新加坡
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新加坡小六毕业会考PLSE练习题，英文原题如下。
The figure shows two quadrants of circles, centered at C and D respectively. Find the difference between the area of the two shaded regions.
Takeπ=22/7.
中文翻译如下：如图，两个四分之一圆，分别以C和D为中心，求两个阴影区域的面积之差。 π=22/7
这道题考察图形之间的组合/拆解，评论区对答案。
➥要是觉得有用的话，拜托大家关注转发。#PLSE#
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