¡¾ÌâÄ¿¡¿Èçͼ£¬¶þ´Îº¯ÊýµÄͼÏóÓë
Öá½»ÓÚ
£¬¶Ô³ÆÖáÊÇÖ±Ïß
£¬Óë
Öá½»ÓÚµã
£®Èôµã
£¬
ͬʱ´Ó
µã³ö·¢£¬¶¼ÒÔÿÃë
¸öµ¥Î»³¤¶ÈµÄËٶȷֱðÑØ
£¬
±ßÔ˶¯£®
£¨1£©Çó¸Ã¶þ´Îº¯ÊýµÄ½âÎöʽ¼°µãµÄ×ø±ê£¬Óë
ÖáµÄÁíÒ»¸ö½»µã
µÄ×ø±ê£®
£¨2£©µ±£¬
Ô˶¯µ½
Ãëʱ£¬
ÑØ
·ÕÛ£¬µã
Ç¡ºÃÂäÔÚ
ÖáÉÏ
µã´¦£¬ÇëÅж¨´ËʱËıßÐÎ
µÄÐÎ×´£¬²¢Çó³ö
µã×ø±ê£®
£¨3£©µ±µãÔ˶¯µ½¶Ô³ÆÖáÓë
µÄ½»µãʱ£¬µã
Íù»ØÔ˶¯£¬Í¬Ê±µã
Ôò
±¶µÄËٶȼÌÐøÑØ
Ô˶¯£¬ÔÚÕû¸öÔ˶¯¹ý³ÌÖУ¬ÒÔµã
£¬
£¬
Ϊ¶¥µãµÄÈý½ÇÐÎÃæ»ýÊÇ·ñ´æÔÚ×î´óÖµ£¿Èô´æÔÚ£¬ÇëÇó³öÕâ¸ö×î´óÖµ£»Èô²»´æÔÚ£¬Çë˵Ã÷ÀíÓÉ£®
£¨4£©ÔڶεÄÅ×ÎïÏßÉÏÓÐÒ»µã
µ½Ï߶Î
µÄ¾àÀë×î´ó£¬ÇëÇó³öÕâ¸ö×î´ó¾àÀ룮
¡¾´ð°¸¡¿(1) ¶þ´Îº¯ÊýµÄ½âÎöʽΪ£»µã
µÄ×ø±êΪ
£»
µã×ø±êΪ
£»£¨2£©
ΪÁâÐΣ¬µã
µÄ×ø±êΪ
£»£¨3£©×î´óÖµ
£»£¨4£©×î´ó¾àÀëΪ
£®
¡¾½âÎö¡¿
(1)ÀûÓôý¶¨ÏµÊý·¨Çó³ö¶þ´Îº¯ÊýµÄ½âÎöʽ,½ø¶øÇóµÃµãCºÍµãAµÄ×ø±ê£®
(2)ÏÈÖ¤Ã÷AMDNΪÁâÐÎ,ÔÙÓÉÁâÐεÄÐÔÖʵóöOM¡ÎAN,½ø¶øÖ¤Ã÷,ÀûÓöÔÓ¦±ß³É±ÈÀýÇó³öODµÄÖµ,¼´¿ÉÇó³öDµÄ×ø±ê£®
(3)¢Ùµ±MÑØAB·½ÏòÔ˶¯Ê±,×÷¸¨ÖúÏßÖ¤Ã÷,ÀûÓöÔÓ¦±ß³É±ÈÀýÇóÏ߶νø¶øÇó³öÃæ»ý;¢Úµ±µãMÑØBA·½ÏòÔ˶¯Ê±, ͬÑùÖ¤Ã÷
,ÀûÓöÔÓ¦±ß³É±ÈÀýÇó³öÏ߶νø¶øÇó³öÃæ»ý£®
(4)ͨ¹ýÒ»´Îº¯ÊýµÄ½âÎöʽÉè³öRµã×ø±ê, ¹ýµã×÷
ÓÚµã
,¹ýµã
×÷
ÖáµÄ´¹Ï߶Î
µÃ³öNµã×ø±ê,ÓÉÏàËƶÔÓ¦±ß³É±ÈÀýÇó³öRGΪ¶þ´Îº¯Êý,ÀûÓöþ´Îº¯ÊýµÄ×îÖµ½â³ö¼´¿É£®
½â£º£¨1£©ÓÉÒÑÖª£¬µÃ£¬½âµÃ
ËùÒÔ¶þ´Îº¯ÊýµÄ½âÎöʽΪ£®
ÓɶԳÆÖáÒÔ¼°µã
µÄ×ø±ê
£¬¿ÉµÃµã
µÄ×ø±êΪ
£®
½«´úÈËÅ×ÎïÏß·½³Ì£¬µÃ
£¬ËùÒÔ
µã×ø±êΪ
£®
£¨2£©Èçͼ1£¬ÒòΪËıßÐεÄËÄÌõ±ßÏàµÈ£¬ËùÒÔ
ΪÁâÐΣ¬ËùÒÔ
£®
