10 4 x 7 2 2x July 8, 2019 16 32 64 128 4 x 2 7 8x 3 2x /- 10 5x 10 x 2 7 2x 4 7 2 2x ≥ 4 (- x 10 10/7 x 2 10 - 4 x 2 7 x 10
