Răspunsuri

2014-05-23T21:26:24+03:00
P=4l

2/5 *l=36
2l/5=36
l=5*36/2
l=5*18
l=90

P=4*90=360
2014-05-23T21:27:01+03:00


2/5L=36

2L=36*5

2L=180

L=180:2

L=90

P=4L

P=4*90

P=360