Răspunsuri

2014-05-08T07:48:56+03:00
Notez: latimea 2K si lungimea 2K+2 

latime + lungimea = 786
2K+2K+2=786
4K=786-2
4K=784
K=196

latimea =  2*196= 392
lumgimea=  2*196+2=394

cu placere. ;)
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