a) 5^13 × 5^-11= 25^2
б) x^18 : x^13 = x^31
в) (х^2)^5 = х^32
г) (ху)^7 = х^7 у^7
д) (х/5)^5 = х^5/1250
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a) 5^13 × 5^-11= 25^2
б) x^18 : x^13 = x^31
в) (х^2)^5 = х^32
г) (ху)^7 = х^7 у^7
д) (х/5)^5 = х^5/1250