Răspuns :
1)6x2=12 suma numerelor 2)12-8=4(suma dubla a primulu nr 3)4:2=2(primul nr 4)2+8=10 al doilea nr
(a+b):2=6
b+8=a
=> (b+8+b):2=6
2b+8=6*2
2b+8=12
2b=12-8
2b=4
b=4:2=2
=> a=b+8=2+8=10
b+8=a
=> (b+8+b):2=6
2b+8=6*2
2b+8=12
2b=12-8
2b=4
b=4:2=2
=> a=b+8=2+8=10