Răspuns :
a+b+c=94
a+b=65
65+c=94
c=94-65
c=29
b=c+7
b=29+7
b=36
a+36+29=94
a+65=94
a=94-65
a=29
a+b=65
65+c=94
c=94-65
c=29
b=c+7
b=29+7
b=36
a+36+29=94
a+65=94
a=94-65
a=29