作者crazyshop (我不是乡民。)
看板GRE
标题[问题] 求解一题数学
时间Sun May 31 17:39:28 2015
想拜托各位大大, 但我卡关应该在最後一句话, 拜托各位指教！谢谢！
http://i.imgur.com/wRjdpWw.jpg
In the design above, the area of the region between the semicircles is to
be painted green, and the area of the smaller semicircular region is to be
painted red. The amount of paint used per square foot is to be the same for
each color.
A. The amount of green paint to be used
B. The amount of red paint to be used
拜托大家了, 谢谢。
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1F：→ crazyshop : 答案是A thanks! 05/31 17:39
2F：→ EZ0928 : 图连结错误 另外这是哪里的题目啊@@ google题目找 05/31 18:26
3F：→ EZ0928 : 不到原题@@@ 05/31 18:26
※ 编辑: crazyshop (101.8.53.160), 05/31/2015 19:09:39
※ 编辑: crazyshop (101.8.53.160), 05/31/2015 19:09:48
4F：→ crazyshop : SORRY 我贴错了～是之前补习的模考题,但已无处可问 05/31 19:10
5F：推 xiezl : 题目说，两个半圆之间的涂绿色油漆，小半圆里涂红色 05/31 19:26
6F：→ xiezl : 每平方英尺所需要的涂料量对任何一种颜色都一样 05/31 19:27
7F：→ xiezl : 最後问哪一种颜色的涂料用量多 05/31 19:27
8F：→ xiezl : 那你只要去算那一块面积比较大就可以了。 05/31 19:28
9F：→ xiezl : 数学计算就留给疯狂商店了。 05/31 19:28
10F：→ crazyshop : GREEN=10π;RED=8π 谢谢大家～ 06/01 06:48