题目内容
用你喜欢的方法计算
+
×60%
12.5×25%×20+3.2
0.875×25+75×87.5%
6.7-3.25+13.3-0.75．
| 5 |
| 8 |
| 5 |
| 4 |
12.5×25%×20+3.2
0.875×25+75×87.5%
6.7-3.25+13.3-0.75．
| 5 |
| 8 |
| 5 |
| 4 |
=
| 5 |
| 8 |
| 5 |
| 4 |
| 3 |
| 5 |
=
| 5 |
| 8 |
| 3 |
| 4 |
=
| 5 |
| 8 |
| 6 |
| 8 |
=
| 11 |
| 8 |
12.5×25%×20+3.2
=12.5×20×0.25+3.2
=250×0.25+3.2
=62.5+3.2
=65.7
0.875×25+75×87.5%
=0.875×25+75×0.875
=0.875×（25+75）
=0.875×100
=87.5
6.7-3.25+133.3-0.75
=（6.7+13.3）-（3.75+0.75）
=20-4
=16
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