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9. Calculaţi: a)3^101:9^50
b) (3^57:9^25*3^10):3^15​

9 Calculaţi A3101950b 357925310315 class=

Răspuns :

Purplesask

Răspuns:

a) 3¹⁰¹:9⁵⁰

3¹⁰¹:(3²)⁵⁰ (2·50)

3¹⁰¹:3¹⁰⁰ (101-100)

3¹

b) (3⁵⁷:9²⁵·3¹⁰):3¹⁵

[3⁵⁷:(3²)²⁵·3¹⁰):3¹⁵

(3⁵⁷:3⁵⁰·3¹⁰)3¹⁵ (2·25)

(3⁷·3¹⁰)3¹⁵ (57-50)

3¹⁷·3¹⁵ (10+7)

3³² (17+15)

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