1) x + 5/4 = (3/2)^2 2) 3/4 + 2/5.x = 19/20 3) -1/4 - 3/4 : x = -11/36 4) 5/7 + 2/3.x 3/10 5) -22/15.x + 1/3 = |-2/3 + 1/5|

Các câu hỏi liên quan