题目内容
1
×
+4
÷5.
| 8 |
| 13 |
| 13 |
| 42 |
| 1 |
| 5 |
分析:根据分数四则运算的计算顺序,先算乘除,再算加法.据此进行计算.
解答:解:1
×
+4
÷5
=
×
+
×
=
+
=
| 8 |
| 13 |
| 13 |
| 42 |
| 1 |
| 5 |
=
| 21 |
| 13 |
| 13 |
| 42 |
| 21 |
| 5 |
| 1 |
| 5 |
=
| 1 |
| 2 |
| 21 |
| 25 |
=
| 67 |
| 50 |
点评:本题主要考查了学生分数四则运算的计算能力.
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