£¬
£¬ÓÉ
£¬µÃ
£¬¼´
½âµÃ£®ÓÖ
£¬
£¬½âµÃ
£¬
µã
µÄ×ø±êΪ
£®
ͼ1
£¨3£©¢Ùµ±µãÑØ
·½ÏòÔ˶¯Ê±£¬¹ý
×ö
´¹Ö±
ÓÚµã
£¬Èçͼ2£®
Ôò£¬ÓÉ
£¬µÃ
£®
¼´£¬
£¬
£¬´Ëʱµ±
ʱ£¬Ãæ»ý
È¡×î´óÖµ
£®
ͼ2
¢Úµ±µãÑØ
·½ÏòÔ˶¯Ê±£¬Èçͼ3Éè
·µ»ØʱµÄʱ¼äΪ
£¬Í¬Ñù
£¬
£¬
£¬
´Ëʱ£¬
µ±
ʱ£¬
È¡µÃ×î´óÖµ
×ۺϢ٢ڿÉÖª£¬µãÔ˶¯µÄÕû¸ö¹ý³Ì£¬µ±Ê±¼äΪ
ʱ£¬
È¡µÃ×î´óÖµ
£®
ͼ3
£¨4£©ÇóµÃ
Éè´Ë¶ÎÅ×ÎïÏßÉÏÒ»µãµÄ×ø±êΪ
£¬¹ýµã
×÷
ÓÚµã
£¬
¹ýµã×÷
ÖáµÄ´¹Ï߶Î
£¬½»
ÓÚµã
£¬Ôò
µãµÄ×ø±êΪ
£¬
µãµÄ×ø±êΪ
£¬
£¬
ÓÉ£¬µÃ
£¬
ÓÉ£¬µÃ
£¬
£¬
µÃ£®
µ±Ê±£¬
È¡×î´óֵΪ
£®
ͼ4
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿Ñ§Ð£ÓëͼÊé¹ÝÔÚͬһÌõ±ÊÖ±µÀ·ÉÏ£¬¼×´ÓѧУȥͼÊé¹Ý£¬ÒÒ´ÓͼÊé¹Ý»ØѧУ£¬¼×¡¢ÒÒÁ½È˶¼ÔÈËÙ²½ÐÐÇÒͬʱ³ö·¢£¬ÒÒÏȵ½´ïÄ¿µÄµØ£®Á½ÈËÖ®¼äµÄ¾àÀëy(Ã×)Óëʱ¼ät(·ÖÖÓ)Ö®¼äµÄº¯Êý¹ØϵÈçͼËùʾ£®Òһص½Ñ§Ð£ÓÃÁË______·ÖÖÓ£®
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿Èçͼ£¬¶þ´Îº¯ÊýµÄͼÏóÓë
Öá½»ÓÚµã
£¬ÓëxÖḺ°ëÖá½»ÓÚB£¬ÓëÕý°ëÖá½»ÓÚµã
£¬ÇÒ
£®
£¨1£©Çó¸Ã¶þ´Îº¯Êý½âÎöʽ£»
£¨2£©ÈôÊÇÏ߶Î
ÉÏÒ»¶¯µã£¬×÷
£¬½»
ÓÚµã
£¬Á¬½á
µ±
Ãæ»ý×î´óʱ£¬Çóµã
µÄ×ø±ê£»
£¨3£©ÈôµãΪ
ÖáÉÏ·½µÄÅ×ÎïÏßÉϵÄÒ»¸ö¶¯µã£¬Á¬½Ó
£¬ÉèËùµÃ
µÄÃæ»ýΪ
£®ÎÊ£ºÊÇ·ñ´æÔÚÒ»¸ö
µÄÖµ£¬Ê¹µÃÏàÓ¦µÄµã
ÓÐÇÒÖ»ÓÐ
¸ö£¬ÈôÓУ¬Çó³öÕâ¸ö
µÄÖµ£¬²¢Çó´Ëʱµã
µÄºá×ø±ê£»Èô²»´æÔÚ£¬Çë˵Ã÷ÀíÓÉ£®
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿Ä³É̳¡°´¶¨¼ÛÏúÊÛijÖÖÉÌƷʱ£¬Ã¿¼þ¿É»ñÀû100Ôª£»°´¶¨¼ÛµÄ°ËÕÛÏúÊÛ¸ÃÉÌÆ·5¼þÓ뽫¶¨¼Û½µµÍ50ÔªÏúÊÛ¸ÃÉÌÆ·6¼þËù»ñÀûÈóÏàµÈ.
