2018_2019学年高中数学第二章点、直线、平面之间的位置关系2.2.1直线与平面平行的判定情境导学素材新人教A版必修2.doc

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2018_2019学年高中数学第二章点、直线、平面之间的位置关系2.2.1直线与平面平行的判定情境导学素材新人教A版必修2.doc_第1页
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12.2.1 直线与平面平行的判定【情境导学】 当门扇绕着一边转动时,门扇转动的一边所在的直线与门框所在的平面具有什么样的位置关系?将课本放在桌面上,翻动书的封面,封面边缘所在的直线与桌面所在的平面具有什么样的位置关系?为什么?

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