ÏÂÃæÊÇ**16Äê¸ß¿¼Ð¿αê¢óÎÄÊýÊÔÌâ¼°²Î¿¼´ð°¸,ѧÓѿɲο¼¹À·Ö:
È«¹ú¸ß¿¼Íø:
¡¡¡¡¾øÃÜ¡ïÆô·â²¢Ê¹ÓÃÍê±Ïǰ
¡¡¡¡ÊÔÌâÀàÐÍ£º
¡¡¡¡**16ÄêÆÕͨ¸ßµÈѧУÕÐÉúÈ«¹úͳһ¿¼ÊÔ
¡¡¡¡ÎÄ¿ÆÊýѧ
¡¡¡¡×¢ÒâÊÂÏ
¡¡¡¡1.±¾ÊÔ¾í·ÖµÚ¢ñ¾í(Ñ¡ÔñÌâ)ºÍµÚ¢ò¾í(·ÇÑ¡ÔñÌâ)Á½²¿·Ö.µÚ¢ñ¾í1ÖÁ3Ò³£¬µÚ¢ò¾í3ÖÁ5Ò³.
¡¡¡¡2.´ðÌâǰ£¬¿¼ÉúÎñ±Ø½«×Ô¼ºµÄÐÕÃû¡¢×¼¿¼Ö¤ºÅÌîдÔÚ±¾ÊÔÌâÏàÓ¦µÄλÖÃ.
¡¡¡¡3.È«²¿´ð°¸ÔÚ´ðÌ⿨ÉÏÍê³É£¬´ðÔÚ±¾ÊÔÌâÉÏÎÞЧ.
¡¡¡¡4.¿¼ÊÔ½áÊøºó£¬½«±¾ÊÔÌâºÍ´ðÌ⿨һ²¢½»»Ø.
µÚ¢ñ¾í
Ò». Ñ¡ÔñÌ⣺±¾´óÌâ¹²12СÌ⣬ÿСÌâ5·Ö£¬ÔÚÿСÌâ¸ø³öµÄËĸöÑ¡ÏîÖУ¬Ö»ÓÐÒ»ÏîÊÇ·ûºÏÌâĿҪÇóµÄ.
£¨1£©É輯ºÏ £¬Ôò =
£¨A£© £¨B£© £¨C£© £¨D£©
£¨2£©Èô £¬Ôò =
£¨A£©1 £¨B£© £¨C£© £¨D£©
£¨3£©ÒÑÖªÏòÁ¿ =£¨ £¬ £©£¬ =£¨ £¬ £©£¬Ôò∠ABC=
£¨A£©30°£¨B£©45°
£¨C£©60°£¨D£©1**°
£¨4£©Ä³ÂÃÓγÇÊÐΪÏòÓοͽéÉܱ¾µØµÄÆøÎÂÇé¿ö£¬»æÖÆÁËÒ»ÄêÖи÷ÔÂÆ½¾ù×î¸ßÆøÎÂºÍÆ½¾ù×îµÍÆøÎµÄÀ×´ïͼ.ͼÖÐAµã±íʾʮÔÂµÄÆ½¾ù×î¸ßÆøÎÂԼΪ15¡æ£¬Bµã±íʾËÄÔÂµÄÆ½¾ù×îµÍÆøÎÂԼΪ5¡æ.ÏÂÃæÐðÊö²»ÕýÈ·µÄÊÇ
£¨A£©¸÷ÔÂµÄÆ½¾ù×îµÍÆøÎ¶¼ÔÚ0¡æÒÔÉÏ
£¨B£©ÆßÔÂµÄÆ½¾ùβî±ÈÒ»ÔÂµÄÆ½¾ùβî´ó
£¨C£©ÈýÔºÍʮһÔÂµÄÆ½¾ù×î¸ßÆøÎ»ù±¾Ïàͬ
£¨D£©Æ½¾ù×î¸ßÆøÎ¸ßÓÚ**¡æµÄÔ·ÝÓÐ5¸ö
£¨5£©Ð¡Ãô´ò¿ª¼ÆËã»úʱ£¬Íü¼ÇÁË¿ª»úÃÜÂëµÄǰÁ½Î»£¬Ö»¼ÇµÃµÚһλÊÇM£¬I,NÖеÄÒ»¸ö×Öĸ£¬µÚ¶þλÊÇ1,2,3,4,5ÖеÄÒ»¸öÊý×Ö£¬ÔòСÃôÊäÈëÒ»´ÎÃÜÂëÄܹ»³É¹¦¿ª»úµÄ¸ÅÂÊÊÇ
£¨A£© £¨B£© £¨C£© £¨D£©
£¨6£©Èôtanθ= £¬Ôòcos2θ=
£¨A£© £¨B£© £¨C£© £¨D£©
