Question

O puteti rezolva va rog?

Answer 1

Răspuns:

$3^{15\\}$

Explicație pas cu pas:

(5·$3^{17\\}$-17·$3^{15}$):28=

=(5·$3^{15\\}$·$3^{2}$-17·$3^{15}$):28=

=[$3^{15}$(5·$3^{2}$-17)]:28=

=[$3^{15}$(5·9-17)]:28=

=[$3^{15}$(45-17)]:28=

=$3^{15}$·28:28=

=$3^{15}$