(1)¸ÃÉÌÆ·½ø¼Û¡¢¶¨¼Û·Ö±ðÊǶàÉÙ£¿
(2)¸ÃÉ̳¡ÓÃ10000ÔªµÄ×ܽð¶î¹º½ø¸ÃÉÌÆ·£¬²¢ÔÚÎåÒ»½ÚÆÚ¼äÒÔ¶¨¼ÛµÄÆßÕÛÓÅ»ÝÈ«²¿ÊÛ³ö£¬ÔÚÿÊÛ³öÒ»¼þ¸ÃÉÌƷʱ£¬¾ù¾èÏ×Ôª¸øÉç»á¸£ÀûÊÂÒµ£¬¸ÃÉ̳¡ÎªÄÜ»ñµÃ²»µÍÓÚ3000ÔªµÄÀûÈó£¬Çó
µÄ×î´óÖµ.
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿ÔÚÿ¸öСÕý·½Ðεı߳¤ÎªµÄÍø¸ñͼÐÎÖУ¬Ã¿¸öСÕý·½ÐεĶ¥µã³ÆΪ¸ñµã£®´ÓÒ»¸ö¸ñµãÒƶ¯µ½ÓëÖ®Ïà¾à
µÄÁíÒ»¸ö¸ñµãµÄÔ˶¯³ÆΪһ´ÎÌøÂí±ä»»£®ÀýÈ磬ÔÚ
µÄÕý·½ÐÎÍø¸ñͼÐÎÖУ¨Èçͼ1£©£¬´Óµã
¾¹ýÒ»´ÎÌøÂí±ä»»¿ÉÒÔµ½´ïµã
£¬
£¬
£¬
µÈ´¦ÏÖÓÐ
µÄÕý·½ÐÎÍø¸ñͼÐΣ¨Èçͼ2£©£¬Ôò´Ó¸ÃÕý·½ÐεĶ¥µã
¾¹ýÌøÂí±ä»»µ½´ïÓëÆäÏà¶ÔµÄ¶¥µã
£¬×îÉÙÐèÒªÌøÂí±ä»»µÄ´ÎÊýÊÇ£¨ £©
A.B.
C.
D.
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿Èçͼ£¬Ä³½¨ÖþÎïBC¶¥²¿ÓÐÒ»Æì¸ËAB£¬ÇÒµãA¡¢B¡¢CÔÚͬһÌõÖ±ÏßÉÏ£¬Ð¡ºìÔÚD´¦¹Û²âÆì¸Ë¶¥²¿AµÄÑö½ÇΪ47¡ã£¬¹Û²âÆì¸Ëµ×²¿BµÄÑö½ÇΪ42¡ãÒÑÖªµãDµ½µØÃæµÄ¾àÀëDEΪ1.56m£¬EC=21m£¬ÇóÆì¸ËABµÄ¸ß¶ÈºÍ½¨ÖþÎïBCµÄ¸ß¶È£¨½á¹û¾«È·µ½0.1m£©£®²Î¿¼Êý¾Ý£ºsin47¡ã¡Ö0.73£¬cos47¡ã¡Ö0.68£¬tan47¡ã¡Ö1.07£¬sin42¡ã¡Ö0.67£¬cos42¡ã¡Ö0.74£¬tan42¡ã¡Ö0.90£®
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿Èçͼ£¬AB¡ÎCD£¬AB=CD£¬µãE¡¢FÔÚBCÉÏ£¬ÇÒBE=CF£®
£¨1£©ÇóÖ¤£º¡÷ABE¡Õ¡÷DCF£»
£¨2£©ÊÔÖ¤Ã÷£ºÒÔA¡¢F¡¢D¡¢EΪ¶¥µãµÄËıßÐÎÊÇƽÐÐËıßÐΣ®
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿Èçͼ£¬¾ØÐÎABCDÖУ¬¶Ô½ÇÏßAC¡¢BD½»ÓÚµãO£¬µãEÊÇBCÉÏÒ»µã£¬ÇÒAB£½BE£¬¡Ï1£½15¡ã£¬Ôò¡Ï2µÄ¶ÈÊýÊÇ£¨¡¡¡¡£©
A.25¡ãB.30¡ãC.35¡ãD.15¡ã
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿ÔÚÒ»¸ö²»Í¸Ã÷µÄ´ü×ÓÀï×°ÓжÀÁ¢°ü×°µÄ¿ÚÕÖ£¬ÆäÖзÛÉ«¿ÚÕÖÓÐ3¸ö¡¢À¶É«¿ÚÕÖÓÐ2¸ö£¬ÕâЩ¿ÚÕÖ³ýÁËÑÕÉ«ÍâÈ«²¿Ïàͬ£¬´ÓÖÐËæ»úÒÀ´Î²»·Å»ØÄóöÁ½¸ö¿ÚÕÖ£¬ÔòÁ½¸ö¿ÚÕÖ¶¼ÊÇ·ÛÉ«µÄ¸ÅÂÊÊÇ__________£®
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com