Tham khảo:
\(\dfrac{4}{5}=\dfrac{1}{2}+\dfrac{1}{5}+\dfrac{1}{10}\)
\(\dfrac{4}{5}=\dfrac{1}{2}+\dfrac{1}{4}+\dfrac{1}{10}\)
\(\dfrac{4}{5}\)= \(\dfrac{1}{2}\)+\(\dfrac{1}{5}\)+\(\dfrac{1}{10}\)
\(\dfrac{4}{5}\)= \(\dfrac{1}{2}\)+\(\dfrac{1}{4}\)+\(\dfrac{1}{20}\)
Chúc bạn học tốt !!!