题目内容
15吨增加它的
后,再减少
吨,结果是( )
| 1 |
| 5 |
| 1 |
| 5 |
| A.15吨 | B.17
| C.15
|
15+15×
-
=15+3-
,
=17
(吨).
答:结果是17
吨.
故选:B.
| 1 |
| 5 |
| 1 |
| 5 |
=15+3-
| 1 |
| 5 |
=17
| 4 |
| 5 |
答:结果是17
| 4 |
| 5 |
故选:B.
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题目内容
| 1 |
| 5 |
| 1 |
| 5 |
| A.15吨 | B.17
| C.15
|
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
| 4 |
| 5 |
| 4 |
| 5 |