鍥涘窛鐪佹鑳滅儓闈腑瀛︽牎
2018-2019
瀛﹀勾楂樹竴鏁板涓嬪鏈熺涓�娆℃湀鑰冭瘯
棰?/p>
涓�銆侀�夋嫨棰橈細鏈ぇ棰樺叡
12
灏忛锛屾瘡灏忛
5
鍒嗭紝鍏?/p>
60
鍒嗐�傚湪姣忓皬棰樼粰鍑虹殑鍥涗釜閫夐」涓紝鍙湁
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1
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鐨勫�兼槸
A
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B
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C
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D
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2.
2
3
飥?/p>
涓?/p>
2
3
飥?/p>
鐨勭瓑姣斾腑椤圭瓑浜庯紙
锛?/p>
A
锛?/p>
1
飩?/p>
B
锛?/p>
1 C
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2
飩?/p>
D
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2
3.
6
2
cos
sin
飥?
飥?/p>
飦?/p>
飦?/p>
鑻?/p>
锛屽垯
飦?/p>
2
sin
鐨勫�间负锛?/p>
锛?/p>
A
锛?/p>
B
锛?
C
锛?
D
锛?
4
銆佸湪绛夊樊鏁板垪
飦?/p>
飦?/p>
n
a
涓紝
7
9
4
16,
1
a
a
a
飥?/p>
飥?/p>
飥?/p>
锛屽垯
12
a
鐨勫�兼槸
( )
A.
30
B.
15
C.
31
D
锛?/p>
64
5
锛庡湪
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A
锛?/p>
B
锛?/p>
C
鐨勫杈瑰垎鍒槸杈?/p>
a
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b
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c
锛岃嫢
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6
5
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A
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6 C
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7 D
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8
6
锛庡湪
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,
,
,
,
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涓猴紙
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A
锛?
鎴?
B
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C
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鎴?
D
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7
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}
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1
4
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2
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(
)
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2 B
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1 C.
1
2
D.
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8
8
銆佺瓑宸暟鍒?/p>
{
a
n
}
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m
椤瑰拰涓?/p>
30
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2
m
椤瑰拰涓?/p>
100
锛屽垯瀹冪殑鍓?/p>
3
m
椤瑰拰涓猴紙
锛?/p>
A
锛?/p>
240 B
锛?/p>
230 C. 220 D
锛?/p>
210
9
銆佸湪
ABC
飦?/p>
涓紝瑙?/p>
A
銆?/p>
B
銆?/p>
C
鎵�瀵圭殑杈瑰垎鍒负
,
,
a
b
c
锛屽凡鐭?/p>
飩?/p>
飥?/p>
飥?/p>
飥?/p>
60
,
7
,
2
B
b
a
锛庡垯
ABC
飦?/p>
鐨勯潰绉负锛?/p>
锛?/p>