5x 8 ≤ 1 2 6x 4 July 8, 2019 16 32 64 128 5x 8 1 2 6x 4 1 2 5x 2 8 10 4 6x 4x 1 2 6x 8 )= 5x 9 (5 6-8x) 4=1 2 5 x 5 x 5 x 5 x 5
