2019
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涓�銆侀�夋嫨棰橈細锛堟湰澶ч鍏?/p>
6
棰橈紝姣忛
4
鍒嗭紝婊″垎
24
鍒嗭級銆愪笅鍒楀悇棰樼殑鍥涗釜閫夐」涓紝鏈変笖鍙?/p>
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1
锛庯紙
4
鍒嗭級涓嬪垪鍚勬暟涓嶆槸
4
鐨勫洜鏁版槸锛?/p>
锛?/p>
A
锛?/p>
1
B
锛?/p>
2
C
锛?/p>
3
D
锛?/p>
4
2
锛庯紙
4
鍒嗭級濡傛灉鍒嗗紡
鏈夋剰涔夛紝鍒?/p>
x
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y
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锛?/p>
A
锛?/p>
x
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y
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锛?/p>
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y
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锛?/p>
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y
3
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4
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y
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2
x
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7
涓嶇粡杩囷紙
锛?/p>
A
锛庣涓�璞￠檺
B
锛庣浜岃薄闄?/p>
C
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D
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4
锛庯紙
4
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鏂瑰樊鍒嗗埆涓?/p>
0.85
銆?/p>
1.23
銆?/p>
5.01
銆?/p>
3.46
锛岄偅涔堣繖鍥涗綅杩愬姩鍛樹腑锛屽彂鎸ヨ緝绋冲畾鐨勬槸锛?/p>
锛?/p>
A
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5
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4
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锛?/p>
锛?/p>
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1
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2
涓?/p>
C
锛?/p>
3
涓?/p>
D
锛?/p>
4
涓?/p>
6
锛庯紙
4
鍒嗭級宸茬煡鍦ㄥ洓杈瑰舰
ABCD
涓紝
AD
鈭?/p>
BC
锛屽瑙掔嚎
AC
涓?/p>
BD
鐩镐氦浜庣偣
O
锛?/p>
AO
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CO
锛?/p>
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锛?/p>
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DO
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锛?/p>
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C
锛?/p>
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锛?/p>
CD
D
锛?/p>
AB
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CD
浜屻�佸～绌洪锛氾紙鏈ぇ棰樺叡
12
棰橈紝姣忛
4
鍒嗭紝婊″垎
48
鍒嗭級
7
锛庯紙
4
鍒嗭級
鐨勭浉鍙嶆暟鏄?/p>
锛?/p>
8
锛庯紙
4
鍒嗭級鍒嗚В鍥犲紡锛?/p>
a
2
锕?/p>
2
ab
+
b
2
锕?/p>
4
锛?/p>
锛?/p>
9
锛庯紙
4
鍒嗭級宸茬煡鍑芥暟
f
锛?/p>
x
锛夛紳
锛岄偅涔?/p>
f
锛堬梗
2
锛夛紳
锛?/p>
10
锛庯紙
4
鍒嗭級濡傛灉鍏充簬
x
鐨勬柟绋?/p>
x
2
+2
x
+
m
锛?/p>
0
鏈変袱涓疄鏁版牴锛岄偅涔?/p>
m
鐨勫彇鍊艰寖鍥存槸
锛?/p>
11
锛庯紙
4
鍒嗭級宸茬煡涓�涓澶氳竟褰㈢殑涓績瑙掍负
30
搴︼紝杈归暱涓?/p>
x
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x
锛?/p>
0
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y
鍘樼背锛?/p>
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y
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x
鐨勫嚱鏁拌В鏋愬紡涓?/p>
锛?/p>
12
锛庯紙
4
鍒嗭級浠?/p>
1
銆?/p>
2
銆?/p>
3
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涓�涓暟锛岃繖涓暟鎭板ソ鏄伓鏁扮殑姒傜巼鏄?/p>
锛?/p>
13
锛庯紙
4
鍒嗭級鍦ㄥ洓杈瑰舰
ABCD
涓紝鍚戦噺
銆?
婊¤冻
锛岄偅涔堢嚎娈?/p>
AB
涓?/p>
CD
鐨勪綅缃?
鍏崇郴鏄?/p>
锛?/p>