Задание
Выбери наименьший общий знаменатель для дробей.
\(\dfrac{x}{4}\; и \;\dfrac{y}{5}\)
- \(xy\)
- \(2x^2\)
- \(20\)
- \(28x\)
- \(28x^2\)
- \(30xy\)
\(\dfrac{x^2}{y}\; и \;\dfrac{y}{x}\)
- \(xy\)
- \(2x^2\)
- \(20\)
- \(28x\)
- \(28x^2\)
- \(30xy\)
\(\dfrac{8}{7x}\; и \;\dfrac{3}{4x}\)
- \(xy\)
- \(2x^2\)
- \(20\)
- \(28x\)
- \(28x^2\)
- \(30xy\)
\(\dfrac{3}{10xy}\; и \;\dfrac{5}{6xy}\)
- \(xy\)
- \(2x^2\)
- \(20\)
- \(28x\)
- \(28x^2\)
- \(30xy\)
\(\dfrac{1}{2x}\; и \;\dfrac{3}{2x^2}\)
- \(xy\)
- \(2x^2\)
- \(20\)
- \(28x\)
- \(28x^2\)
- \(30xy\)