Ответ:
x^7×x^2=x^9
x^7:x^2=x^5
(x^7)^2=x^14
((x^3)^7×x^2)/x^15=(x^21×x^2)/x^15=(x^23)/x^15=x^8
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Ответ:
x^7×x^2=x^9
x^7:x^2=x^5
(x^7)^2=x^14
((x^3)^7×x^2)/x^15=(x^21×x^2)/x^15=(x^23)/x^15=x^8