6x 2y 2 5 July 8, 2019 16 32 64 128 6x 2y 2 8xy 5 6x 2y =- 2 3x 2y =- 5 8y 6x 7 2y 2 5x 6x 2y 3 2 4x 2y 5 Rút gọn 6x 2y 2 8xy 5 6x 2 xy 7x 2y 2 7y 5 X 2y 2 6x 2y 5 6x 3y 2 27x 2y 51xy ) 3xy 3z 6x 2y 0 2 5
