Răspunsuri

2014-04-08T15:20:13+03:00
Cel mai inteligent răspuns!
2014-04-08T15:48:24+03:00
A=L*l
semiP=L+l=42
75% din L=l
75/100*L=l
3L/4=l
L+3L/4=42  aducem la acelasi numitor
4L+3L=168
7L=168
L=24      24*3/4=18 l=18

1 5 1