1
骞垮窞甯?/p>
2014
灞婇珮涓夊勾绾ц皟鐮旀祴璇?/p>
鏁板锛堢悊绉戯級璇曢鍙傝冪瓟妗堝強璇勫垎鏍囧噯
璇存槑锛?/p>
1
锛庡弬鑰冪瓟妗堝強璇勫垎鏍囧噯缁欏嚭浜嗕竴绉嶆垨鍑犵瑙ｆ硶渚涘弬鑰冿紝濡傛灉鑰冪敓鐨勮В娉曚笌鍙傝冪瓟妗堜笉鍚岋紝鍙牴
鎹瘮鐓ц瘎鍒嗘爣鍑嗙粰浠ョ浉搴旂殑鍒嗘暟锛?/p>
2
锛庡瑙ｇ瓟棰樹腑鐨勮绠楅锛屽綋鑰冪敓鐨勮В绛斿湪鏌愪竴姝ュ嚭鐜伴敊璇椂锛屽鏋滃悗缁ч儴鍒嗙殑瑙ｇ瓟鏈敼鍙樿棰?
鐨勫唴瀹瑰拰闅惧害锛屽彲瑙嗗奖鍝嶇殑绋嬪害鍐冲畾鍚庣户閮ㄥ垎鐨勫緱鍒嗭紝浣嗘墍缁欏垎鏁颁笉寰楄秴杩囪閮ㄥ垎姝ｇ‘瑙ｇ瓟
搴斿緱鍒嗘暟鐨勪竴鍗婏紱濡傛灉鍚庣户閮ㄥ垎鐨勮В绛旀湁杈冧弗閲嶇殑閿欒锛屽氨涓嶅啀缁欏垎锛?/p>
3
锛庤В绛斿彸绔墍娉ㄥ垎鏁帮紝琛ㄧず鑰冪敓姝ｇ‘鍋氬埌杩欎竴姝ュ簲寰楃殑绱姞鍒嗘暟锛?/p>
4
锛庡彧缁欐暣鏁板垎鏁帮紝閫夋嫨棰樺拰濉┖棰樹笉缁欎腑闂村垎锛?/p>
涓銆侀夋嫨棰橈細鏈ぇ棰樹富瑕佽冩煡鍩烘湰鐭ヨ瘑鍜屽熀鏈繍绠楋紟鍏?/p>
8
灏忛锛屾瘡灏忛
5
鍒嗭紝婊″垎
40
鍒嗭紟
浜屻佸～绌洪锛氭湰澶ч涓昏鑰冩煡鍩烘湰鐭ヨ瘑鍜屽熀鏈繍绠楋紟鏈ぇ棰樺叡
7
灏忛锛岃冪敓浣滅瓟
6
灏忛锛屾瘡灏忛
5
鍒嗭紝
婊″垎
30
鍒嗭紟鍏朵腑
14
锝?/p>
15
棰樻槸閫夊仛棰橈紝鑰冪敓鍙兘閫夊仛涓棰橈紟
涓夈佽В绛旈锛氭湰澶ч鍏?/p>
6
灏忛锛屾弧鍒?/p>
80
鍒嗭紟瑙ｇ瓟椤诲啓鍑烘枃瀛楄鏄庛佽瘉鏄庤繃绋嬪拰婕旂畻姝ラ锛?/p>
16
锛?/p>
锛堟湰灏忛婊″垎
12
鍒嗭級
瑙ｏ細
锛?/p>
1
锛夊湪鈻?/p>
ABC
涓紝
A
B
C
飦?/p>
飥?/p>
飥?/p>
飥?/p>
锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹?/p>
1
鍒?/p>
鎵浠?/p>
cos
cos
2
2
A
C
B
飦?/p>
飥?/p>
飥?/p>
飥?/p>
鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹?/p>
2
鍒?/p>
3
sin
2
3
B
飥?/p>
飥?/p>
锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹?/p>
3
鍒?/p>
鎵浠?/p>
2
cos
1
2sin
2
B
B
飥?/p>
飥?/p>
鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹?/p>
5
鍒?/p>
1
3
飥?/p>
锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹?/p>
7
鍒?/p>
锛?/p>
2
锛夊洜涓?/p>
3
a
飥?/p>
锛?/p>
2
2
b
飥?/p>
锛?/p>
1
cos
3
B
飥?/p>
锛?/p>
鐢变綑寮﹀畾鐞?/p>
2
2
2
2
cos
b
a
c
ac
B
飥?/p>
飥?/p>
飥?/p>
锛?/p>
鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹?/p>
9
鍒?/p>
寰?/p>
2
2
1
0
c
c
飥?/p>
飥?/p>
飥?/p>
锛?/p>
鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹?/p>
11
鍒?/p>
瑙ｅ緱
1
c
飥?/p>
锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹?/p>
12
鍒?/p>
棰樺彿
1
2
3
4
5
6
7
8
绛旀
D
C
A
D
A
B
C
A
棰樺彿
9
10
11
12
13
14
15
绛旀
3
4
1
3
飦?/p>
飥?/p>
0
1
,
飥?/p>
36
1
3
3
,
3
3
飪?/p>
飪?/p>
飥?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>