1 2 x 10 )= 3 4 x 20 July 8, 2019 16 32 64 128 X 1 x 2 x 3 x 4 x 9 x 10 2015 1 + 2 + 3 + 4 = 10 1 2 + 3 4 10 + 3 1/4 * x = 23
