回複:回複:Yes, (2^2+3^2)^,5+0+[(7-2)^2+(8-3)^2)]^.5=10.67...

來源: 2011-09-14 13:12:09 [舊帖] [給我悄悄話] 本文已被閱讀:

Thanks.The","should be ".".If you ask why? Cz one angle is greater 120D.