A: There are only seven people who subscribe to the primary school mathematics newspaper but not to the animation newspaper.

(2)38-25= 13 (person)

A: Some 13 people only subscribe to the cartoon newspaper, but not the primary school mathematics newspaper.

(3)48-(32+38-25)

=48-45

=3 (person)

A: Three people didn't subscribe to two newspapers.

So the answer is: 7,13,3.