Question

$27^{9} x 32^{11}:2-16^{6}x2x6^{27}$ este patrat perfect       x=inmultire

Answer 1

(3^3)^9*x(2^5)^11:2-(2^4)^6x2x(3x2)^27=3^27x2^55:2-2^24x2x3^27x2^27=3^27x2^54-2^52x3^27=3^27x2^52(2^2-1)=3^27x2^52x3=2^52x3^28=(2^26x3^14)^2  deci este patrat perfect

semnul ^ este puterea