Контрольные задания > 1. Сократите: $$ rac{4}{16}$$, $$ rac{15}{10}$$, $$ rac{16}{8}$$, $$ rac{30}{21}$$, $$ rac{81}{18}$$, $$ rac{18}{45}$$, $$ rac{6}{20}$$, $$ rac{14}{2}$$, $$ rac{60}{150}$$, $$ rac{60}{120}$$.
Вопрос:

1. Сократите: $$ rac{4}{16}$$, $$ rac{15}{10}$$, $$ rac{16}{8}$$, $$ rac{30}{21}$$, $$ rac{81}{18}$$, $$ rac{18}{45}$$, $$ rac{6}{20}$$, $$ rac{14}{2}$$, $$ rac{60}{150}$$, $$ rac{60}{120}$$.

Ответ:

  1. $$ rac{4}{16} = \frac{1}{4}$$
  2. $$ rac{15}{10} = \frac{3}{2}$$
  3. $$ rac{16}{8} = 2$$
  4. $$ rac{30}{21} = \frac{10}{7}$$
  5. $$ rac{81}{18} = \frac{9}{2}$$
  6. $$ rac{18}{45} = \frac{2}{5}$$
  7. $$ rac{6}{20} = \frac{3}{10}$$
  8. $$ rac{14}{2} = 7$$
  9. $$ rac{60}{150} = \frac{2}{5}$$
  10. $$ rac{60}{120} = \frac{1}{2}$$
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