Salutare!
5² = 25
6² = 36
7² = 49
8² = 64
9² = 81
10² = 100
11² = 121
12² = 144
13² = 169
Răspuns:
patratele perfecte cuprinse intre 20 si 190 sunt:25,36,49,64,81,100,121,144,169
5²=25, 6²=36 , 7²=49, 8²=64 ,9²=81 , 0²=100 ,11²=121 ,12²=144 ,13²=169
