题目内容
有2吨煤,第一次运走
,第二次又运走
吨,这时还剩______吨.
| 1 |
| 4 |
| 1 |
| 2 |
2-2×
-
,
=2-
-
,
=1
-
,
=1(吨),
答:这时还剩1吨.
故应填:1.
| 1 |
| 4 |
| 1 |
| 2 |
=2-
| 1 |
| 2 |
| 1 |
| 2 |
=1
| 1 |
| 2 |
| 1 |
| 2 |
=1(吨),
答:这时还剩1吨.
故应填:1.
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