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高中数学编辑
云南省玉溪市玉溪一中2017-2018学年高二下学期期中试题理(数学)
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资源简介
1.不等式的解集是(    
A.                  B.
C.                    D.
2. 已知,那么复数的虚部是(    
   A.         B.         C.        D.
3. 如图,在正方形中,点的中点,点的一个三等分点,
那么=(  
                  B.     
                  D.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
4. 等比数列的前项和为,已知,则 =      
    A.           B.              C.         D.
5. 钝角三角形的面积是,则       
A       B         C1             D
 
6.抛掷两枚骰子,则在已知它们点数不同的情况下,至少有一枚出现3点的概率是( )
A.          B.            C.                   D.
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