I construct for you.

来源: 2011-08-09 15:59:07 [旧帖] [给我悄悄话] 本文已被阅读:

a1(0,(1+sqt3)/2),a2(-1/2,1/2),a3(1/2,1/2),a4(-1/2,-1/2),a5(1/2,-1/2),a6(0,-(1+sqt3)/2)

a7(0,(sqt3-1)/2) and a8(0,-(sqt3-1)/2).

A square ,up is tringle,down is tringle, two points in the middle.(CHGlish)

n<9,Cs by my heart, n<10 is eazy Pf.I'm alittle busy,If it is very inportant,let me know. You know I did Q very fast,for fun.