4 2 5 x 10 11 July 8, 2019 16 32 64 128 2 x 5 )= 4 y 4x 10 yx )= 11y 12x 2 4 x 5 10 x 7 11 4 5 × 10 4 + 4 = 12 4 2 x 10
