1
娲婚〉浣滀笟
(
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涓嶇瓑寮忕殑搴旂敤
涓�銆侀�夋嫨棰?/p>
1
锛庢煇鍟嗗満涓鍓?/p>
30
澶╂湀楗奸攢鍞�婚噺
f
(
t
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涓庢椂闂?/p>
t
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t
鈮?0)鐨勫叧绯诲ぇ鑷存弧瓒?/p>
f
(
t
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锛?
t
2
锛?/p>
10
t
锛?/p>
16
锛屽垯璇ュ晢鍦哄墠
t
澶╁钩鍧囧敭鍑?/p>
飪?
飪?/p>
飪?/p>
飪?
飪?/p>
飪?/p>
濡傚墠
10
澶╃殑骞冲潎鍞嚭涓?
f
10
鐨勬湀楗兼渶灏戜负
(
)
A
锛?/p>
18
B
锛?/p>
27
C
锛?/p>
20
D
锛?/p>
16
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骞冲潎閿�鍞噺
y
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f
t
t
锛?/p>
t
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锛?/p>
10
t
锛?/p>
16
t
锛?/p>
t
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16
t
锛?0鈮?
8
锛?/p>
褰撲笖浠呭綋
t
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16
t
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t
锛?/p>
4
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[1,30]
鏃剁瓑鍙锋垚绔嬶紝
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2
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a
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0
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b
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(
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A
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B
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C
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D
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瑙ｆ瀽锛?/p>
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s
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t
1
锛?/p>
s
a
锛屼笅鍧℃椂闂?/p>
t
2
锛?/p>
s
b
锛?/p>
骞冲潎閫熷害涓?/p>
v
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2
s
t
1
锛?/p>
t
2
锛?/p>
2
s
s
a
锛?/p>
s
b
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2
1
a
锛?
1
b
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a
锛?/p>
b
2
.
绛旀锛?/p>
B
3
锛庢煇杞﹂棿鍒嗘壒鐢熶骇鏌愮浜у搧锛屾瘡鎵逛骇鍝佺殑鐢熶骇鍑嗗璐圭敤涓?/p>
800
鍏冿紝鑻ユ瘡鎵圭敓浜?/p>
x
浠讹紝
鍒欏钩鍧囦粨鍌ㄦ椂闂翠负
x
8
澶╋紝涓旀瘡浠朵骇鍝佹瘡澶╃殑浠撳偍璐圭敤涓?/p>
1
鍏冿紟涓轰娇骞冲潎鍒版瘡浠朵骇鍝佺殑鐢熶骇鍑?
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(
)
A
锛?/p>
60
浠?/p>
B
锛?/p>
80
浠?/p>
C
锛?/p>
100
浠?/p>
D
锛?/p>
120
浠?/p>
瑙ｆ瀽锛?/p>
鑻ユ瘡鎵圭敓浜?/p>
x
浠朵骇鍝侊紝鍒欐瘡浠朵骇鍝佺殑鐢熶骇鍑嗗璐圭敤鏄?/p>
800
x
鍏冿紝浠撳偍璐圭敤鏄?/p>
x
8
鍏冿紝鎬?
鐨勮垂鐢ㄦ槸
800
x
锛?/p>
x
8
鈮?/p>