题目内容
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
5
5
=2
2
.分析:分数乘整数的意义与整数乘法相同:都是求几个相同加数的和的简便运算.
解答:解:
+
+
+
+
=
×5=2
故答案为:
;5;2.
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
故答案为:
| 2 |
| 5 |
点评:此题考查学生对分数乘整数的意义的理解和记忆.
练习册系列答案
相关题目
题目内容
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |