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2015
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涓�銆侀�夋嫨棰橈紙鏈ぇ棰樺叡
12
灏忛锛屾瘡灏忛
5
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鍚堥鐩姹傜殑锛?/p>
1
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R
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A={x|0
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x
锛?/p>
2}
锛?/p>
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鈭?/p>
z|x
2
+4
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5x}
锛屽垯锛?/p>
鈭?/p>
R
A
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鈭?/p>
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x
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3}
B
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{2
锛?/p>
3
锛?/p>
4}
C
锛?/p>
{1
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2
锛?/p>
3
锛?/p>
4}
D
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x
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4}
2
锛庡凡鐭?/p>
a
鏄疄鏁帮紝鑻ュ鏁?/p>
锛?/p>
i
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a
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(
)
A
锛?/p>
1
B
锛?
C
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1
D
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3
锛庡凡鐭?/p>
锛?
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|
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鐨勫厖瑕佹潯浠舵槸
(
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A
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B
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C
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D
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4
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f
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x
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=2
x
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1
鐨勯浂鐐逛釜鏁颁负
(
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A
锛?/p>
1
B
锛?/p>
2
C
锛?/p>
3
D
锛?/p>
4
5
锛庡鍥撅紝濡傛灉杈撳叆
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n
鍊间负
(
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A
锛?/p>
2
B
锛?/p>
4
C
锛?/p>
3
D
锛?/p>
5
6
锛庡凡鐭?/p>
a
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b
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c
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尾
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=c
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a
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b
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c
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a
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b
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鈶?/p>
鑻?/p>
a
鈭?/p>
b
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c
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鈶?/p>
鑻?/p>
a
鈯?/p>
b
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a
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c
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尾
锛涘叾涓纭殑鍛介鐨勪釜鏁版槸
(
)
A
锛?/p>
0
B
锛?/p>
1
C
锛?/p>
2
D
锛?/p>
3