Răspuns :
a+b=29 bomboane
a=b+11
_________
b+11+b=29 bomboane
2b=29-11
2b=18 bomboane
b=18:2
b=9 bomboane
a=9+11
a=20 bomboane
#chandelier
a=b+11
_________
b+11+b=29 bomboane
2b=29-11
2b=18 bomboane
b=18:2
b=9 bomboane
a=9+11
a=20 bomboane
#chandelier
|------|. 20*1=20
|------|-11 20*1-11=9
29+11=40
40:2=20
20-9=11 mai putine decat in prima
|------|-11 20*1-11=9
29+11=40
40:2=20
20-9=11 mai putine decat in prima