Răspunsuri

2014-09-19T09:47:40+03:00
L-lungimea
l-latimea
L.l=96
l=2L/3
L=96/l
atunci
l=2.96/3.l
l.l=64=8.8
l=8 dm
L=96/l=96/8=12 dm
P=2(12+8)=2.20=40 dm