3 x 6 2 2x 9 July 8, 2019 16 32 64 128 4 x 3 6 2 9 2x 3 3 2x 1 1 6 x 2 9 3 2x 6 x 2 x 2 6x 9 3 x 1 )-( y 2 )= 9 2x y 6 (- x 6 )( 3x 2 2x 9 2x 3 x 8 6 2 2x 19 )/ 9 2 x 6 )+ 3 2x 9 )= 10 6 x 2 )+ 8 2x 3 )=- 9 61 X 4 3x 3 x 2 6 )+( 2x 4 3x 9 5 2x 6 3 x 2 9 5 2x 6 và 3 x 2 9
