Tính nhanh
\(\dfrac{-5}{7}\). \(\dfrac{2}{11}\)+ \(\dfrac{-5}{11}\). \(\dfrac{9}{7}\)- \(1\dfrac{5}{7}\)
Loga
Toán lớp 6
Tính nhanh
\(\dfrac{-5}{7}\). \(\dfrac{2}{11}\)+ \(\dfrac{-5}{11}\). \(\dfrac{9}{7}\)- \(1\dfrac{5}{7}\)
