题目内容
有6吨煤,第一次用去
,第二次用去
吨,还剩______吨煤.
| 1 |
| 3 |
| 1 |
| 3 |
6-6×
-
,
=6-2-
,
=3
(吨);
答:还剩3
吨煤.
故答案为:3
.
| 1 |
| 3 |
| 1 |
| 3 |
=6-2-
| 1 |
| 3 |
=3
| 2 |
| 3 |
答:还剩3
| 2 |
| 3 |
故答案为:3
| 2 |
| 3 |
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