0 , P4P4 + W41 W41 + W4,2W42 + W4.3W4,3 + W 4,5W4,5 + .... = 0 , Pops + W ̧‚wsn + W5,2W5,2 + W6,3W5,3 + W5,4w5,4 + .... = 0 , 5 : 1 u .
確定! 回上一頁