香港中學文憑-數學 - 2012PP - 卷一 -

答案：$\dfrac{y^7}{x^{10}}$
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& \d

答案：B
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& (27\cdot 9^{n+1})^3 \\
= &

答案：$\dfrac{x^3}{y^{10}}$
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& \d

答案：B
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& (2n^3)^{-5} \\
= & 2^

答案：$\dfrac{n^{35}}{m^6}$
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& \d

答案：D
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& \dfrac{(3y^6)^4}{3y^2}

答案：$x^{11}y^{20}$
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& \dfrac{(x

答案：A
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& 8^{222} \cdot 5^{666} \\
=

答案：$\dfrac{m^{22}}{n^3}$
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& \d

答案：D
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& \left(\dfrac{1}{9^{555

答案：$\dfrac{x^9}{y^5}$
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& \dfra

答案：B
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& \dfrac{8^{2n+1}}{4^{3n

答案：D
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& \dfrac{(6x^7)^2}{4x^5}

答案：$\dfrac{m^9}{n^{10}}$
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& \d

答案：C
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& \dfrac{6x}{(3x^{-5})^{

答案：$\dfrac{\beta^{23}}{\alpha^9}$
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答案：B

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& \dfrac{(2^n)(8^{3n})}{

答案：$\dfrac{a^{17}}{b^{14}}$

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&