Răspuns :
a+b+c=99
a+b=44
c=99-44=55
b+c=88
a=99-88=11
a+b=44
11+b=44
b=44-11=33
11+33+55=99(verificare)
a+b=44
c=99-44=55
b+c=88
a=99-88=11
a+b=44
11+b=44
b=44-11=33
11+33+55=99(verificare)