Ответ:
[tex]-\frac{1}{2}a - \frac{2}{3}b[/tex]
Пошаговое объяснение:
1) [tex]\frac{1}{3}a - \frac{5}{6}a = \frac{2}{6}a - \frac{5}{6}a = -\frac{3}{6}a = -\frac{1}{2}a[/tex]
2) [tex]\frac{2}{3}b - 1\frac{1}{3}b = \frac{2}{3}b - \frac{4}{3}b = -\frac{2}{3}b[/tex]
[tex]\frac{1}{3}a + \frac{2}{3}b - \frac{5}{6}a - 1\frac{1}{3}b = -\frac{1}{2}a - \frac{2}{3}b[/tex]
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Answers & Comments
Ответ:
[tex]-\frac{1}{2}a - \frac{2}{3}b[/tex]
Пошаговое объяснение:
1) [tex]\frac{1}{3}a - \frac{5}{6}a = \frac{2}{6}a - \frac{5}{6}a = -\frac{3}{6}a = -\frac{1}{2}a[/tex]
2) [tex]\frac{2}{3}b - 1\frac{1}{3}b = \frac{2}{3}b - \frac{4}{3}b = -\frac{2}{3}b[/tex]
[tex]\frac{1}{3}a + \frac{2}{3}b - \frac{5}{6}a - 1\frac{1}{3}b = -\frac{1}{2}a - \frac{2}{3}b[/tex]