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b=2m
c=12,5mm=0,0125m
v=a*b*c
v=1,2m*2m*0.0125m
v=0.03m szesciennego
V = 1,2 m * 2 m * 0,0125 m = 0,03 m³
b=2m=200cm
c=12,5mm=1,25cm
v(objetosc)
v=a*b*c
v=120cm*200cm*1,25cm=30000cm³
Odp: plytka ma obj. 30000cm³=0,03m³
mysle ze to jest dobrze:)
licze na naj:)