2009-II-04
答案:A
$\begin{array}{cl}
& (3x-5)(2x^2 + 5x -3) \
= &#
… Read $\begin{array}{cl}
& (3x-5)(2x^2 + 5x -3) \
= &#
$\begin{array}{rc
$\left\{ \begin{a
$\begin{array}{cl}
= & 30~000\times (1 + 5
$\begin{array}{cl}
= & 1 : 5~000 \
設
$\begin{array}{cl}
= & 48 \div 4 \
=
$\begin{ar
$\begin{array}{c|c|c|c}
& \text{球體 }A &
$\begin{array}{rcl}
\cos 60^\circ &
於