题目内容
| 3 |
| 8 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 8 |
分析:用
吨加上
吨即可.
| 3 |
| 8 |
| 1 |
| 8 |
解答:解:
+
=
(吨).
答:
吨比
吨少
吨.
故答案为:
.
| 3 |
| 8 |
| 1 |
| 8 |
| 1 |
| 2 |
答:
| 3 |
| 8 |
| 1 |
| 2 |
| 1 |
| 8 |
故答案为:
| 1 |
| 2 |
点评:本题的分数都带有单位,表示具体的数量,找出谁多谁少用加减法即可求解.
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| 3 |
| 8 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 8 |
| 3 |
| 8 |
| 1 |
| 8 |
| 3 |
| 8 |
| 1 |
| 8 |
| 1 |
| 2 |
| 3 |
| 8 |
| 1 |
| 2 |
| 1 |
| 8 |
| 1 |
| 2 |