香港中學會考 - 2006 - 卷一 -

答案：$a^{21}$
$\begin{array}{cl} & \dfrac{(a^3)^5}{

答案：B
$\begin{array}{cl}
& (2x)^3 \cdot x^3 \\
= &

答案：B
把 $x=0$ 代入 $y= 4^x$，可得

$\begin{array}{rcl}
y & = &

答案：$\dfrac{n^5}{m^3}$
$\begin{array}{cl}
& \dfra

答案：A
$\begin{array}{cl}
& 3^{2n} \cdot 4^n \\
= &

答案：C
$\begin{array}{cl}
& \dfrac{3\sqrt{a}}{2} &#

答案：$ab^3$
$\begin{array}{cl}
& \dfrac{(ab)^3}{a^

答案：B
$\begin{array}{cl}
& \left(\dfrac{1}{2}\rig

答案：A
$\begin{array}{cl}
& \sqrt{49a} – \sqrt

答案：$\dfrac{x^{23}}{y^3}$
$\begin{array}{cl}
& \d

答案：B
$\begin{array}{cl}
& 2^n \cdot 3^n \\
= & (2

答案：$a^4b^{15}$
$\begin{array}{cl}
& a^{14}\left(

答案：B
$\begin{array}{rcl}
\left(\dfrac{1}{9}\right)^{

答案：C
$\begin{array}{rcl}
\dfrac{1}{\sqrt{a^3}} \div \d

答案：$\dfrac{x^{57}}{y^6}$
$\begin{array}{cl}
& \d

答案：A
$\begin{array}{cl}
& 5^{334}\left(\dfrac{-1

答案：$\dfrac{n^5}{m^{12}}$
$\begin{array}{rl}
& \d

答案：C
$\begin{array}{cl}
& \dfrac{(2x^4)^3}{2x^5}