Ответ:
Пошаговое объяснение: на фото. ↓↓↓
[tex]\displaystyle 1)-4\frac{2}{3}(-\frac{3}{7}+1\frac{1}{2})-2=-\frac{14}{3}(-\frac{3}{7}+\frac{3}{2})-2=-\frac{14}{3}*\frac{15}{14}-2=-5-2=-7\\ \\2)-8:(-1\frac{1}{7})+\frac{1}{2}(-1\frac{1}{5})+6(-\frac{1}{3})-8:\frac{4}{5}=-8:(-\frac{8}{7})+\frac{1}{2}(-\frac{6}{5})-2-8*\frac{5}{4}=\\\\8*\frac{7}{8}-\frac{3}{5}-2-2*5=7-\frac{3}{5}-2-10=-5-\frac{3}{5}=-\frac{28}{5}=-5\frac{3}{5}=-5,6[/tex]
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Ответ:
Пошаговое объяснение: на фото. ↓↓↓
[tex]\displaystyle 1)-4\frac{2}{3}(-\frac{3}{7}+1\frac{1}{2})-2=-\frac{14}{3}(-\frac{3}{7}+\frac{3}{2})-2=-\frac{14}{3}*\frac{15}{14}-2=-5-2=-7\\ \\2)-8:(-1\frac{1}{7})+\frac{1}{2}(-1\frac{1}{5})+6(-\frac{1}{3})-8:\frac{4}{5}=-8:(-\frac{8}{7})+\frac{1}{2}(-\frac{6}{5})-2-8*\frac{5}{4}=\\\\8*\frac{7}{8}-\frac{3}{5}-2-2*5=7-\frac{3}{5}-2-10=-5-\frac{3}{5}=-\frac{28}{5}=-5\frac{3}{5}=-5,6[/tex]