pierwiastek trzeciego stopnia z minus 81 jak to obliczyć?
∛(-81) = ∛(-27 * 3) = ∛(-27) * ∛3 = -3 * ∛3 = -3∛3
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∛(-81) = ∛(-27 * 3) = ∛(-27) * ∛3 = -3 * ∛3 = -3∛3