5 2d 3 July 8, 2019 16 32 64 128 5 2d 3z 5 2d 3e 2d 5 3d 7 5 2d 4 )= 35 2d 5 d 1 3 5 3d 2d 5 2d and 3d shapes 5 9 2d 32 3 5 2d 3 4 4d 5 )( 2d 3 3d 5 2d 3 6d 5 3y 2d 3y 1 =- 2d 5 3 2d 5 20 3d