A, X - 935 = 2796 - 76 C, 125 - X

Bài 4 :( 4 điểm)Tìm x :a, x - 935 = 2796 - 76 c, 125 - x : 4 = 25 x - 935 = 2720 x : 4 = 125 - 25 x = 2720 + 935 x : 4 = 100 x = 3655 x = 100 X 4 x = 400b, 135 - x = 45 d, x - 232 - 168 = 400 x = 135 - 45 x - 232 = 400 + 168 x = 90 x - 232 = 568 x = 568 + 232 x = 800