2020½ì·îÏÍÇø¸ßÈýһģÊýѧWord°æ(¸½½âÎö)

ÄÚÈÝ·¢²¼¸üÐÂʱ¼ä : 2025/11/29 22:06:23ÐÇÆÚÒ» ÏÂÃæÊÇÎÄÕµÄÈ«²¿ÄÚÈÝÇëÈÏÕæÔĶÁ¡£

ÉϺ£ÊзîÏÍÇø2020½ì¸ßÈýһģÊýѧÊÔ¾í

2019.12

Ò». Ìî¿ÕÌ⣨±¾´óÌâ¹²12Ì⣬1-6ÿÌâ4·Ö£¬7-12ÿÌâ5·Ö£¬¹²54·Ö£© 1. ¼ÆË㣺lim3n?2? n??2n?12. ÔÚ¡÷ABCÖУ¬ÈôA?60?£¬AB?2£¬AC?23£¬Ôò¡÷ABCµÄÃæ»ýÊÇ 3. Ô²×¶µÄµ×Ãæ°ë¾¶Îª1£¬¸ßΪ2£¬ÔòÔ²×¶µÄ²àÃæ»ýµÈÓÚ

rrrr134. Éèa?(,sin?)£¬b?(cos?,)£¬ÇÒa¡Îb£¬Ôòcos2??

3225. ÔÚ(x2?)5¶þÏîÕ¹¿ªÊ½ÖУ¬xµÄÒ»´ÎÏîϵÊýΪ £¨ÓÃÊý×Ö×÷´ð£©

x6. Èô¼×¡¢ÒÒÁ½ÈË´Ó6ÃſγÌÖи÷Ñ¡ÐÞ3ÃÅ£¬Ôò¼×¡¢ÒÒËùÑ¡Ð޵ĿγÌÖÐÖ»ÓÐ1ÃÅÏàͬµÄÑ¡ ·¨ÖÖÊýΪ

7. ÈôË«ÇúÏߵĽ¥½üÏß·½³ÌΪy??3x£¬ËüµÄ½¹¾àΪ210£¬Ôò¸ÃË«ÇúÏߵıê×¼·½³ÌΪ 8. ÒÑÖªµã(3,9)ÔÚº¯Êýf(x)?1?axµÄͼÏñÉÏ£¬Ôòf(x)µÄ·´º¯ÊýΪf?1(x)?

uuuruuuruuur9. ÉèÆ½ÃæÖ±½Ç×ø±êϵÖУ¬OΪԭµã£¬NΪ¶¯µã£¬|ON|?6£¬ON?5OM£¬¹ýµãM×÷

MM1?yÖáÓÚM1£¬¹ýN×÷NN1?xÖáÓÚµãN1£¬MÓëM1²»Öغϣ¬NÓëN1²»Öغϣ¬Éè uuuruuuuuruuuurOT?M1M?N1N£¬ÔòµãTµÄ¹ì¼£·½³ÌÊÇ

10. ¸ù¾ÝÏà¹Ø¹æ¶¨£¬»ú¶¯³µ¼ÝÊ»ÈËѪҺÖеľƾ«º¬Á¿´óÓÚ£¨µÈÓÚ£©20ºÁ¿Ë/100ºÁÉýµÄÐÐΪ ÊôÓÚÒû¾Æ¼Ý³µ£¬¼ÙÉèÒû¾Æºó£¬ÑªÒºÖеľƾ«º¬Á¿Îªp0ºÁ¿Ë/100ºÁÉý£¬¾­¹ýx¸öСʱ£¬¾Æ¾« º¬Á¿½µÎªpºÁ¿Ë/100ºÁÉý£¬ÇÒÂú×ã¹ØÏµÊ½p?p0?erx£¨rΪ³£Êý£©£¬ÈôijÈËÒû¾ÆºóѪҺÖÐµÄ ¾Æ¾«º¬Á¿Îª89ºÁ¿Ë/100ºÁÉý£¬2Сʱºó£¬²âµÃÆäѪҺÖоƾ«º¬Á¿½µÎª61ºÁ¿Ë/100ºÁÉý£¬Ôò ´ËÈËÒû¾ÆºóÐè¾­¹ý Сʱ·½¿É¼Ý³µ£¨¾«È·µ½Ð¡Ê±£©

