Răspuns :
• l=L:3
• L=l+8
_______
? Pd
_______
l: \_\ 8
L: \_\_\_\
2 p.e=8
1 p.e=8:2
1 p.e=4 (l)
4x3=12 (L)
Pd=2xl+2xL
Pd=2x4+2x12
Pd=8+24
Pd=32
Succes !
• L=l+8
_______
? Pd
_______
l: \_\ 8
L: \_\_\_\
2 p.e=8
1 p.e=8:2
1 p.e=4 (l)
4x3=12 (L)
Pd=2xl+2xL
Pd=2x4+2x12
Pd=8+24
Pd=32
Succes !