Odpowiedź:
[tex] - 2 \frac{1}{3} - 3 \frac{2}{7} = - \frac{7}{3} - \frac{23}{7} = - \frac{49}{21} - \frac{69}{21} = - \frac{118}{21} = - 5 \frac{13}{21} [/tex]
[tex]-2\frac{1}{3} -3\frac{2}{7} = -\frac{7}{3} -\frac{23}{7} = -\frac{49}{21} - \frac{69}{21} = -\frac{118}{21} = -5\frac{13}{21}[/tex]
