4d 5 )( 2d 3 July 8, 2019 16 32 64 128 2d 4d 5 )+ 4 3d 2 10d 9 6d 8 4d 5 )/( 2d 3 Divide 10d 9 6d 8 4d 5 )/( 2d 3 5 2d 6 )=- 3 4d 12
