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1
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0
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1
锛?/p>
(2011路
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x
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y
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/
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2
3
5
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26
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54
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y
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a
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6
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(
)
锛?/p>
A
锛?/p>
63.6
涓囧厓
B
锛?/p>
65.5
涓囧厓
C
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67.7
涓囧厓
D
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72.0
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x
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2
锛?/p>
3
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5
4
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7
2
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49
锛?/p>
26
锛?/p>
39
锛?/p>
54
4
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42
锛?/p>
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^
锛?/p>
b
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x
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a
^
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x
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锛?/p>
y
锛?/p>
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锛屸埓
42
锛?/p>
7
2
脳
9.4
锛?/p>
a
^
锛屸埓
a
^
锛?/p>
9.1.
鈭寸嚎鎬у洖褰掓柟绋嬩负
y
^
锛?/p>
9.4
x
锛?/p>
9.1.
鈭村綋
x
锛?/p>
6
鏃讹紝
y
^
锛?/p>
9.4
脳
6
锛?/p>
9.1
锛?/p>
65.5(
涓囧厓
)
锛?/p>
绛旀
B