0 =- 2 3 x 9 ) 4 July 8, 2019 16 32 64 128 0 =- 2 3 x 9 )+ 4 2 3 0 9 x 4 5 3 12 0 9 )* x 2 412 2 0 x 15 3 x 9 4 2 3 x 4 9 1 2 x 0 3 x 3 = 9 3 x 0