ÌåÓýµ¥ÕÐÊýѧģÄâÊÔÌâ(Ò»)¼°´ð°¸ ÏÂÔØ±¾ÎÄ

2018ÄêÌåÓýµ¥Õп¼ÊÔÊýѧÊÔÌâ(1)

Ò»¡¢Ñ¡ÔñÌ⣺±¾´óÌâ¹²10СÌ⣬ÿСÌâ6·Ö£¬¹²60·Ö¡£ÔÚÿСÌâ¸ø³öµÄËĸöÑ¡ÏîÖУ¬Ö»ÓÐ

Ò»ÏîÊÇ·ûºÏÌâĿҪÇóµÄ¡£

1¡¢É輯ºÏA?{1,2,3,},B?{2,3,4}£¬ÔòA?B? £¨ £©A¡¢{1,2,3,4} B¡¢{1,2,3} C¡¢{2,3,4} D¡¢

{1,4}

2¡¢ÏÂÁмÆËãÕýÈ·µÄÊÇ £¨ £©

A¡¢log26?log23?log23 B¡¢log26?log23?1 C¡¢log39?3 D¡¢log3??4??2log3??4? 3¡¢Çó¹ýµã£¨3,2£©ÓëÒÑÖªÖ±Ïßx?2y?2?0´¹Ö±µÄÖ±ÏßL2=£¨ £©

A: 2x-y-3=0 B: x+y-1=0 C: x-y-1=0 D: x+2y+4=0 4£®ÉèÏòÁ¿a?(1,cos?)Óëb?(?1,2cos?)´¹Ö±£¬Ôòcos2?µÈÓÚ£¨ £©A. D£®-1 5¡¢²»µÈʽ

2x?1?1µÄ½â¼¯Îª£¨ £© x?312B£® C£®0 22A¡¢x<-3»òx>4 B¡¢{x| x<-3»òx>4} C¡¢{x| -3

£©

D¡¢{x| -3

1} 26¡¢Âú×㺯Êýy?sinxºÍy?cosx¶¼ÊÇÔöº¯ÊýµÄÇø¼äÊÇ£¨

A£®[2k?,2k???2] , k?Z B£®[2k???2,2k???], k?Z

C£®[2k???,2k??], k?Z D£®[2k??,2k?] k?Z 227£®É躯Êýf(x)???2?lnx£¬Ôò£¨ £© xA. x?11Ϊf(x)µÄ¼«´óÖµµã B£®x?Ϊf(x)µÄ¼«Ð¡Öµµã 22C£®x=2Ϊf(x)µÄ¼«´óÖµµã D£®x=2Ϊf(x)µÄ¼«Ð¡Öµµã

23cos2A?cos2A?0,a?7,c?6£¬8.ÒÑÖªÈñ½Ç¡÷ABCµÄÄÚ½ÇA¡¢B¡¢CµÄ¶Ô±ß·Ö±ðΪa,b,c£¬Ôòb?£¨ £©£¨A£©10 £¨B£©9 £¨C£©8 £¨D£©5

9¡¢ÒÑÖª?an?ΪµÈ²îÊýÁУ¬ÇÒa7?2a4??1,a3?0£¬Ôò¹«²îd£½ £¨ £©

11A¡¢£­2 B¡¢? C¡¢ D¡¢2

2210¡¢3ÃûÒ½ÉúºÍ6Ãû»¤Ê¿±»·ÖÅäµ½3ËùѧУΪѧÉúÌå¼ì£¬Ã¿Ð£·ÖÅä1ÃûÒ½ÉúºÍ2Ãû»¤Ê¿£¬

²»Í¬µÄ·ÖÅä·½·¨¹²ÓУ¨ £©ÖÖ

A¡¢90 B¡¢180 C¡¢270 .. D¡¢540

¶þ¡¢Ìî¿ÕÌ⣺±¾´óÌâ¹²6СÌ⣬ÿСÌâ6·Ö£¬¹²36·Ö¡£ 11.ÒÑÖª4a?2,lgx?a,Ôòx=________.

2??12¡¢?x?? Õ¹¿ªÊ½µÄµÚ5ÏîΪ³£Êý£¬Ôòn? ¡£

x??13£®Ô²×¶µÄÖá½ØÃæÊǵÈÑüÖ±½ÇÈý½ÇÐΣ¬²àÃæ»ýÊÇ162?£¬ÔòÔ²×¶µÄÌå»ýÊÇ 14£®°ë¾¶ÎªRµÄ°ëÔ²¾í³ÉÒ»¸öÔ²×¶£¬ÔòËüµÄÌå»ýΪ________________. 15£®ÔÚ¡÷ABCÖУ¬Èôa?7,b?3,c?8£¬ÔòÆäÃæ»ýµÈÓÚ £® 16. Å×ÎïÏßy?12x?9µÄ¿ª¿Ú £¬¶Ô³ÆÖáÊÇ £¬¶¥µã×ø±êÊÇ ¡£ 4nÈý¡¢½â´ðÌ⣺±¾´óÌâ¹²3СÌ⣬¹²54·Ö¡£½â´ðӦд³öÎÄ×Ö˵Ã÷¡¢Ö¤Ã÷¹ý³Ì»òÑÝËã²½Öè¡£ 17£®(±¾Ð¡ÌâÂú·Ö18·Ö)ÔÚÒ»¿é¸ûµØÉÏÖÖÖ²Ò»ÖÖ×÷Îÿ¼¾ÖÖÖ²³É±¾Îª1000Ôª£¬´Ë×÷ÎïµÄÊг¡¼Û¸ñºÍÕâ¿éµØÉϵIJúÁ¿¾ßÓÐËæ»úÐÔ£¬ÇÒ»¥²»Ó°Ï죬Æä¾ßÌåÇé¿öÈçÏÂ±í£º

