Выбери верные ответы

Натуральные числа \(a\) , \(b\) , \(c\) и \(d\) такие, что \(a\lt b\) , \(b\lt c\) и \(c\lt d\) . Сравни дроби:

1. \(\dfrac{a}{b}\) [ \(=\) | \(\lt\) | \(\gt\) ] \(\dfrac{b}{a}\) ;

2. \(\dfrac{c}{b}\) [ \(=\) | \(\lt\) | \(\gt\) ] \(\dfrac{b}{d}\) ;

3. \(\dfrac{b}{a}\) [ \(=\) | \(\lt\) | \(\gt\) ] \(\dfrac{c}{d}\) ;

4. \(\dfrac{a}{d}\) [ \(=\) | \(\lt\) | \(\gt\) ] \(\dfrac{c}{b}\) .