Question

Tính nhanh: 

Answer 1

\(\dfrac{38}{45}-\dfrac{8}{45}+\dfrac{7}{3}=\dfrac{38}{45}-\dfrac{8}{45}+\dfrac{105}{45}=3\)

Answer 2

\(=\dfrac{2}{3}.\left(\dfrac{19}{15}-\dfrac{4}{15}\right)+2\dfrac{1}{3}\)

\(=\dfrac{2}{3}.1+2\dfrac{1}{3}\)

=3