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Calculati 2⁶×5⁶÷10⁵; b) (15²)⁵÷(3⁹×5⁸; c) (25×4)¹⁰÷(2¹⁹×5¹⁹);​

Răspuns :

Slavitescudoraask

a) (2×5)⁶ : 10⁵ = 10⁶ : 10⁵ = 10⁶⁻⁵ = 10

b) 15¹⁰ : (3⁹×5⁸) = (3¹⁰×5¹⁰) : (3⁹×5⁸) = 3×5² = 3×25 = 75

c) [(5²)¹⁰ × (2²)¹⁰] : (2¹⁹×5¹⁹) = (5²⁰×2²⁰) : (2¹⁹×5¹⁹) = 5×2 = 10

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