Question

Answer 1

câu này dế quá

 

Answer 2

a: \(=\dfrac{2}{3}-\dfrac{4}{15}+\dfrac{1}{5}=\dfrac{10-4+3}{15}=\dfrac{9}{15}=\dfrac{3}{5}\)

b: \(=\dfrac{2^{27}\cdot3^{16}}{2^{16}\cdot3^{16}}=2\)

c: \(=11+2010=2021\)