Square Numbers: 4, 144, 121, 9, 16, 25, 49, 64, 81, 100, Triangular Numbers : 3, 6, 10, 15, 21, 28, 45, 55,

Square numbers & Triangular numbers

Rangliste

Visuel stil

Indstillinger

Skift skabelon

Gendan automatisk gemt: ?