江蘇省贛馬高級(jí)中學(xué)2009屆高三數(shù)學(xué)二輪小題專項(xiàng)訓(xùn)練四參考

2 已知向量6ec8aac122bd4f6e,若6ec8aac122bd4f6e,則m=6ec8aac122bd4f6e;

3.拋物線6ec8aac122bd4f6e的焦點(diǎn)坐標(biāo)是___(a,0) ___;

4.6ec8aac122bd4f6e的內(nèi)角A、B、C的對(duì)邊也為a、b、c,若a、b、c成等比數(shù)列,且c=2a,則6ec8aac122bd4f6e6ec8aac122bd4f6e

5.已知等差數(shù)列6ec8aac122bd4f6e中,6ec8aac122bd4f6e,其前5項(xiàng)和S5=10,則其公差d =6ec8aac122bd4f6e

6.已知6ec8aac122bd4f6e 6ec8aac122bd4f6e    則6ec8aac122bd4f6e8

7.如果實(shí)數(shù)6ec8aac122bd4f6e,且6ec8aac122bd4f6e,那么6ec8aac122bd4f6e6ec8aac122bd4f6e由大到小的順序是6ec8aac122bd4f6e

8.以雙曲線6ec8aac122bd4f6e的焦點(diǎn)為頂點(diǎn),頂點(diǎn)為焦點(diǎn)的橢圓方程是6ec8aac122bd4f6e

9.已知6ec8aac122bd4f6e,6ec8aac122bd4f6e,且6ec8aac122bd4f6e,若6ec8aac122bd4f6e6ec8aac122bd4f6e,則6ec8aac122bd4f6e6ec8aac122bd4f6e

10.設(shè)直線6ec8aac122bd4f6e的傾斜角為6ec8aac122bd4f6e,若6ec8aac122bd4f6e,則角6ec8aac122bd4f6e的取值范圍是6ec8aac122bd4f6e

11.已知數(shù)列6ec8aac122bd4f6e滿足a1=2,6ec8aac122bd4f6e6ec8aac122bd4f6e),

6ec8aac122bd4f6e3

12.已知數(shù)列6ec8aac122bd4f6e的兩頂點(diǎn)A、C是橢圓6ec8aac122bd4f6e的二個(gè)焦點(diǎn),頂點(diǎn)B在橢圓上,則6ec8aac122bd4f6e6ec8aac122bd4f6e

 

13.定義兩種運(yùn)算:6ec8aac122bd4f6e,6ec8aac122bd4f6e

6ec8aac122bd4f6e是__奇__函數(shù),(填奇、偶、非奇非偶,既奇又偶四個(gè)中的一個(gè))

14.給定下列結(jié)論:

①已知命題p:6ec8aac122bd4f6e,6ec8aac122bd4f6e;命題6ec8aac122bd4f6e6ec8aac122bd4f6e,則命題“6ec8aac122bd4f6e6ec8aac122bd4f6e”是假命題;

②已知直線l16ec8aac122bd4f6e,l2:x- by + 1= 0,則6ec8aac122bd4f6e的充要條件是6ec8aac122bd4f6e;

③若6ec8aac122bd4f6e,6ec8aac122bd4f6e,則6ec8aac122bd4f6e;

④圓6ec8aac122bd4f6e,與直線6ec8aac122bd4f6e相交,所得的弦長(zhǎng)為2;

⑤定義在R上的函數(shù)6ec8aac122bd4f6e,則6ec8aac122bd4f6e是周期函數(shù);

其中正確命題的序號(hào)為___ ③⑤___(把你認(rèn)為正確的命題序號(hào)都填上)


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