£¨7£©ÒÑÖª £¬Ôò
(A)b<a<c (B) a<b<c (C) b<c<a (D) c<a<b
£¨8£©Ö´ÐÐÓÒÃæµÄ³ÌÐò¿òͼ£¬Èç¹ûÊäÈëµÄa=4£¬b=6£¬ÄÇôÊä³öµÄn=
£¨A£©3
£¨B£©4
£¨C£©5
£¨D£©6
£¨9£©ÔÚ ÖУ¬B=
(A) (B) (C) (D)
£¨10£©Èçͼ£¬Íø¸ñÖ½ÉÏСÕý·½Ðεı߳¤Îª1£¬´ÖʵÏÖ»³öµÄÊÇij¶àÃæÌåµÄÈýÊÓͼ£¬Ôò¸Ã¶àÃæÌåµÄ±íÃæ»ýΪ
£¨A£©
£¨B£©
£¨C£©90
£¨D£©81
£¨11£©ÔÚ·â±ÕµÄÖ±ÈýÀâÖùABC£A1B1C1ÄÚÓÐÒ»¸öÌå»ýΪVµÄÇò.ÈôAB⊥BC£¬AB=6£¬BC=8£¬AA1=3£¬ÔòVµÄ×î´óÖµÊÇ
£¨A£© £¨B£© £¨C£© £¨D£©
£¨12£©ÒÑÖªOÎª×ø±êԵ㣬FÊÇÍÖÔ²C£º µÄ×󽹵㣬A£¬B·Ö±ðΪCµÄ×ó£¬ÓÒ¶¥µã.PΪCÉÏÒ»µã£¬ÇÒPF⊥xÖá.¹ýµãAµÄÖ±ÏßlÓëÏß¶ÎPF½»ÓÚµãM£¬ÓëyÖá½»ÓÚµãE.ÈôÖ±ÏßBM¾¹ýOEµÄÖе㣬ÔòCµÄÀëÐÄÂÊΪ
£¨A£© £¨B£© £¨C£© £¨D£©
µÚII¾í
±¾¾í°üÀ¨±Ø¿¼ÌâºÍÑ¡¿¼ÌâÁ½²¿·Ö.µÚ(13)Ìâ~µÚ(21)ÌâΪ±Ø¿¼Ì⣬ÿ¸öÊÔÌ⿼Éú¶¼±ØÐë×÷´ð.µÚ(22)Ìâ~µÚ(24)ÌâΪѡ¿¼Ì⣬¿¼Éú¸ù¾ÝÒªÇó×÷´ð.
¶þ¡¢Ìî¿ÕÌ⣺±¾´óÌâ¹²3СÌ⣬ÿСÌâ5·Ö
£¨13£©Éèx£¬yÂú×ãÔ¼ÊøÌõ¼þ Ôòz=2x+3y–5µÄ×îСֵΪ______.
£¨14£©º¯Êýy=sin x–cosxµÄͼÏñ¿ÉÓɺ¯Êýy=2sin xµÄͼÏñÖÁÉÙÏòÓÒÆ½ÒÆ______¸öµ¥Î»³¤¶ÈµÃµ½.
£¨15£©ÒÑÖªÖ±Ïßl£º ÓëÔ²x2+y2=12½»ÓÚA¡¢BÁ½µã£¬¹ýA¡¢B·Ö±ð×÷lµÄ´¹ÏßÓëxÖá½»ÓÚC¡¢DÁ½µã£¬Ôò|CD|= .
£¨16£©ÒÑÖªf(x)Ϊżº¯Êý£¬µ± ʱ£¬ £¬ÔòÇúÏßy= f(x)ÔÚµã(1,2)´¦µÄÇÐÏß·½³Ìʽ_____________________________.
Èý.½â´ðÌ⣺½â´ðӦд³öÎÄ×Ö˵Ã÷£¬Ö¤Ã÷¹ý³Ì»òÑÝËã²½Öè.
£¨17£©£¨±¾Ð¡ÌâÂú·Ö12·Ö£©
ÒÑÖª¸÷ÏΪÕýÊýµÄÊýÁÐ Âú×ã £¬ .
£¨I£©Çó £»
£¨II£©Çó µÄͨÏʽ.
