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        1. 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) 來源: 題型:

          給出下列五個命題,其中所有正確命題的序號是                

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

          x<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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