x>2是的  （    ）

A. 充分不必要條件                     B. 必要不充分條件

C. 既充分又必要條件                   D. 既不充分又不必要條件

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科目：高中數(shù)學(xué) 來(lái)源：2011-2012學(xué)年廣東省翠園中學(xué)高二上學(xué)期期中考試?yán)砜茢?shù)學(xué) 題型：填空題

x>2是的____________條件

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科目：高中數(shù)學(xué) 來(lái)源：2013屆湖南省高二上學(xué)期期末考試?yán)砜茢?shù)學(xué)試卷 題型：選擇題

x>2是的  （    ）

A. 充分不必要條件                     B. 必要不充分條件

C. 既充分又必要條件                   D. 既不充分又不必要條件

 

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科目：高中數(shù)學(xué) 來(lái)源： 題型：

x>2是的  （    ）

A. 充分不必要條件                     B. 必要不充分條件

C. 既充分又必要條件                   D. 既不充分又不必要條件

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科目：高中數(shù)學(xué) 來(lái)源： 題型：

給出下列五個(gè)命題，其中所有正確命題的序號(hào)是                

①若函數(shù)是偶函數(shù)，則函數(shù)的圖象關(guān)于直線對(duì)稱。

②x<2是|x|<2的充分非必要條件；                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      

③在ΔABC中，A>B是的充要條件；

④函數(shù)為奇函數(shù)的充要條件是=0；

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