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1,5³ * 27 : 4,5² = 1,5³ * 3³ : 4,5² = (1,5 * 3)³ : 4,5² = 4,5³ : 4,5² = 4,5³⁻² = 4,5¹ = 4,5
25² * 0,04 = 25² * 0,2² = (25 * 0,2)² = 5² = 25