For Honghong's birthday, friends are going to hold a birthday party for him. There are 84 colors of yellow, red and blue hanging in the room. If you press two red balloons, three yellow balloons and f

For Honghong's birthday, friends are going to hold a birthday party for him. There are 84 colors of yellow, red and blue hanging in the room. If you press two red balloons, three yellow balloons and four. 56-(2+3+4) × 6 = 2, so the 56th one is Red Balloon 84 ÷ (2+3+4) = 9 ...

Red: (2 * 9+2) ÷84 = 5/2 1

Huang: (3 * 9+1) ÷ 84 = 7/21=1/3.

Blue: (4 * 9) 84 = 9/2 1 = 3/7.