8.2. 以圖解法解一元二次不等式（Solve Quadratic Inequalities in One Unknown by the Graphical Method）

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招式一：堅持拒絕法　　招式五：友誼勸服法 招式二：告知理由法　　招式六：轉移話題法

甲、乙兩間通訊行，各以相同的成本買入一款新手機。甲通訊行按成本

In this Learning Unit, students are required to solve compound linear inequalities in one unknown involving logical connectives “and” or “or”, quadratic inequalities in one

索隆目前蒐集了5個玩具公仔，魯夫目前蒐集了25個玩具公仔，從下個

‡圖形使用者介面（ graphical user interface GUI）. ‡圖形使用者介面（ graphical user