Related Post: 1 9 X 5 8 1 2 3 1 3 2 9 4 5 X 1 8 1 4 3 * 9 X 1 5 * 6 X 1 8 * 2 2x 0 9 X 1 2 8 * 3 X 1 5 0 3 * 9 X 1 5 * 6 X 1 8 * 2 2x 1+9+8=1 Answer 1+9+8=1 Why 1/2*1/9