在如图的程序框图中,若输入,,则输出的值是( )
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A. 3 B. 7 C. 11 D. 33
高三数学单选题简单题
在如图的程序框图中,若输入,,则输出的值是( )
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A. 3 B. 7 C. 11 D. 33
高三数学单选题简单题查看答案及解析
在如图的程序框图中,若输入,,则输出的值是( )
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A. 3 B. 7 C. 11 D. 33
高三数学单选题简单题查看答案及解析
执行如图所示的程序框图,如果输入的是,则与输出结果的值最接近的是( )
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A. B. C. D.
高三数学单选题中等难度题查看答案及解析
执行如图所示的程序框图,如果输入的是,则与输出结果的值最接近的是( )
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A. B. C. D.
高三数学单选题中等难度题查看答案及解析
执行如图所示的程序框图,运行相应的程序,则输出的的值为
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A. B. C. D.
高三数学单选题中等难度题查看答案及解析
如图,在中, , , 是边上的高,则的值等于( )
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A. 0 B. 4 C. 8 D. -4
高三数学单选题简单题查看答案及解析
如图,在直角梯形中, , , .直角梯形可以通过直角梯形以直线为轴旋转得到,且平面平面.
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(I)求证: .
(II)求直线和平面所成角的正弦值.
(III)设为的中点, , 分别为线段, 上的点(都不与点重合).若直线平面,求的长.
高三数学解答题中等难度题查看答案及解析
已知某几何体的三视图如图,则该几何体的表面积是( )
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A. 24 B. C. 36 D.
高三数学单选题中等难度题查看答案及解析
一矩形的一边在轴上,另两个顶点在函数的图象上,如图,则此矩形绕轴旋转而成的几何体的体积的最大值是( )
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A. B. C. D.
高三数学单选题简单题查看答案及解析
一个三棱锥的三视图是三个直角三角形,如图所示,则该三棱锥的外接球的表面积为__________.
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高三数学填空题简单题查看答案及解析