1
涓撻
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1
锛庛�?/p>
2019
骞撮珮鑰冨叏鍥?/p>
鈪?/p>
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A
锛?/p>
B
鍏充簬鍧愭爣鍘熺偣
O
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鈹?/p>
AB
鈹?4
锛屸姍
M
杩囩偣
A
锛?/p>
B
涓斾笌鐩寸嚎
x
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锛?/p>
1
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A
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x
+
y
=0
涓婏紝姹傗姍
M
鐨勫崐寰勶紱
锛?/p>
2
锛夋槸鍚﹀瓨鍦ㄥ畾鐐?/p>
P
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A
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MA
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M
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2
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.
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1
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M
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,
A
B
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M
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AB
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.
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A
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+
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y
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,
A
B
鍏充簬鍧愭爣鍘熺偣
O
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M
鍦ㄧ洿绾?/p>
y
x
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a
a
.
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M
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|
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|
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2
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2
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锛屼娇寰?/p>
|
|
|
|
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x
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2
2
4
(
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飥?/p>
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|
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2019
骞撮珮鑰冨叏鍥?/p>
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鍗锋枃鏁般�戝凡鐭?/p>
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2
,
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2
2
2
2
:
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y
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b
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b
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鐨勪袱涓劍鐐癸紝
P
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C
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O
涓哄潗鏍囧師鐐癸紟
锛?/p>
1
锛夎嫢
2
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鈻?/p>
涓虹瓑杈逛笁瑙掑舰锛屾眰
C
鐨勭蹇冪巼锛?/p>
锛?/p>
2
锛夊鏋滃瓨鍦ㄧ偣
P
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1
2
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1
2
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鐨勯潰绉瓑浜?/p>
16
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鐨勫�煎拰
a
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