Odpowiedź:
c) [tex]\frac{1}{2} - (- \frac{1}{6} - \frac{1}{3} ) = \frac{3}{6} + \frac{1}{6} + \frac{2}{6} = 1[/tex]
d) [tex]\frac{7}{6} + (-\frac{5}{4} - \frac{4}{3} ) = \frac{7}{6} -\frac{5}{4} - \frac{4}{3} = \frac{14}{12} -\frac{15}{12} - \frac{16}{12} = \frac{14}{12} -\frac{31}{12} = - \frac{17}{12}[/tex]
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Odpowiedź:
c) [tex]\frac{1}{2} - (- \frac{1}{6} - \frac{1}{3} ) = \frac{3}{6} + \frac{1}{6} + \frac{2}{6} = 1[/tex]
d) [tex]\frac{7}{6} + (-\frac{5}{4} - \frac{4}{3} ) = \frac{7}{6} -\frac{5}{4} - \frac{4}{3} = \frac{14}{12} -\frac{15}{12} - \frac{16}{12} = \frac{14}{12} -\frac{31}{12} = - \frac{17}{12}[/tex]