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ǰλãҳ > (优辅资源)四川省成都高二上学期10月月考试?数学(? Word版含答案 - 百度文库

(优辅资源)四川省成都高二上学期10月月考试?数学(? Word版含答案 - 百度文库

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A.(-6,-8) B.(-8,6) C.(6,8) D.(-6,8) 6. A,Bxϵ㣬PĺΪ2PA?PBֱPAķx?y?1?0,ֱPBķǣ

A.x?y?5?0 C.2x?y?1?0 C.2y?x?4?0 D.2x?y?7?0

7. ֱlֱy?1,x?7ֱڵPQ߶PQеΪ1-1ֱlбΪ

A.

1132 B.? C.? D. 3323?x?y?0

?

8. x,yԼ?x?y?1Ŀ꺯z?5x?yֵΪ

?x?2y?1?

A.2 b.3 c.4 D.5

9. ֱl1ֱl2:3x?2y?12?0Ľxϣl1l2l1yϵĽؾ

A.-4 B.4 C.?88 D.

3310. ֱl1:ax?by?0,l2:(a?1)x?y?b?0ֱl1l2ͬʱƽֱl:x?2y?3?0,a,bֵΪ

A.a?,b??3 B.a?,b??3 C.a?322332,b?3 D.a?,b?3 2311. ƽ?ֱm,n m//n,m,n?ɵĽȡ ڷm//n,n//?m//n,. m??,m?n,n??

mnm//? n?ཻȷУ A.4 B.2 C.3 D.1 12. ֪?xn?x1?3,ͨxn?2np?nq,(n?N?,p,qΪx1,x4,x5ɵȲУpֵ֮Ϊ

A.1 B.-1 C.2 D.-2

ڢѡ⣬90֣

⣨⹲4С⣬ÿС5֣20֣

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13. ֱ3x?y?2?3?0Ƶ㣨-12˳ʱת30oõֱ߷____________

14. ֪ʵx,y5x?12y?60x2?y2Сֵ_________ 15. (6a2?a?2)x?(3a2?5a?2)y?a?1?0ʾƽyֱߣaΪ____________

16. ͼABCD?A1B1C1D1ⳤΪa壬˵ P?BDC1ƽ˶׶P?AB1D1Ϊֵ

ֱ A1CƽBDC1ĽΪ?BDC1ģ MNLֱA1B1,A1D1,A1A˵㲻غϵ㣬?MNLΪΣ

QΪAA1е㣬GΪA1B1C1D1߽磩ڵһ㣬ʼGQ?A1C򶯵GĹ켣A1ΪԲģ

2aΪ뾶һԲ 3ȷ˵____________________дȷ˵ţ ⣨⹲6С⣬75֣

17. 10֣A40B(6,7),C(0,3) 1BCߵĴֱƽ߷̣ 2ABϸCDֱ߷̣

18. 10֣󾭹M(3,-1),ԲC:x2?y2?2x?6y?5?0ڵN(1,2)Բķ̡

19.12֣ABCD?A1B1C1D1ⳤΪ1壬 1ֱA1DACɽǵĴС 2֤ƽACB1ƽBB1D1D.

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220. 13֣?an?Уa1?2,a2?4,ҵn?2ʱan?an?1aa?1,n?N?

1?an?ͨʽan

2bn?(2n?1)an,?bn?ǰnSn

21.12֣ ֪?an?Уa1?1,an?1?2an?3ͨǰnSn

22. 13֣ͼABCDཻM20ABֱ߷Ϊx?3y?6?0,T(?1,1)ADֱϣ

1ADֱߵķ̣ 2ABCDԲķ̣

3ԲһN(1,6)ԲߣеֱΪEFEFֱ߷̡

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ĵ A.(-6,-8) B.(-8,6) C.(6,8) D.(-6,8) 6. A,Bxϵ㣬PĺΪ2PA?PBֱPAķx?y?1?0,ֱPBķǣ A.x?y?5?0 C.2x?y?1?0 C.2y?x?4?0 D.2x?y?7?0 7. ֱlֱy?1,x?7ֱڵPQ߶PQеΪ1-1ֱlбΪ A.1132 B.? C.?

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