题目内容
一桶油重2千克,倒出
后,再灌进
千克,这时是______千克.
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| 2 |
2-2×
+
,
=2-
+
,
=1
+
,
=1
(千克);
答:这时是1
千克.
故答案为:1
.
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| 3 |
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| 2 |
=2-
| 2 |
| 3 |
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| 2 |
=1
| 1 |
| 3 |
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| 2 |
=1
| 5 |
| 6 |
答:这时是1
| 5 |
| 6 |
故答案为:1
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| 6 |
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