what number exceeds 50 percent of itself by 10 a5 b10 c15 d20 e60 为什么选d?

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what number exceeds 50 percent of itself by 10 a5 b10 c15 d20 e60 为什么选d?
what number exceeds 50 percent of itself by 10 a5 b10 c15 d20 e60 为什么选d?

what number exceeds 50 percent of itself by 10 a5 b10 c15 d20 e60 为什么选d?
f首先要理解问题的意思.如下:
什么数超过50%的本身是10
答案:D
D:20 分析是:20 的一半就是10 ,所以答案就是选择D