6 x 11 )- 7 2 x )= 26 July 8, 2019 16 32 64 128 Tìm x biết 6 x 11 )- 7 2 x )= 26 6/7 x 11 6 x - 7 = 15 + 2 x 6/7 * x = 18/23
