Question

[9 la puterea 2-2 la puterea 4 ori 5 la puterea 9 : (5 la puterea 4) puterea 2]:2 la puterea 2​

Answer 1

Răspuns:

[9^2-2^4x5^9:(5^4)^2]:2^2

(81-2^4x5^9:5^8):2^2

(81-2^4x5):2^2

(81-16x5):2^2

(81-80):2^2

1:2^2

1:4=1/4