Question

[Nhi Ngô]

Không quy đồng tử số và mẫu số hãy so sánh các p/s sau :

\(\displaystyle \frac{{12}}{{14}} \) ; \(\displaystyle \frac{{1212}}{{1414}} \) ; \(\displaystyle \frac{{121212}}{{141414}} \)

\(\displaystyle \frac{{24}}{{35}} \) ; \(\displaystyle \frac{{2424}}{{3535}} \) ; \(\displaystyle \frac{{242424}}{{353535}} \)

\(\displaystyle \frac{{ab}}{{cd}} \) ; \(\displaystyle \frac{{abab}}{{cdcd}} \) ; \(\displaystyle \frac{{ababab}}{{cdcdcd}} \)

Answer 1

[Nguyễn Lê Phước Thịnh]

\(\frac{12}{14}=\frac{1212}{1414}=\frac{121212}{141414}\)

\(\frac{24}{35}=\frac{2424}{3535}=\frac{242424}{353535}\)

\(\frac{ab}{cd}=\frac{abab}{cdcd}=\frac{ababab}{cdcdcd}\)