Răspunsuri

2014-09-05T17:24:51+03:00
Patrate perfecte de 2 cifre sunt : 16, 25, 49, 64, 81, in total 5. 
2014-09-05T17:40:37+03:00
Sunt 6 patrate perfecte de 2 cifre: 16, 25, 36, 49, 64, 81.