Efectuati Exercitiul 1 va rog frumos

Efectuati Exercitiul 1 Va Rog Frumos class=

Răspuns :

[tex]a) 9^{2}-3^{4}= (3^{2})^{2}-3^{4}= 3^{2*2}-3^{4}=3^{4}-3^{4}=0\\b) 2012^{1}+1^{2012}= 2012+1=2013\\c) 25^{0}*0^{25}=1*0=0\\d) (5-2)^{3}=3^{3}=27[/tex]

1) a ) 9² - 3⁴ = ( 3² )² - 3⁴ = 3²ˣ² - 3⁴ = 3⁴ - 3⁴ = 0

b)  2012¹ + 1²⁰¹² = 2 012 + 1 = 2 013

c)   25⁰ x 0²⁵ = 1 x 0 = 0

d)   ( 5 - 2 )³ = 3³ = 27