化简 (x^{12})/(x^7)

解答

化简

\frac{x ^{12}}{x ^{7}}

x^{5}

求解步骤

\frac{x ^{12}}{x ^{7}}

使用指数法则:

\frac{x ^{a}}{x ^{b}} = x^{a - b}

= x^{12 - 7}

数字相减:

12 - 7 = 5

= x^{5}

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