4 x 1 2 25 2 3x 2 July 8, 2019 16 32 64 128 4 x 1 2 25 2 3x 2 0 Tìm x biết 4 x 1 2 25 2 3x 2 0 4 x 1 25 4 1/2 + 1 1/3 4 x 4 25 25 * 4^1/2-2/x
