Răspuns :
a+1+2+b=11
a+b+3=11
a+b=11-3
a+b=8
1+7=8
7+1=8
2+6=8
6+2=8
3+5=8
5+3=8
Numerele sunt :
1127,2126,3125,5123,6122,7121.
a+b+3=11
a+b=11-3
a+b=8
1+7=8
7+1=8
2+6=8
6+2=8
3+5=8
5+3=8
Numerele sunt :
1127,2126,3125,5123,6122,7121.