ok.16 opakowań, bo
P=1/2*a*h
P=1/2*30*26
P=390m2
390m2*2= 780m2
780m2/50m2= ok.16
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ok.16 opakowań, bo
P=1/2*a*h
P=1/2*30*26
P=390m2
390m2*2= 780m2
780m2/50m2= ok.16