Сравни

1. \(15+3\) [ \(\lt\) | \(\gt\) | \(=\) ] \(10+9\)
2. \(4+9\) [ \(\lt\) | \(\gt\) | \(=\) ] \(7+5\)
3. \(15-7\) [ \(\lt\) | \(\gt\) | \(=\) ] \(11-4\)
4. \(7+6\) [ \(\lt\) | \(\gt\) | \(=\) ] \(5+8\)
5. \(3+9\) [ \(\lt\) | \(\gt\) | \(=\) ] \(19-8\)