Ta có:
\(\frac{13}{18}<\frac{16}{18}=\frac{8}{9}\)
Mà: \(1-\frac{8}{9}>1-\frac{9}{10}\) nên \(\frac{8}{9}<\frac{9}{10}\)
Vậy ta có:
\(\frac{13}{18}<\frac{8}{9}<\frac{9}{10}\)
Vậy: \(\frac{13}{18}<\frac{9}{10}\)
Ta có:
\(\frac{13}{18}<\frac{16}{18}=\frac{8}{9}\)
Mà: \(1-\frac{8}{9}>1-\frac{9}{10}\)nên\(\frac{8}{9}<\frac{9}{10}\)
Vậy ta có:
\(\frac{13}{18}<\frac{8}{9}<\frac{9}{10}\)
Vậy: \(\frac{13}{18}<\frac{9}{10}\)