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zad. 2
36cm : 12 = 3cm
V = 3cm * 3cm * 3cm
V = 27cm3
zad.3
Pp = 6cm * 6cm
Pp = 36cm2
h = 5 * 6cm
h = 30cm
V = 1/3 * 30cm * 36cm2
V = 360cm3