2023-I-08
答案:(b) 不是
… Read - 在 $\Delta ACE$ 及 $\Delta BDE$ 中,
$\begin{array}{r
$\begin{array}{rcl}
\dfrac{a+5b}{7a+2b} & = &
$\begin{array}{cl}
& \dfrac{2}{5-4x}-\dfrac
$\begin{array}{cl}
& 4^{n+2}3^{2n+4} \\
=
$\begin{array}{cl}
& 2x^2+xy-y^2+4x+4y \\
=
$\begin{array}{rcl}
(x+2)(x+c)+12 & \equiv
考慮第一條不等式,可得
$\begin{array}{rcl}
x-3 & < & -5 \\
x & < & -2
\end{array}$
考慮第二條不等
準確至三位有效數字的最大絕對誤差
$\begin{array}{cl}
= & \dfra
$\begin{array}{cl}
& g(1-3\alpha) \\
= & 1