Răspuns :
a+b+c=122;
(a+b):c=4 rest 7=>a+b=4c+7;
b=c+18;
4c+7+c=122;
5c=122-7;
5c=115;
c=115:5;
c=23;
b=23+18;
b=41;
a=122-(41+23)=122-64=58;
a+b+c=122
(a+b):c=4rest 7
122-7=115
(4a+a):a=115:5=23
c=23
a+b=122-23=99
b>c cu 18
b=18+23=41
b=41
a=99-41=58
(a+b):c=4rest 7
122-7=115
(4a+a):a=115:5=23
c=23
a+b=122-23=99
b>c cu 18
b=18+23=41
b=41
a=99-41=58
