(2)(56+48)+(23+32)+(67+34)+( 18+53)
= 104+55+ 10 1+7 1,
=33 1 (person),
A: There are at least 33 1 student in the fifth grade of Miaomiao Primary School.
(3) As can be seen from the picture, girls are most interested in folk music groups.
So the answer is: (2)33 1, (3) folk music.