Răspunsuri

2014-04-24T20:48:08+03:00
P=L+L+l+l
L+L+l+l=970
L+L+123+123=970
2xL+246=970
2xL=970-246
2xL=724
L=724:2
L=362

2 4 2
2014-04-24T20:51:47+03:00
P=970 m
l= 123m
L=?
P=2*(L+l)
970=2*(L+123)
970=2*L +123*2
970=2L+246
970-246=2L
724=2L => L=724 :2 L=362

2 5 2