Ta co ;\(\frac{17}{20}\)=\(\frac{2}{20}\)+\(\frac{5}{20}\)+\(\frac{10}{20}\)
\(\Rightarrow\)\(\frac{2}{20}\)=\(\frac{1}{10}\) ; \(\frac{5}{20}\)=\(\frac{1}{4}\) ; \(\frac{10}{20}\)= \(\frac{1}{2}\)
17/20 = 1/4 + 1/2 + 1/10 Đ/S :..........................
là 1/4 1/2 1/10 nhé bạn