3 x 3 2 18 July 8, 2019 16 32 64 128 3 2 x 3 18 5x X 3 2 18 0 3 x 2 3 x 1 18 3ั 3 ั )+ 3 ั 2 =- 189 3 x 3 x 3 x 3 x 18 รท 3 3 x+2 =18
