UID:167802
UID:306489
janiusxw: u;1/.`NPB 好像给出的公式有点问题 h_Ky2IB$ R=b*b/a 0].x8{~o k=-(a*a-b*b)/(a*a) "JI FF_ 前面要带符号 l(X8 cHAi
UID:275058
UID:232894
UID:119126
UID:236342
UID:150200