Question

2,4/5 x 2 - 1,1/4

Answer 1

\(\frac{2,4}{5}\times2-\frac{1,1}{4}=\frac{4,8}{5}-\frac{1,1}{4}\)

Answer 2

thiếu nè : \(\frac{4,8}{5}-\frac{1,1}{4}=\frac{19,2}{20}-\frac{5,5}{20}=\frac{13,7}{20}\)