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Problema 10a,b Problema 11 Help Please Dau Coronita

Problema 10ab Problema 11 Help Please Dau Coronita class=

Răspuns :

a) 1 a =100 m^2...4a=400m^2... 20m o latura...20m×4=80m e lungimea sîrmei b)80m/10=8 stîlpi