1×
，
=3
．
| 7 |
| 10 |
=（0.125×8）×（25%×4）÷[0.75-0.45]，
=1÷
| 3 |
| 10 |
=1×
| 10 |
| 3 |
=3
| 1 |
| 3 |
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