A=1X2X3X4X5X....X50+2016 ultimele 12 cifre

Răspuns :

A=1x2x3x4x5x6x7x8x9x10x11x12x13x14x15x16x17x18x19x20x21x22x23x24x25x26x27x28x29x....x50+2016