2020-II-02
答案:C
$\begin{array}{rcl}
a(a + b) & = & 2(b ̵
… Read $\begin{array}{rcl}
a(a + b) & = & 2(b ̵
$\begin{array}{rcl}
$\begin{array}{rcl}
bx + y
$\begin{array}{cl}
= &
$\begin{array}{cl}
= & 300 \text
當 $u = 2$ 及 $v = 4$ 時,$w=
$\begin{array}{rcl}
5 – 4x & < & 9 \\
-4x & < & 4 \\
x & >
留意 $PQUT$ 為一長方形,則 $PT = QU
原來的弧長
$\begin{array}
$\begin{array}{rcl}
\pi \times (5a)
$\begin{array}
考慮 $\Delta AEG$ 及 $\Delta DEG$。若分別以 $AE$ 及 $DE$
根據圖像,可得
$\begin{array}{rc
$\begin{array}{rcll}
\because \ang
$\begin{array}{cl}
& BE^2 + BC^