6 2 5 x 2 7 x 4 1 3 July 8, 2019 16 32 64 128 3 2 x 1 6 5 3 x 7 2 13 8 x 4 3 3x 4 2 x 7 )= 5 x 1 )+ 6 2 x 6 7 - 2 5 / 2 4 5 x 7 = 35