ʱ : һ (衡水金卷)2018年普通高等学校招生全国统一考试模拟数学试题??- 百度文库ϿʼĶ
úðˮ2018ͨߵѧУȫͳһģѧ
ڢ60֣
һѡ⣺12С,ÿС5,60.ÿСĸѡУֻһǷĿҪ.
1.֪A???3,?2,?1,0,1,2,3?A???1,0,1,3?B???3,?2,?1,3?CU?A?B??
A??3,?2,1? B??2,?1,1? C?2? D??1,2,3?
2. ֪zz?1?i??i2018iλzڸƽڶӦĵΪ A.һ 3.f?x??B.ڶ 14?x2C. D.
?ln?2x?1?ĶΪ
?1??1??1??1?A??,2? B??,2? C??,2? D??,2?
?2??2??2??2?4.ڣκʱڵѧ״ԲΪԲʽܵۺƵ㷨.νԲDzϱԲڽεıԲʵķ.ͼμԲʱʾͼͶһ㣬õڵĸΪ
A33?3?3332 B C D
222?2?x2y25.֪˫2?2?1?a?0,b?0?һֱ4x?3y?1?0ֱҽԲ
abx2??y?1??26ϣ˫ߵıΪ
2x2y2x2y2x2y2x2y2A??1 B??1 C??1 D??1
91616934436.ִͼʾijͼt?0.05nΪ
1
úð
A3 B4 C5 D6
7.֪?an?ǰnΪSna1?3,an?1?2Sn?3a5? A33 B34 C35 D36
????8.֪f?x??sin?2?x?????0?ͼƽƸλȵõg?x?
6?3?ͼg?x?ͼڵĶԳľΪ
????????????A??,0? B?,0? C??,0? D?,0?
?6??6??12??12??g?x?ġԳΪ29.îľõһаϵӷʽֽ龣ֽî龺îҧϣãУϽǡ̳ɽµȣͼʾһîͼΪ
A8?12? B8?16? C9?12? D9?16?
2
úð?x?y?0,?10.֪ʵx,yԼ?x?y?2?0,ҽx?y?1ʱĿ꺯z?kx?yȡ
?x?3,?ֵʵkȡֵΧǣ
A???,1? B???,?1? C??1,??? D?1,???
11.֪a?0p:f?x??lgax2?2x?3ֵΪRq:g?x??x??1,???ڵ.?p?q⣬ʵaȡֵΧǣ 1???1??1?A???,0? B???,? C?0,? D?,1?
3???3??3???ax??lnx,x?012.f?x???g?x??x?a?1ͼϴڹyԳƵĵ㣬ʵa????x,x?0ȡֵΧǣ
AR B???,?e? C?e,??? D?
ڢ90֣
⣨ÿ5֣20֣ڴֽϣ
13.֪?ABCУDΪBCϵĵ㣬2BD?CD?0AD?mAB?nAC?m,n?R?n?
x2y214.֪xϵԲ??1һֱ2x?y?2?0ϣԲ
2m2m?1Ϊ
15.?ABCУA,B,CԵı߷ֱΪa,b,csinCcosA?sinB?1?cosC?
A??3,b?3c?
16.ͼھABCDУAD?2EΪABϵĵ㣬?ADEDE?A?DEʹõA?ƽEBCDϵͶӰCDϣֱA?DƽEBCDɽΪ30?߶
AEijΪ
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6С⣬70.Ӧд˵֤̻㲽. 17.֪Ȳ?an?ǰnΪSna1?5,3a5?a9?S6. 1?an?ͨʽ
?1?2?bn?bn?1?an?1anb1?a6??ǰnTn.
?bn?18.ͼP?ABCDĵABCDDZ߳Ϊ2ΣƽPAB?ƽABCDEPDе㣬PAƽBCEڵF.
1֤:AD//EF
2?PABΣP?BEF.
19.ijͳƾ־ijؾ10000ˣݻƵʷֱֲͼÿ˵㣬Ҷ˵㣬һʾ?1000,1500?.
1?3000,3500?Ƶʣ
2Ƶʷֱֲͼݵλݵƽ
3Ϊ˷䡢ְҵȷĹϵ밴ٴ10000аֲ100һ?2500,3000?Ӧȡˣ
4