1 5 4x July 8, 2019 16 32 64 128 1 5 4x4 rc truck 1 5 4x x 2 1 + 5 4x = 4 1 5 4x4 1 5 4x 3 1 5 4x 2 5 1 4x 2x 1 4x1 5 1 4x2 5 1 4x3 5 5 1 4x )= 65 1 4x 5 10 1 4x 5 7 1 4x =- 5 7x 1 4x 5 8