£¨18£©£¨±¾Ð¡ÌâÂú·Ö12·Ö£©
ÏÂͼÊÇÎÒ¹ú**08ÄêÖÁ**14ÄêÉú»îÀ¬»øÎÞº¦»¯´¦ÀíÁ¿£¨µ¥Î»£ºÒÚ¶Ö£©µÄÕÛÏßͼ.
×¢£ºÄê·Ý´úÂë1–7·Ö±ð¶ÔÓ¦Äê·Ý**08–**14.
£¨¢ñ£©ÓÉÕÛÏßͼ¿´³ö£¬¿ÉÓÃÏßÐԻعéÄ£ÐÍÄâºÏyÓëtµÄ¹ØÏµ£¬ÇëÓÃÏà¹ØÏµÊý¼ÓÒÔ˵Ã÷£»
£¨¢ò£©½¨Á¢y¹ØÓÚtµÄ»Ø¹é·½³Ì£¨ÏµÊý¾«È·µ½0.01£©£¬Ô¤²â**16ÄêÎÒ¹úÉú»îÀ¬»øÎÞº¦»¯´¦ÀíÁ¿.
¸½×¢£º
²Î¿¼Êý¾Ý£º £¬ £¬ £¬≈2.646.
²Î¿¼¹«Ê½£º
»Ø¹é·½³Ì ÖÐбÂʺͽؾàµÄ×îС¶þ³Ë¹À¼Æ¹«Ê½·Ö±ðΪ£º
£¨**£©£¨±¾Ð¡ÌâÂú·Ö12·Ö£©
Èçͼ£¬ËÄÀâ×¶P-ABCDÖУ¬PA⊥µØÃæABCD£¬AD¡ÎBC£¬AB=AD=AC=3£¬PA=BC=4£¬MΪÏß¶ÎADÉÏÒ»µã£¬AM=2MD£¬NΪPCµÄÖеã.
£¨I£©Ö¤Ã÷MN¡ÎÆ½ÃæPAB;
£¨II£©ÇóËÄÃæÌåN-BCMµÄÌå»ý.
£¨**£©£¨±¾Ð¡ÌâÂú·Ö12·Ö£©
ÒÑÖªÅ×ÎïÏßC£ºy2=2xµÄ½¹µãΪF£¬Æ½ÐÐÓÚxÖáµÄÁ½ÌõÖ±Ïßl1£¬l2·Ö±ð½»CÓÚA£¬BÁ½µã£¬½»CµÄ×¼ÏßÓÚP£¬QÁ½µã.
£¨¢ñ£©ÈôFÔÚÏß¶ÎABÉÏ£¬RÊÇPQµÄÖе㣬֤Ã÷AR¡ÎFQ£»
£¨¢ò£©Èô¡÷PQFµÄÃæ»ýÊÇ¡÷ABFµÄÃæ»ýµÄÁ½±¶£¬ÇóABÖеãµÄ¹ì¼£·½³Ì.
£¨21£©£¨±¾Ð¡ÌâÂú·Ö12·Ö£©
É躯Êý .
£¨I£©ÌÖÂÛ µÄµ¥µ÷ÐÔ£»
£¨II£©Ö¤Ã÷µ± ʱ£¬ £»
£¨III£©Éè £¬Ö¤Ã÷µ± ʱ£¬ .
Ç뿼ÉúÔÚ22¡¢23¡¢24ÌâÖÐÈÎѡһÌâ×÷´ð,Èç¹û¶à×ö,Ôò°´Ëù×öµÄµÚÒ»Ìâ¼Æ·Ö,×ö´ðʱÇëдÇåÌâºÅ
£¨22£©£¨±¾Ð¡ÌâÂú·Ö10·Ö£©Ñ¡ÐÞ4—1£º¼¸ºÎÖ¤Ã÷Ñ¡½²
Èçͼ£¬¡ÑOÖÐ µÄÖеãΪP£¬ÏÒPC£¬PD·Ö±ð½»ABÓÚE£¬FÁ½µã¡£
£¨¢ñ£©Èô∠PFB=2∠PCD£¬Çó∠PCDµÄ´óС£»
£¨¢ò£©ÈôECµÄ´¹Ö±Æ½·ÖÏßÓëFDµÄ´¹Ö±Æ½·ÖÏß½»ÓÚµãG£¬Ö¤Ã÷OG⊥CD¡£
£¨23£©£¨±¾Ð¡ÌâÂú·Ö10·Ö£©Ñ¡ÐÞ4—4£º×ø±êϵÓë²ÎÊý·½³Ì
ÔÚÖ±Ïß×ø±êϵxoyÖУ¬ÇúÏßC1µÄ²ÎÊý·½³ÌΪ £¨ Ϊ²ÎÊý£©¡£ÒÔ×ø±êÔµãΪ¼«µã£¬xÖáÕý°ëÖáΪ¼«Öᣬ½¨Á¢¼«×ø±êϵ£¬ÇúÏßC2µÄ¼«×ø±ê·½³ÌΪρsin£¨ £©= .
