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V=4kwadrat pierw. z 3 przez 4 * pier. z 3=
16pier. z 3 przez 4 * pier. z 3=4pier. z 3*pier. z 3=4*3=12
b) V=akwadrat *H
V=4kwadrat * pierwiastek z 3 = 16*pier.z 3 =16pier. z 3