4 9 x 1 36 July 8, 2019 16 32 64 128 1 4 9 16 x 36 49 5 9 x 1 36 3 3 4 X 1 36 3x 7 4 =- 9 1 4 9 x 25 36 4 9 x 36 )=- 1 3 2x 18 1 4 8 9 x 36 9 1/4 x 9
