26 solution:

(1) set x products a and (10-x) products b,

x+3( 10-x)= 14，

x=8，

A produces 8 pieces and B produces 2 pieces;

(2) Set X products A and (10-x) products B,

Then there is the following equation:

2x+5( 10-x)& lt； =44

x+3( 10-x)> 14

Solve the above equation and get:

2≤x