题目内容
一堆煤重7吨,用去
,用去______吨.一堆煤重7吨,用去
吨,还剩______吨.
| 3 |
| 7 |
| 3 |
| 7 |
(1)7×
=3(吨),
答:用去3吨,
(2)7-
=6
(吨),
答:还剩6
吨.
故答案依次为:3,6
.
| 3 |
| 7 |
答:用去3吨,
(2)7-
| 3 |
| 7 |
| 4 |
| 7 |
答:还剩6
| 4 |
| 7 |
故答案依次为:3,6
| 4 |
| 7 |
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题目内容
| 3 |
| 7 |
| 3 |
| 7 |
| 3 |
| 7 |
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| 7 |
| 4 |
| 7 |
| 4 |
| 7 |
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| 7 |