Выполните действия:
- $${\largeа)}\ \vphantom{\left(\frac{0}{0}\right)}{-}\frac{12}{25}+\frac{3}{50};$$
- $${\largeб)}\ {-}\frac{11}{48}+\left({-}\frac{3}{16}\right);$$
- $${\largeв)}\ {-}\frac{5}{27}-\left({-}\frac{5}{18}\right);$$
- $${\largeг)}\ \vphantom{\left(\frac{0}{0}\right)}{-}\frac{3}{7}\cdot\frac{8}{9};$$
- $${\largeд)}\ \vphantom{\left(\frac{0}{0}\right)}\frac{24}{25}:\frac{4}{5};$$
- $${\largeе)}\ \vphantom{\left(\frac{0}{0}\right)}\frac{71}{78}+\frac{17}{91};$$
- $${\largeж)}\ \vphantom{\left(\frac{0}{0}\right)}\frac{50}{49}-\frac{15}{56};$$
- $${\largeз)}\ {-}\frac{2}{5}\cdot\left({-}32\frac{1}{2}\right);$$
- $${\largeи)}\ \vphantom{\left(\frac{0}{0}\right)}{-}\frac{32}{77}:\frac{64}{55}.$$