6 x y = 18 July 8, 2019 16 32 64 128 X =- 6 y =- 18 X 6 18 y are in continued proportion Ketika x =- 6 y =- 18 3 x 6 y 18 4 x 6 y 18 xy 6 11 x 9 2 y 18 5 z 18x 12y 6 x y X y 6 3x 3y 18 X 6 y 12 và x y 180
