There are 48×3/4=36 people who subscribe to Journal of Mathematics.

If you subscribe to the language newspaper, try not to subscribe to the math newspaper. At this time, only 48-32= 16 (people) subscribed to the math newspaper, which is inconsistent with the meaning of the question. There must be 20 people subscribing to Math Newspaper, that is, 16+20=36 (people) subscribing.

If all 32 people who subscribe to the Chinese newspaper subscribe to the Mathematics newspaper, then the maximum number of subscriptions for both newspapers is 32 (people).

If all 36 people who subscribe to the math newspaper subscribe to the Chinese newspaper,

The maximum number of people who have not subscribed to any newspaper is 48-36= 12.

If everyone who doesn't subscribe to the math newspaper subscribes to the Chinese newspaper,

At least 0 people have not subscribed to any newspaper.