Răspunsuri

2014-11-15T17:45:25+02:00
Notam m=m;peri=p;gutui=g
m+p+g=80
m=4g
p=8+m=8+4g
4g+8+4g+g=80
9g=80-8
9g=72
g=72:9
g=8
m=4g=4*8
m=32
p=8+m=8+32
p=40

32+40+8=80