5楼的题,编了个程,貌似就10组(不计镜像就5组):
3^2 + 4^2 = 5^2 = 25
4^2 + 3^2 = 5^2 = 25
6^2 + 8^2 = 10^2 = 100
8^2 + 6^2 = 10^2 = 100
5^2 + 12^2 = 13^2 = 169
12^2 + 5^2 = 13^2 = 169
9^2 + 12^2 = 15^2 = 225
12^2 + 9^2 = 15^2 = 225
8^2 + 15^2 = 17^2 = 289
15^2 + 8^2 = 17^2 = 289