Răspunsuri

2014-04-02T16:37:51+03:00
2L+2l=512
L=3l, 6l+2l=512, 8l=512, l=64, L=192
P=512 L=3l P=2(L+l)=>P=2(3l+l)=8l Deci 512=8l=>l=64 si L=3*64=192
2014-04-02T16:38:08+03:00
P=512 cm
L=3l
P=2(L+l)=>2l+2L=>
=>2xl+2x3l=2l+6l=8l
=>8l=512
=>l=512:8=>l=64cm
L=3x64=192 cm
1 5 1