4 x 5 8 2x 2 July 8, 2019 16 32 64 128 3x 4 2 x 5 )= 9x 8 2x 8 3 2x 5 )= 4 x 2 3 x 5 )-( 8 2x )= 4 x 7 )+ 2x 4 x 5 )= 8 6 2x 2 3 √ 4 5 x 8 1 2 2x 1 25 x * 10 2x 4 x 5 8 5(8 - 2x) ≤ 2 + 16(4x) 5 x 8 27 4 3 2x 2x 5 )( x 4 )- 2x 8 0