Question

Determinati numarul natural x astfel incat: (5 la puterea 12 : 5 la puterea 10 - 4 la puterea 18 : 4 la putera 16) : 3 la putera 2 = x

Answer 1

(5^12:5^10-4^18:4^16):3^2=x

(5^2-4^2):3^2=x

(25-16):9=x

9:9=x

x=1

Answer 2

Răspuns:(5¹²:5¹⁰-4¹⁸:4¹⁶):3²=x

(5²-4²):3²=x

(25-16):9=x

9:9=x

x=1