£¨I£©Ð´³öC1µÄÆÕͨ·½³ÌºÍC2µÄÖ±½Ç×ø±ê·½³Ì£»
£¨II£©ÉèµãPÔÚC1ÉÏ£¬µãQÔÚC2ÉÏ£¬Çó¨OPQ¨OµÄ×îСֵ¼°´ËʱPµÄÖ±½Ç×ø±ê.
£¨24£©£¨±¾Ð¡ÌâÂú·Ö10·Ö£©£¬Ñ¡ÐÞ4—5£º²»µÈʽѡ½²
ÒÑÖªº¯Êýf(x)=¨O2x-a¨O+a.
£¨I£©µ±a=2ʱ£¬Çó²»µÈʽf(x)≤6µÄ½â¼¯£»
£¨II£©É躯Êýg(x)=¨O2x-1¨O.µ±x∈Rʱ£¬f(x)+g(x)≥3£¬ÇóaµÄȡֵ·¶Î§¡£
¾øÃÜ¡ïÆô·â²¢Ê¹ÓÃÍê±Ïǰ
ÊÔÌâÀàÐÍ£ºÐ¿αê¢ó
**16ÄêÆÕͨ¸ßµÈѧУÕÐÉúÈ«¹úͳһ¿¼ÊÔÎÄ¿ÆÊýѧÕýʽ´ð°¸
µÚ¢ñ¾í
Ò»¡¢Ñ¡ÔñÌ⣺±¾´óÌâ¹²12СÌ⣬ÿСÌâ5·Ö£¬ÔÚÿСÌâ¸ø³öµÄËĸöÑ¡ÏîÖУ¬Ö»ÓÐÒ»ÏîÊÇ·ûºÏÌâĿҪÇóµÄ¡£
£¨1£©C £¨2£©D £¨3£©A £¨4£©D £¨5£©C £¨6£©D
£¨7£©A £¨8£©B £¨9£©D £¨10£©B £¨11£©B £¨12£©A
µÚII¾í
¶þ¡¢Ìî¿ÕÌ⣺±¾´óÌâ¹²3СÌ⣬ÿСÌâ5·Ö¡£
£¨13£© £¨14£© £¨15£©4 £¨16£©
Èý¡¢½â´ðÌ⣺½â´ðӦд³öÎÄ×Ö˵Ã÷£¬Ö¤Ã÷¹ý³Ì»òÑÝËã²½Ö裮
£¨17£©£¨±¾Ð¡ÌâÂú·Ö12·Ö£©
½â£º£¨¢ñ£©ÓÉÌâÒâµÃ . .........5·Ö
£¨¢ò£©ÓÉ µÃ .
ÒòΪ µÄ¸÷ÏΪÕýÊý£¬ËùÒÔ .
¹Ê ÊÇÊ×ÏîΪ £¬¹«±ÈΪ ѧ.¿ÆÍøµÄµÈ±ÈÊýÁУ¬Òò´Ë . ......12·Ö
£¨18£©£¨±¾Ð¡ÌâÂú·Ö12·Ö£©
½â£º£¨¢ñ£©ÓÉÕÛÏßͼÖÐÊý¾ÝºÍ¸½×¢Öвο¼Êý¾ÝµÃ
£¬ £¬ £¬
£¬
. ........4·Ö
ÒòΪ Óë µÄÏà¹ØÏµÊý½üËÆÎª0.99£¬ËµÃ÷ Óë µÄÏßÐÔÏà¹Ø³Ì¶ÈÏ൱¸ß£¬´Ó¶ø¿ÉÒÔÓÃÏßÐԻعéÄ£ÐÍÄâºÏ Óë µÄ¹ØÏµ. ............6·Ö
£¨¢ò£©ÓÉ ¼°£¨¢ñ£©µÃ £¬
.
ËùÒÔ£¬ ѧ.¿ÆÍø¹ØÓÚ µÄ»Ø¹é·½³ÌΪ£º . ..........10·Ö(ÔðÈα༣ºhaoxuewa)
ѧÓÑÇë΢ÐÅËÑË÷ºÃÑ§Íø£¬»ò¼Ó¹«ÖںŠhaoxuewacom »ñÈ¡¸ü¶àѧϰ×ÊѶ£¡
|