|
- 精华
- 0
- 积分
- 112
- 经验
- 112 点
- 威望
- 0 点
- 金钱
- 207 ￥
- 魅力
- 141
|
一个数学问题求翻译
A paint roller 14 inches wide with a diameter of 4 inches is being used to paint a wall. If the roller can be used for 3 exact revolutions for every one time that it is dipped in paint, what is the area of wall space that can be painted if the roller is dipped in paint 3 times?
The answer is 504pi
就是看不懂题目的意思，求大侠解释一番：） |
|
