题目内容
(1)一堆石灰重
吨,用去的是剩下的150%,剩下多少吨?
(2)一堆石灰重
吨,用去一部分后剩下的比用去的少40%,剩下多少吨?
| 9 |
| 4 |
(2)一堆石灰重
| 9 |
| 4 |
(1)
÷(1+150%)
=
÷250%,
=
(吨);
答:剩下
吨.
(2)
÷(1+1-40%)
=
÷160%,
=
(吨);
×(1-40%)
=
×60%,
=
(吨);
答:剩下
吨.
| 9 |
| 4 |
=
| 9 |
| 4 |
=
| 9 |
| 10 |
答:剩下
| 9 |
| 10 |
(2)
| 9 |
| 4 |
=
| 9 |
| 4 |
=
| 45 |
| 32 |
| 45 |
| 32 |
=
| 45 |
| 32 |
=
| 27 |
| 32 |
答:剩下
| 27 |
| 32 |
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