Răspunsuri

2014-05-19T11:10:35+03:00

2l+2L=136/:2
l+L=68

L:l=5.2
L=5l+2

5l+2+l=68
6l=66
l=11

L=5*11+2
L=55+2
L=57

Aria=57*11
Aria=627