1 2 4x 6 ) x 9 July 8, 2019 16 32 64 128 1 2 4x 6 )+ x 9 3 4 x 6 )- 1 4x 2 4 x 9 4 1/2x=9 9 1 4/9 x 6 1 4 x 2 6 1 6 x 4
