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a = ³√27x³cm³
a = 3x cm
A więc:
Pc = 6 * a²
Pc = 6 * (3x cm)²
Pc = 6 * 9x² cm²
Pc = 54x² cm²
a = ³√27x³cm³
a = 3x cm
Czyli:
Pc = 6 * a²
Pc = 6 * (3x cm)²
Pc = 6 * 9x² cm²
Pc = 54x² cm²