Tìm x: a) x : 1,2 = 3,04     

Tìm x:

a) x : 1,2 = 3,04               b) 42 : (18 – x) = 6                  

c) x × \(\frac{4}{9}\) + \(\frac{5}{9}\) = \(\frac{{13}}{9}\)