绮惧搧
K12
鏁欒偛鏁欏璧勬枡
绮惧搧
K12
鏁欒偛鏁欏璧勬枡
3.2.1-3.2.2
瀵兼暟鐨勬蹇?/p>
瀵兼暟鐨勫嚑浣曟剰涔?/p>
[
鍩虹杈炬爣
]
1.
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澶勫瓨鍦ㄥ鏁帮紝鍒?/p>
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h
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锛?
h
(
)
A
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x
0
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h
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B
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x
0
鏈夊叧锛岃�屼笌
h
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C
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D
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B.
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2.
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2
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澶勭殑鍒囩嚎鐨勫�炬枩瑙掍负
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P
鐨勫潗鏍囦负
(
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A.
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B.
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C.
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4
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1
8
D.
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1
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B.
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3.
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5
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8
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(5)
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(
)
A
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3
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3
B
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3
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C
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D
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B.
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2
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(
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A
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1
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P
0
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(
)
A
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0)
B
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0)
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(
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1
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4)
C
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D
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B.
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0
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0
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0)
鎴?/p>
(
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1
锛岋紞
4)
锛?/p>