TÌM XA/ X – 22 = 38B/ X + 14 = 31 + 6C/ 56 - X = 16D/ X+ 12 = 34 - 11

Bài 4: Tìm xa/ x – 22 = 38b/ x + 14 = 31 + 6c/ 56 - x = 16d/ x+ 12 = 34 - 11