再写五个符合规律的式子,11²+60²=61², 13²+84²=85²,15²+112²=113²,
17²+144²=145², 19²+180²=181²,
5个勾股数为：（11,60,61）,(13,84,85), (15,112,113), (17,144,145), (19,180,181)