鏁板锛堢悊绉戯級璇曢
A
绗?/p>
1
椤?/p>
鍏?/p>
10
椤?/p>
2018
灞婂箍宸炲競楂樹笁骞寸骇璋冪爺娴嬭瘯
鐞嗙鏁板璇曢绛旀鍙婅瘎鍒嗗弬鑰?/p>
璇勫垎璇存槑
:
1
锛庢湰瑙ｇ瓟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娉曚笌鏈В绛斾笉鍚岋紝鍙牴鎹瘯棰樼殑涓昏鑰冩煡鍐?/p>
瀹规瘮鐓ц瘎鍒嗗弬鑰冨埗璁㈢浉搴旂殑璇勫垎缁嗗垯锛?/p>
2
锛庡璁＄畻棰橈紝褰撹冪敓鐨勮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瓟鏈敼鍙樿棰樼殑鍐呭鍜岄毦搴︼紝
鍙褰卞搷鐨勭▼搴﹀喅瀹氬悗缁ч儴鍒嗙殑缁欏垎锛屼絾涓嶅緱瓒呰繃璇ラ儴鍒嗘纭В绛斿簲寰楀垎鏁扮殑涓鍗婏紱濡傛灉鍚庣户閮ㄥ垎鐨勮В绛?/p>
鏈夎緝涓ラ噸鐨勯敊璇紝灏变笉鍐嶇粰鍒嗭紟
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紟閫夋嫨棰樹笉缁欎腑闂村垎锛?/p>
涓锛庨夋嫨棰?/p>
棰樺彿
1
2
3
4
5
6
7
8
9
10
11
12
绛旀
A
C
B
B
A
A
D
D
B
A
C
C
浜岋紟濉┖棰?/p>
13
锛?/p>
10
14
锛?/p>
4
15
锛?/p>
4
16
锛?/p>
11
飦?/p>
涓夈佽В绛旈
17
锛庯紙
1
锛夎В娉?/p>
1
锛?/p>
鐢卞凡鐭ワ紝寰?/p>
cos
cos
2
cos
a
B
b
A
c
A
飥?/p>
飥?/p>
锛?/p>
鐢辨寮﹀畾鐞嗭紝寰?/p>
sin
cos
sin
cos
2sin
cos
A
B
B
A
C
A
飥?/p>
飥?/p>
锛屸︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹?/p>
1
鍒?/p>
鍗?/p>
sin(
)
2sin
cos
A
B
C
A
飥?/p>
飥?/p>
锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹?/p>
2
鍒?/p>
鍥犱负
sin(
)
sin(
)
sin
A
B
C
C
飦?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
锛屸︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹?/p>
3
鍒?/p>
鎵浠?/p>
sin
2sin
cos
C
C
A
飥?/p>
锛?/p>
鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹?/p>
4
鍒?/p>
鍥犱负
sin
0
C
飩?/p>
锛屾墍浠?/p>
1
cos
2
A
飥?/p>
锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹?/p>
5
鍒?/p>
鍥犱负
0
A
飥?/p>
飥?/p>
飦?/p>
锛屾墍浠?/p>
3
A
飦?
飥?
锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹?/p>
6
鍒?/p>
瑙ｆ硶
2
锛?/p>
鐢卞凡鐭ユ牴鎹綑寮﹀畾鐞嗭紝寰?/p>
飥?/p>
飥?/p>
2
2
2
2
2
2
2
2
2
a
c
b
b
c
a
a
c
b
ac
bc
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飩?/p>
飥?/p>
飥?/p>
飩?
锛庘︹︹︹︹︹︹︹?/p>
1
鍒?/p>
鍗?/p>
2
2
2
b
c
a
bc
飥?/p>
飥?/p>
飥?/p>
锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹?/p>
3
鍒?/p>
鎵浠?/p>
2
2
2
1
cos
2
2
b
c
a
A
bc
飥?/p>
飥?/p>
飥?/p>
飥?/p>
锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹?/p>
5
鍒?/p>