题目内容
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
分析:分数乘整数的意义同整数乘法的意义相同,都是求几个相同加数和的简便运算.据此解答.
解答:解:
+
+
+
+
=
×5=
.
故选:B.
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 10 |
| 7 |
故选:B.
点评:本题主要考查了学生对分数乘整数意义的掌握情况.
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题目内容
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