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b=80cm=8dm
c=0,8m=8dm
V=abc
V=1*8*8=64dm^3
Vs=a^3
a^3=64
a=4dm dl. krawędzi sześcianu
b = 80 cm = 0,8 m
c = 0,8 m
Vp = a * b * c = 0,1m * 0,8m * 0,8m
Vp = 0,064 m3
Vs = a^3
Vs = Vp
a^3 = 0,064 cm3
a = 0,4m = 4dm = 40 cm