《几何原本》中第三条定义是()。A A point is that which has no part.B A line is breadthless l

大学 几何,定义 已帮助 人

《几何原本》中第三条定义是()。

A、A point is that which has no part.

B、A line is breadthless length.

C、The ends of a line are points.

D、A straight line is a line which lies evenly with the points on itself.

热搜:a是b的充分条件,b是a的必要条件吗