Question

\(\frac{1}{5}+\frac{4}{5}:5=\)

P/s: Mai tớ thi rồi...

Answer 1

\(\frac{1}{5}\)+\(\frac{4}{5}\): 5=\(\frac{5}{5}\): 5=1:5=\(\frac{1}{5}\)

Đ/S \(\frac{1}{5}\)

Answer 2

\(\frac{1}{5}+\frac{4}{5}:5=\frac{1}{5}+\frac{4}{5}.\frac{1}{5}=\frac{1}{5}+\frac{4}{25}=\frac{5}{25}+\frac{4}{25}=\frac{9}{25}\).

Chúc cậu hok tốt!

#Dũng

Answer 3

\(\frac{1}{5}+\frac{4}{5}:5=\frac{1}{5}+\frac{4}{25}=\frac{5+4}{25}=\frac{9}{25}\)

Answer 4

\(\frac{1}{5}+\frac{4}{5}:5=\frac{1}{5}+\frac{4}{25}=\frac{5+4}{25}=\frac{9}{25}\)