题目内容
化简下列各式:
①-[-(-3.5)]=______;
②|-(+3
)|=______.
①-[-(-3.5)]=______;
②|-(+3
| 1 |
| 3 |
①-[-(-3.5)]=-(+3.5)=-3.5;
②|-(+3
)|=|-3
|=3
.
故应填:-3.5,3
.
②|-(+3
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
故应填:-3.5,3
| 1 |
| 3 |
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