2 2x 3 ) 5 x 20 July 8, 2019 16 32 64 128 2 2x 3 )+ 5 x 20 5 2x 5 )- 3 4x 5 )= 2 20 x X 2 x 5 )= 3 2x 20 )/ 6 2 x 1 )+ 3 x 5 )= 2x 20 2 x 2 5