12 4 - х = 16 July 8, 2019 16 32 64 128 12 4 х 16 12 4 x 16 12 7x 4 =- x 16 12 4 x 16 12 8 2 8 12 4 x 16 16 х 4 - 4 х 12 4 + 4 = 12 12 х = - 4 12 ×1=12
