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Efectuați:

a) (5⁷+5⁶+5⁵): 5⁵ +9⁷ : 3¹⁰
b) 3² + (4×6)² + 2⁵×5² -1

Va rog mult !​


Răspuns :

Răspuns:

a) (5⁷+5⁶+5⁵): 5⁵ +9⁷ : 3¹⁰=

5⁵:5⁵·(5²+5+1)+(3²)⁷:3¹⁰=

1·(25+5+1)+3¹⁴:3¹⁰=

31+3¹⁴⁻¹⁰=31+3⁴=

31+81=112

b) 3² + (4×6)² + 2⁵×5² -1=

3²+24²+32·25-1=

9+576+800-1=1384