2019
灞婃柊璇炬爣
1
锛堟渤鍗椼�佹渤鍖椼�佸北瑗裤�佹睙瑗?/p>
锛夐珮鑰冨帇杞村嵎
鏁板鐞嗚瘯棰?/p>
鏈瘯鍗峰垎绗?/p>
I
鍗峰拰绗?/p>
II
鍗蜂袱閮ㄥ垎锛庣
I
鍗?/p>
1
鑷?/p>
3
椤碉紝绗?/p>
II
鍗?/p>
4
鑷?/p>
6
椤碉紝婊″垎
150
锛?/p>
鑰冪敓娉ㄦ剰锛?/p>
1
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2
锛庣
I
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2B
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骞插噣鍚庯紝鍐嶉�夋秱鍏朵粬绛旀鏍囧彿锛庣
II
鍗风敤
0.5
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浣滅瓟锛岀瓟妗堟棤鏁堬紟
3
锛庤�冭瘯缁撴潫锛岀洃鑰冨憳灏嗚瘯棰樺嵎鍜岀瓟棰樺崱涓�骞朵氦鍥?/p>
锛?/p>
涓�銆侀�夋嫨棰橈紙鏈ぇ棰樺叡
12
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60
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.
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瑕佹眰鐨勶級
1.
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飦?/p>
飦?/p>
飦?/p>
飦?
1
,
ln(
2)
A
x
x
B
x
y
x
飥?/p>
飩?/p>
飥?/p>
飥?/p>
飥?/p>
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鍒?/p>
R
A
C
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A
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2
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2.
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1
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鎵�瀵瑰簲鐨勭偣浣嶄簬
(
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A
锛夌涓�璞￠檺
锛?/p>
B
锛夌浜岃薄闄?/p>
锛?/p>
C
锛夌涓夎薄闄?/p>
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D
锛夌鍥涜薄闄?/p>
3.
宸茬煡鍑芥暟
f
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x
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(
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A
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=
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x
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锛?/p>
x
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=
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C
锛?/p>
f
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x
锛?/p>
=
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x
3
D
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f
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x
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=
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x
3
4.
宸茬煡鍙屾洸绾?/p>
c
锛?/p>
=1
锛?/p>
a
锛?/p>
b
锛?/p>
0
锛?/p>
锛屼互鍙崇劍鐐?/p>
F
涓哄渾蹇冿紝
|OF|
涓哄崐寰勭殑鍦嗕氦鍙屾洸绾夸袱娓愯繎绾夸簬鐐?/p>
M
銆?/p>
N
锛堝紓浜庡師鐐?/p>
O
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锛岃嫢
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a
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C
鐨勭蹇冪巼鏄?/p>
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A
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B
锛?
C
锛?/p>
2
D
锛?
5.
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