Răspunsuri

2014-04-30T20:40:15+03:00
2014-04-30T20:41:07+03:00
L² √ 3/4 * l √6/3* 1/3=
3 √ 2 l³/36=
l³√2/12
=3
³√2/12=
=27√2/12
=9√2/4