V kub s rebrom 4 ed. pomestili shar,kotori kasaetca vsex granei kuba.Svobodnoe prostranstvo zapolnili vodoi.V drugoi takoi je kub pomestili 8 sharov radiusom 1 ed. kajdi.I etot kub toje zapolnili vodoi.V kakom sluchae potrebovalos bolshe vodi?
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