Notam :om de zapada=o
craciunita =c
brad=b
o+c+o=24=>2o=24-c
2b+2b*o=132=>2b=132-2bo=>b=132-2bo/2
2b+b+2c=26=>3b+2c=26=>2c=26-3b=>
c=26-3b/2
Explicație pas cu pas:
2o+b*c=(24-c)+(132-2bo/2)*(26-3b/2)