1
璇炬椂浣滀笟
55
鐩寸嚎涓庡渾閿ユ洸绾?/p>
[
鍩虹杈炬爣
]
1
锛庤繃妞渾
x
2
16
锛?/p>
y
2
4
锛?/p>
1
鍐呬竴鐐?/p>
P
(3,1)
锛屾眰琚繖鐐瑰钩鍒嗙殑寮︽墍鍦ㄧ洿绾挎柟绋嬶紟
瑙ｆ瀽锛?/p>
璁剧洿绾夸笌妞渾浜や簬
A
(
x
1
锛?/p>
y
1
)
銆?/p>
B
(
x
2
锛?/p>
y
2
)
涓ょ偣锛?/p>
鐢变簬
A
銆?/p>
B
涓ょ偣鍧囧湪妞渾涓婏紝
鏁?/p>
x
2
1
16
锛?/p>
y
2
1
4
锛?/p>
1
锛?/p>
x
2
2
16
锛?/p>
y
2
2
4
锛?/p>
1
锛?/p>
涓ゅ紡鐩稿噺寰?/p>
x
1
锛?/p>
x
2
x
1
锛?/p>
x
2
16
锛?
y
1
锛?/p>
y
2
y
1
锛?/p>
y
2
4
锛?/p>
0.
鍙堚埖
P
鏄?/p>
A
銆?/p>
B
鐨勪腑鐐癸紝鈭?/p>
x
1
锛?/p>
x
2
锛?/p>
6
锛?/p>
y
1
锛?/p>
y
2
锛?/p>
2
锛?/p>
鈭?/p>
k
AB
锛?
y
1
锛?/p>
y
2
x
1
锛?/p>
x
2
锛濓紞
3
4
.
鈭寸洿绾?/p>
AB
鐨勬柟绋嬩负
y
锛?/p>
1
锛濓紞
3
4
(
x
锛?/p>
3)
锛?/p>
鍗?/p>
3
x
锛?/p>
4
y
锛?/p>
13
锛?/p>
0.
2.
[2019路閮戝窞鍏ュ娴嬭瘯
]
宸茬煡妞渾
C
锛?/p>
x
2
a
2
锛?/p>
y
2
b
2
锛?/p>
1(
a
>
b
>0)
鐨勭蹇冪巼涓?/p>
3
2
锛屼互妞渾鐨勫洓涓《
鐐逛负椤剁偣鐨勫洓杈瑰舰鐨勯潰绉负
8.
(1)
姹傛き鍦?/p>
C
鐨勬柟绋嬶紱
(2)
濡傚浘锛屾枩鐜囦负
1
2
鐨勭洿绾?/p>
l
涓庢き鍦?/p>
C
浜や簬
A
锛?/p>
B
涓ょ偣锛岀偣
P
(2,1)
鍦ㄧ洿绾?/p>
l
鐨勫乏涓婃柟锛庤嫢
鈭?/p>
APB
锛?0掳锛屼笖鐩寸嚎
PA
锛?/p>
PB
鍒嗗埆涓?/p>
y
杞翠氦浜庣偣
M
锛?/p>
N
锛屾眰绾挎
MN
鐨勯暱搴︼紟
瑙ｆ瀽锛?/p>
(1)
鐢遍鎰忕煡
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
c
a
锛?/p>
3
2
锛?/p>
2
ab
锛?/p>
8
锛?
a
2
锛?/p>
b
2
锛?/p>
c
2
锛?
瑙ｅ緱
飪?
飪?/p>
飪?/p>
飪?/p>
飪?/p>
a
2
锛?/p>
8
锛?
b
2
锛?/p>
2.