Related Post: 4 5 3 10x 2 4 5 3 10 X 3 2 4 5 X 3 10 X 20 7 4 5 3 10 X 1 1 2 5 3 2x )= 10x 4 3 5 10x 20 )+ 4 9 9x 27 4 9 3 10 X 2 5 2 5 10x 3 4 )- 2x X 5 10x 3 20x 4 0 2.1 X 1 4 5 3 10x