14. The deformation is-6 (a+1) 2+7 (a+1)+5, and it is decomposed into (2 * (a+ 1)+ 1) (-3 * (a

15. It is decomposed into: ((a-2b)-2)((a-2b)-6) by crossover method, and the order is: (a-2b-2)(a-2b-6).

16. Decomposition into (x 3+8y 3) (x 3-27y 3) by crossover method.