2010-II-04
答案:B
$\begin{array}{cl}
& ab+ac-a^2-bc \\
= & a
… Read $\begin{array}{cl}
& ab+ac-a^2-bc \\
= & a
根據該圖
\begin{equation*}
\frac{0}{3},~\frac
$\begin{array}{rcl
$\begin{array}{cl}
= & \$40~000\times (
$\begin{array}{cl}
= &
$\begin{array}{cl}
= & \dfrac{1}
$\begin{array}{cl}
= & 8\times 5 + 3 \times 7
$\
$\begin{array}{rcl}
\tan \alpha
II 必為正確。立方體所有旋轉對稱軸的交點如下:
II