6 x 3 9 2 x 7 July 8, 2019 16 32 64 128 6 x 9 * 2 x 8 * 3 x 72 0 6 x 7 3 2 x 9 4 3 6 x 2 9 1 2x 7 13 /( x 3 )( 2x 7 6 x 3 2 x 7 8 4 9 Tìm x biết 6/ x - 3 = 9/ 2x - 7 10 8 * x 3 6 2 * x 9 7 9 1 x 6 3 )/( 4 2 x 7 6 9 x 6 729 3 x 2 2 x 3 9 x square 7 x 6