Сравни выражения, не вычисляя их значения

1. \(80 \cdot 80\) [ \(=\) | \(\gt\) | \(\lt\) ] \(800 \cdot 8\)
2. \(350:50\) [ \(=\) | \(\gt\) | \(\lt\) ] \(3500:50\)
3. \(540:30\) [ \(=\) | \(\gt\) | \(\lt\) ] \(540:50\)
4. \(630:30\) [ \(=\) | \(\gt\) | \(\lt\) ] \(63:3\)