11. ¸ø³öÏÂÁÐÒ»×麯Êý£ºf1(x)?log2(x2?2x?3)£¬f2(x)?ln(2x2?5x?8)£¬

f3(x)?lg(3x2?8x?13)£¬f4(x)?log0.3(x2?7.465517x?13.931034)£¬???£¬ÇëÄã

ͨ¹ýÑо¿ÒÔÉÏËù¸øµÄËĸöº¯Êý½âÎöʽ¾ßÓеÄÌØÕ÷£¬Ð´³öÒ»¸öÀàËÆµÄº¯Êý½âÎöʽ

y?loga(Ax2?Bx?C)£¨a?0£¬a?1£©£º

12. ÒÑÖªÖ±Ïßy?x?1ÉÏÓÐÁ½¸öµãA(a1,b1)¡¢B(a2,b2)£¬ÒÑÖªa1¡¢b1¡¢a2¡¢b2Âú×ã

2222|AB|?2?2£¬ÔòÕâÑùµÄµãAÓÐ 2|a1a2?bb12|?a1?b1?a2?b2£¬Èôa1?a2£¬

¸ö

¶þ. Ñ¡ÔñÌ⣨±¾´óÌâ¹²4Ì⣬ÿÌâ5·Ö£¬¹²20·Ö£©

13. ÒÑÖªµãP(a,b)£¬ÇúÏßC1µÄ·½³Ìy?1?x2£¬ÇúÏßC2µÄ·½³Ìx2?y2?1£¬Ôò¡°µã

P(a,b)ÔÚÇúÏßC1ÉÏ¡°ÊÇ¡±µãP(a,b)ÔÚÇúÏßC2ÉÏ¡°µÄ£¨ £©

A. ³ä·Ö·Ç±ØÒªÌõ¼þ B. ±ØÒª·Ç³ä·ÖÌõ¼þ C. ³äÒªÌõ¼þ D. ¼È·Ç³ä·ÖÓַDZØÒªÌõ¼þ 14. Ò»¸ö²»Êdz£ÊýÁеĵȱÈÊýÁÐÖУ¬ÖµÎª3µÄÏîÊý×î¶àÓУ¨ £©

A. 1¸ö B. 2¸ö C. 4¸ö D. ÎÞÇî¶à¸ö 15. ¸´ÊýzÂú×ã|z?3i|?2£¨iΪÐéÊýµ¥Î»£©£¬Ôò¸´Êýz?4Ä£µÄȡֵ·¶Î§ÊÇ£¨ £© A. [3,7] B. [0,5] C. [0,9] D. ÒÔÉ϶¼²»¶Ô

?a11a12a13???16. ÓÉ9¸ö»¥²»ÏàµÈµÄÕýÊý×é³ÉµÄ¾ØÕó?a21a22a23?ÖУ¬Ã¿ÐÐÖеÄÈý¸öÊý³ÉµÈ²îÊýÁУ¬

?a??31a32a33?ÇÒa11?a12?a13¡¢a21?a22?a23¡¢a31?a32?a33³ÉµÈ±ÈÊýÁУ¬ÏÂÁÐÅжÏÕýÈ·µÄÓУ¨ £©

¢Ù µÚ2ÁÐÖеÄa12¡¢a22¡¢a32±Ø³ÉµÈ±ÈÊýÁУ»¢Ú µÚ1ÁÐÖеÄa11¡¢a21¡¢a31²»Ò»¶¨³ÉµÈ±È ÊýÁУ»¢Û a12?a32?a21?a23£»

A. 1¸ö B. 2¸ö C. 3¸ö D. 0¸ö

Èý. ½â´ðÌ⣨±¾´óÌâ¹²5Ì⣬¹²14+14+14+16+18=76·Ö£©

17. ÒÑÖª³¤·½ÌåABCD?A1B1C1D1ÖУ¬AB?2£¬BC?4£¬AA1?4£¬µãMÊÇÀâC1D1ÉÏ µÄ¶¯µã.

