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ex.4-inima,coroana,stea,promit!!!!!​

Ex4inimacoroanasteapromit class=

Răspuns :

n = 3¹⁹ - 3¹⁷ + 3¹⁶

n = 3¹⁶ ( 3³ - 3 + 1)

n = (3⁸)² * 25 = (3⁸)² * 5² = (3⁸ * 5)² -> p.p.