题目内容
一桶油3千克,第一次倒出油的
,第二次倒出
千克,桶内还剩油______千克.
| 1 |
| 3 |
| 1 |
| 3 |
3×(1-
)-
=3×
-
,
=2-
,
=1
(千克).
答:桶内还剩油1
千克.
故答案为:1
.
| 1 |
| 3 |
| 1 |
| 3 |
=3×
| 2 |
| 3 |
| 1 |
| 3 |
=2-
| 1 |
| 3 |
=1
| 2 |
| 3 |
答:桶内还剩油1
| 2 |
| 3 |
故答案为:1
| 2 |
| 3 |
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