题目内容
| 3 |
| 10 |
| 3 |
| 10 |
| 3 |
| 10 |
| 3 |
| 10 |
| 3 |
| 10 |
3
3
=| 9 |
| 10 |
| 9 |
| 10 |
| 4 |
| 11 |
| 4 |
| 11 |
| 4 |
| 11 |
| 4 |
| 11 |
| 4 |
| 11 |
3
3
=| 12 |
| 11 |
| 12 |
| 11 |
分析:根据分数乘整数的意义:求几个相同加数的和的简便运算;据此解答即可.
解答:解:
+
+
=
×3=
;
+
+
=
×3=
;
故答案为:
,3,
;
,3,
.
| 3 |
| 10 |
| 3 |
| 10 |
| 3 |
| 10 |
| 3 |
| 10 |
| 9 |
| 10 |
| 4 |
| 11 |
| 4 |
| 11 |
| 4 |
| 11 |
| 4 |
| 11 |
| 12 |
| 11 |
故答案为:
| 3 |
| 10 |
| 9 |
| 10 |
| 4 |
| 11 |
| 12 |
| 11 |
点评:此题考查了分数乘整数的意义:求几个相同加数的和等于这个分数乘加数的个数.
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