Pi:无限不循环的人生.

复平面:[1]复平面上的每条直线都通过无穷远点,[2]同时,却没有一个平面包含无穷远点.
无穷远的点就象一个大大的网,把一切都收缩在一起.不论开始你向那个方向逃离,最后还是要到那.

完美数:6=1*2*3=1+2+3=2^1(2^2-1)




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