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2
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1.
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2.
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(
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.
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y
锛?/p>
f
(
x
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01
x
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x
0
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f
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x
0
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y
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f
(
x
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(
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0
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(
x
0
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k
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02
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y
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f
(
x
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(
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(
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澶勭殑鍒囩嚎鏂圭▼涓衡枴
03
y
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(
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锛?/p>
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2
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(1)
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(
a
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b
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01
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x
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y
锛?/p>
f
(
x
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02
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(
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f
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03
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04
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f
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05
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f
(
x
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06
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3
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(
x
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x
0
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01
f
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0
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0
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f
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x
)
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x
0
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02
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f
(
x
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x
0
澶?/p>
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03
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f
(
x
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x
0
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04
f
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x
0
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0
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f
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x
0
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05
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f
(
x
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x
0
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06
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4
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f
(
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[
a
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b
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(1)
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y
锛?/p>
f
(
x
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[
a
锛?/p>
b
]
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01
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y
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f
(
x
)
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02
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03
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04
f
(
a
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锛?/p>
f
(
b
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1
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渚?/p>
1
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f
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飪?/p>
x
2
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2
x
锛?/p>
x
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锛?/p>
x
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x
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0
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f
(
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)
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x
锛?/p>
2
澶勭殑鍒囩嚎鏂滅巼绛変簬
(
)
A
锛?/p>
6
B
锛庯紞
2
C
锛庯紞
6
D
锛庯紞
8
绛旀
B