3 9 x 2 8 x 1 7 July 8, 2019 16 32 64 128 4 10 x 3 9 x 2 8 x 1 7 X 1 9 x 2 8 x 3 7 x 4 6 X 2 7 x 1 8 x 9 3 0 1 2 9 x 1 1 8 x 3 3 7 as a fraction 3 9 8x 7 1 2 x 8x 7 2 4x 3 )( x 1 )= 9 2 Tìm x biết 2 9 7 8 x 1 3 9 x 8 = 3 x 3 = 9
