(转)
6,8,10
345
51213
72425
94041
116061
138485
15112113
8,15,17
12,35,37
20,21,29
20,99,101
48,55,73
60,91,109
常见的勾股数及几种通式有:
(1)(3,4,5),(6,8,10)……
3n,4n,5n(n是正整数)
(2)(5,12,13),(7,24,25),(9,40,41)……
2n+1,2n^2+2n,2n^2+2n+1(n是正整数)
(3)(8,15,17),(12,35,37)……
2^2*(n+1),[2(n+1)]^2-1,[2(n+1)]^2+1(n是正整数)
(4)m^2-n^2,2mn,m^2+n^2(m、n均是正整数,m>n)