2011SP-II-01
答案:C
$\begin{array}{cl}
& (3a)^2\cdot a^3 \\
= &
… Read $\begin{array}{cl}
& (3a)^2\cdot a^3 \\
= &
$\begin{array}{cl}
= & f(-2) \\
=
對於獲利的手袋,
$\begin{
當 $x=3$ 及 $y=4$ 時,$
$\begin{array}{rcl}
\an
$\begin{array}{rcl}
a & = & 2\pi
$\begin{array}{rcl}
DT \times 9 &
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