Контрольные задания
Вопрос:Фото задания: Сократи дроби. 1) 4/10; 2) 6/9; 3) 20/24; 4) 25/65; 5) 28/40; 6) 45/90; 7) 13/169; 8) 54/72; 9) 17/51; 10) 15/125.Фото задания

Ответ:

  1. \(\frac{4}{10}=\frac{4\div2}{10\div2}=\frac{2}{5}\)
  2. \(\frac{6}{9}=\frac{6\div3}{9\div3}=\frac{2}{3}\)
  3. \(\frac{20}{24}=\frac{20\div4}{24\div4}=\frac{5}{6}\)
  4. \(\frac{25}{65}=\frac{25\div5}{65\div5}=\frac{5}{13}\)
  5. \(\frac{28}{40}=\frac{28\div4}{40\div4}=\frac{7}{10}\)
  6. \(\frac{45}{90}=\frac{45\div45}{90\div45}=\frac{1}{2}\)
  7. \(\frac{13}{169}=\frac{13\div13}{169\div13}=\frac{1}{13}\)
  8. \(\frac{54}{72}=\frac{54\div18}{72\div18}=\frac{3}{4}\)
  9. \(\frac{17}{51}=\frac{17\div17}{51\div17}=\frac{1}{3}\)
  10. \(\frac{15}{125}=\frac{15\div5}{125\div5}=\frac{3}{25}\)