7x 5x 3 5 x 3 2 July 8, 2019 16 32 64 128 7x 2 5 x )= 3 2 x 3 )-( 6 5x )+ 2x X 5 7x 3 5x 1 x 3 2x 5x 2 3 7x 3 5 x 4 3 5x 2 )/ 4 2 7x 3 5 x 7 5 x 7 = 35