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Calculeaza: (3^2-2^3)^2*(8^5:4^7)^2

Răspuns :

( 3² - 2³ )² x ( 8⁵ : 4⁷ )² = 4

= ( 9 - 8 ) x   [ ( 2³ )⁵ : ( 2²)⁷ ]² =

= 1 x ( 2¹⁵ : 2¹⁴ )² =

= ( 2 ⁽ ¹⁵ ⁻ ¹⁴ ⁾ )² =

= ( 2¹ )² =

= 4