1 x 5 21 July 8, 2019 16 32 64 128 1 5 x 210 X 1 5 3 21 Х 1 5 3 21 1 2 x 5 x 21 X 5 )( x 1 )- 21 0 1 7 5 21 x 7 3 1 x 5 1 x 13 2 21 1 5 x 21 )=- 6 1 3 x 21 5 as a fraction 14 x 1 5 21 X 1 5 7 11x3 21 1 2 x 4 5 )= 21 10 21 2 1 x 5 22 3 x 1 3 x 5 216