Hoàn thành các phép tính sau
\(\dfrac{5}{9}\)+\(\dfrac{7}{12}\)-\(\dfrac{3}{4}\)=\(\dfrac{5.4}{36}\)+\(\dfrac{7.?}{36}\)-\(\dfrac{3.?}{36}\)
=\(\dfrac{20+?-?}{36}\)
=\(\dfrac{14}{36}\)=\(\dfrac{?}{?}\)
Loga
Toán lớp 6
