Question

срочно помогите с 6,7 и 8 примерами

Answer 1

6)$x^{23} : x^{7} = x^{23 - 7} = x^{16}$
7) $x^{8} * x^{11} = x^{8+11} = x^{19}$
8)$x^{7} : x^{7} = x^{7 -7} = x^{0} = 1$