5x 3 x 9 ) 10 4 July 8, 2019 16 32 64 128 5x 3 x 9 )+ 10 4 6 3 5x 8 4 x 10 9 5 x 7 = 35 3 x-5=x+3 5 x 5 x 5 x 5 x 5 5 x 5 x 5 5 x 9 + 3