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2014-04-15T20:22:50+03:00
6m............1 (lucrarea)...........48h
6m..............x................................16     sunt   dp

x=16*1/48=1/3
1-1/3=  3-1/3=  2/3

6m............1l...................48h
8m...........2/3...................y

48/y= 8/6  * 1/ 2/3
48/y=8/6  *3/2
48/y=2
y=48/2
y=24
16+24=40h