1 2 x 5 10 3 4x July 8, 2019 16 32 64 128 Solve 1 2x 5 10 3 4x 1 2 4x 10 5 x 3 6 2 3 x 5 )+ 1 3 4x 10 3x 3 3x 2 5 x 1 3 4x 3 15 10 1 + 2 + 3 + 4 = 10 1 2 + 3 4
