Сравните числа:
1) $\frac{1}{6}$ и 0,2;
2) $\frac{7}{9}$ и 0,77;
3) −1,(645) и −1,(643).
$\frac{1}{6}$ и 0,2
$\frac{1}{6} = \frac{5}{30}$
$0,2 = \frac{2}{10} = \frac{1}{5} = \frac{6}{30}$
$\frac{5}{30} < \frac{6}{30}$
$\frac{1}{6} < 0,2$
$\frac{7}{9}$ и 0,77
$\frac{7}{9} = \frac{700}{900}$
$0,77 = \frac{77}{100} = \frac{693}{900}$
$\frac{700}{900} > \frac{693}{900}$
$\frac{7}{9} > 0,77$
−1,(645) и −1,(643)
−1,(645) = −1,645645...
−1,(643) = −1,643643...
−1,645645... < −1,643643...
−1,(645) < −1,(643)
Пожауйста, оцените решение
