h3. Explicatie

# Mulimea {$A={1,3}$}, {$B={2,4}$}
# Mulimea {$A={2,4}$}, {$B={1,3}$}

# Multimea {$A={1,3}$}, {$B={2,4}$}
# Multimea {$A={2,4}$}, {$B={1,3}$}

== include(page="template/taskfooter" task_id="gbc") ==