£¨1£©ÇóÈýÀâ×¶D?A1B1MµÄÌå»ý£»

£¨2£©µ±µãMÊÇÀâC1D1ÉϵÄÖеãʱ£¬ÇóÖ±ÏßABÓë Æ½ÃæDA1MËù³ÉµÄ½Ç£¨½á¹ûÓ÷´Èý½Çº¯ÊýÖµ±íʾ£©.

18. ij¼ÍÄîÕ´ÓijÄêijÔÂijÈÕÆð¿ªÊ¼ÉÏÊУ¬Í¨¹ýÊг¡µ÷²é£¬µÃµ½¸Ã¼ÍÄîÕÂÿ1öµÄÊг¡¼Ûy£¨µ¥Î»£ºÔª£©ÓëÉÏÊÐʱ¼äx£¨µ¥Î»£ºÌ죩µÄÊý¾ÝÈçÏ£º

ÉÏÊÐʱ¼äxÌì Êг¡¼ÛyÔª 4 90 10 51 36 90 £¨1£©¸ù¾ÝÉϱíÊý¼Æ£¬´ÓÏÂÁк¯ÊýÖÐѡȡһ¸öÇ¡µ±µÄº¯ÊýÃèÊö¸Ã¼ÍÄîÕµÄÊг¡¼ÛyÓëÉÏÊРʱ¼äxµÄ±ä»¯¹ØÏµ²¢ËµÃ÷ÀíÓÉ£º¢Ù y?ax?b£»¢Ú y?ax2?bx?c£»¢Û y?a?logbx£» ¢Ü y?k?ax£»

£¨2£©ÀûÓÃÄãѡȡµÄº¯Êý£¬Çó¸Ã¼ÍÄîÕÂÊг¡¼Û×îµÍʱµÄÉÏÊÐÌìÊý¼°×îµÍµÄ¼Û¸ñ.

19. Æ½ÃæÄÚÈÎÒâÒ»µãPµ½Á½¶¨µãF1(?3,0)¡¢F2(3,0)µÄ¾àÀëÖ®ºÍΪ4.

uuuruuur£¨1£©ÈôµãPÊǵڶþÏóÏÞÄÚµÄÒ»µãÇÒÂú×ãPF1?PF2?0£¬ÇóµãPµÄ×ø±ê£»

uuuuruuuur£¨2£©ÉèÆ½ÃæÄÚÓйØÓÚÔ­µã¶Ô³ÆµÄÁ½¶¨µãM1¡¢M2£¬ÅбðPM1?PM2ÊÇ·ñÓÐ×î´óÖµºÍ×îСֵ£¬

Çë˵Ã÷ÀíÓÉ£¿

20. º¯Êýf(x)?sin(tan?x)£¬ÆäÖÐ??0. £¨1£©ÌÖÂÛf(x)µÄÆæÅ¼ÐÔ£»

£¨2£©??1ʱ£¬ÇóÖ¤£ºf(x)µÄ×îСÕýÖÜÆÚÊÇ?£» £¨3£©??(1.50,1.57)£¬µ±º¯Êýf(x)µÄͼÏñÓëg(x)?¼þµÄ?µÄ¸öÊý£¬ËµÃ÷ÀíÓÉ.

11(x?)µÄͼÏñÓн»µãʱ£¬ÇóÂú×ãÌõ2x

ÁªÏµ¿Í·þ£º779662525#qq.com(#Ìæ»»Îª@) ËÕICP±¸20003344ºÅ-4 ceshi