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 $\theta$ 為由 $P$ 測 $Q$ 的俯角。因為 $AP//QC$,所以 $\theta = 40^
$\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 $AB$ 上加點 $M$ 使得 $CM\perp AB$,且於 $DE$ 上加點 $N$ 使得 $CN\per