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2018年高中数学第3章空间向量与立体几何3.2.3空间的角的计算课件9苏教版选修2_1.ppt

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立体几何中的向量方法()求空间角,基 础 自 测,返回,基 础 自 测,返回,基 础 自 测,返回,题型一,求异面直线所成的角,题型一,求异面直线所成的角,题型一,求异面直线所成的角,题型二,求直线与平面所成的角,A,B,F,C,D,题型三,求二面角,题型三,求二面角,题型三,求二面角,题型三,求二面角,方 法 与 技 巧,失 误 与 防 范,

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