Răspuns :
Niate numere care la patrat adica la a doua formeaza un numar ca 2 la patrat, face 4
100,121,144,225,256,289,324,381,400,441,484,529,576,625,676,729,784,841,900,961,
vine 10 la 2 pana la 31 la 2
vine 10 la 2 pana la 31 la 2