2013-II-01
答案:B
$\begin{array}{cl}
& (27\cdot 9^{n+1})^3 \\
= &
… Read $\begin{array}{cl}
& (27\cdot 9^{n+1})^3 \\
= &
$\begin{array}{rcl}
x-\dfrac{x-1}{2}
$\begi
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f(-1)
$\begin{array}{cl}
= & \$80~080 \div (1
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= & \$50~000\times(1
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= & 36\text{
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\text{其斜率}
由於 $AB$ 為半圓的直徑,則 $\angle A
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= & \sqrt{3^2+4^2}
因為 $AD:BC=2:3$ 及 $E$ 為 $BC$ 的中點,可得
$\begin{arr
$\therefore \angle ADB = \angle DB
因為由 $O$ 測 $P$ 的方位角為 $\text{S}86^\cir