Tìm x biết 27 5 20 7 x 10 25 July 8, 2019 16 32 64 128 5 x 7 = 35 1023. 1) x 2 5 2) x -1 7 x = 7 2/3 x 7 3) x =8 01 x = 8 1/3 4) x 10 x -6