£¨1£©ÉèX±íʾÔÚÕâ¿éµØÉÏÖÖÖ²1¼¾´Ë×÷ÎïµÄÀûÈó£¬ÇóXµÄ·Ö²¼ÁУ»

£¨2£©ÈôÔÚÕâ¿éµØÉÏÁ¬Ðø3¼¾ÖÖÖ²´Ë×÷ÎÇóÕâ3¼¾ÖÐÖÁÉÙÓÐ2¼¾µÄÀûÈó²»ÉÙÓÚ£®£®£®2000Ôª µÄ¸ÅÂÊ.

x2y2?1µÄÓÒ½¹µã£¬²¢ÇÒ´ËÔ²¹ýÔ­µã 18¡¢ÒÑÖªÔ²µÄÔ²ÐÄΪ˫ÇúÏß?412Ç󣺣¨1£©Çó¸ÃÔ²µÄ·½³Ì £¨2£©ÇóÖ±Ïßy?3x±»½ØµÃµÄÏÒ³¤

19£®Èçͼ£¬ÔÚ¡÷ABCÖУ¬¡ÏABC=60£¬¡ÏBAC?90£¬ADÊÇBCÉϵĸߣ¬ÑØAD°Ñ¡÷ABDÕÛÆð£¬Ê¹¡ÏBDC?90£®£¨1£©Ö¤Ã÷£ºÆ½ÃæADB¡ÍÆ½ÃæBDC£»£¨2£©ÉèEΪBCµÄÖе㣬ÇóAEÓëDB¼Ð½ÇµÄÓàÏÒÖµ

2018ÄêÌå

Óýµ¥ÕÐÊýѧģÄâÊÔÌ⣨2£©

Ò»¡¢ Ñ¡ÔñÌâ

1, ÏÂÁи÷º¯ÊýÖУ¬Óëy?x±íʾͬһº¯ÊýµÄÊÇ£¨ £©

x22£¨£Á£©y? £¨£Â£©y?x2 £¨£Ã£©y?(x) £¨£Ä£©y?3x3

x2£¬Å×ÎïÏßy??12xµÄ½¹µã×ø±êÊÇ£¨ £© 4£¨£Á£© ?0,?1? £¨£Â£©?0,1? £¨£Ã£©?1,0? £¨ £Ä£©??1,0?

3£¬É躯Êýy?16?x2µÄ¶¨ÒåÓòΪ£Á£¬¹ØÓڣصIJ»µÈʽlog22?1?aµÄ½â¼¯Îª£Â£¬ÇÒA?B?A£¬Ôò

xaµÄȡֵ·¶Î§ÊÇ£¨ £©

£¨£Á£©???,3? £¨£Â£©?0,3? £¨£Ã£©?5,??? £¨£Ä£©?5,???

12,xÊǵڶþÏóÏ޽ǣ¬Ôòtanx?£¨ £© 13125512£¨£Á£© £¨£Â£© ? £¨£Ã£© £¨£Ä£©?

1212554£¬ÒÑÖªsinx?5£¬µÈ±ÈÊýÁÐ?an?ÖУ¬a1?a2?a3?30£¬a4?a5?a6?120£¬Ôòa7?a8?a9?£¨ £©

£¨£Á£©240 £¨£Â£©?240 £¨£Ã£© 480 £¨£Ä£©?480

6£¬ tan330?? £¨ £©

33£¨A£©3 £¨B£© £¨C£©?3 £¨D£©?

33

x2y2¹ýÍÖÔ²??1µÄ½¹µãF1×÷Ö±Ïß½»ÍÖÔ²ÓÚA¡¢BÁ½µã£¬F2ÊÇÍÖÔ²ÁíÒ»½¹µã£¬Ôò¡÷ABF2µÄÖܳ¤ÊÇ7£¬ 3625 £¨ £©

£¨A£©£®12 £¨B£©£®24 £¨C£©£®22 £¨D£©£®10

???8£¬ º¯Êýy?sin?2x??ͼÏñµÄÒ»¸ö¶Ô³ÆÖÐÐÄÊÇ£¨ £©

6??£¨A£©(??12,0) £¨B£©(??6,0)

£¨C£©(,0)

6?£¨D£©(,0)

3?

¶þ£¬Ìî¿ÕÌ⣨±¾´óÌâ¹²4¸öСÌ⣬ÿСÌâ5·Ö£¬¹²20·Ö£©