2×{7+[29-3×(a+2×b)]:4}=2034-2016
2×{7+[29-3×(a+2×b)]:4}=18
7+[29-3×(a+2×b)]:4=18:2
7+[29-3×(a+2×b)]:4=9
[29-3×(a+2×b)]:4=9-7
[29-3×(a+2×b)]:4=2
29-3×(a+2×b)=2*4
29-3×(a+2×b)=8
3×(a+2×b)=29-8
3×(a+2×b)=21
a+2×b=21-3
a+2×b=18
2*b=18-a
18-a trebuie sa fie par, deci a trebuie sa fie par
a poate fi 0,2,4,6,8,10,12,14,16,18
b poate fi 9,8,7,6,5,4,3,2,1,0
=>10 perechi de numere