题目内容
| 5 |
| 6 |
(1)(1-
)÷
,
=
÷
,
=20%;
(2)12÷(1-25%),
=12÷75%,
=16(千克);
答:
时增加它的 20%是1时,16千克减少25%是12千克.
故答案为:20%,16.
| 5 |
| 6 |
| 5 |
| 6 |
=
| 1 |
| 6 |
| 5 |
| 6 |
=20%;
(2)12÷(1-25%),
=12÷75%,
=16(千克);
答:
| 5 |
| 6 |
故答案为:20%,16.
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| 5 |
| 6 |
| 5 |
| 6 |
| 5 |
| 6 |
| 1 |
| 6 |
| 5 |
| 6 |
| 5 |
| 6 |