1
鍦嗛敟鏇茬嚎鐨勭蹇冪巼娴嬭瘯
1
锛庡凡鐭ュ弻鏇茬嚎浠ユ鏂瑰舰鐨勫瑙掔嚎鐨勪袱涓《鐐逛负鐒︾偣锛屼笖缁忚繃姝ｆ柟褰㈢殑鍥涙潯杈圭殑涓偣锛屽垯鍙屾洸绾跨殑绂诲績鐜?
涓?/p>
銆?/p>
3
锛庢き鍦?
1
2
2
2
2
2
飥?/p>
飥?/p>
n
y
m
x
鍜屽弻鏇茬嚎
1
2
2
2
2
2
飥?/p>
飥?/p>
n
y
m
x
鏈夊叕鍏辩劍鐐癸紝鍒欐き鍦嗙殑绂诲績鐜囨槸
锛?/p>
锛?/p>
A
锛?/p>
2
3
锛紟
3
15
锛ｏ紟
4
6
锛わ紟
6
30
4
锛庡鍥撅紝姝ｅ叚杈瑰舰
ABCDEF
鐨勯《鐐?/p>
A
銆?/p>
D
涓轰竴妞渾鐨勪袱涓劍鐐癸紝
鍏朵綑鍥涗釜椤剁偣
B
銆?/p>
C
銆?/p>
E
銆?/p>
F
鍧囧湪妞渾涓婏紝姹傛き鍦嗙殑绂诲績鐜?/p>
5
锛庢き鍦嗙殑鐒︾偣涓?/p>
F
1
銆?/p>
F
2
锛岃繃
F
1
浣滅洿绾夸笌妞渾鐩镐氦锛岃妞渾鎴緱鐨勬渶鐭?/p>
鐨勭嚎娈?/p>
MN
闀夸负
5
32
锛屸柍
M
F
2
N
鐨勫懆闀?/p>
涓?/p>
20
锛屽垯妞渾鐨勭蹇冪巼涓?/p>
銆?/p>
6
锛庤嫢妞渾
1
2
2
2
2
飥?/p>
飥?/p>
b
y
a
x
(
a
锛?/p>
b
锛?/p>
0)
鐨勫乏銆佸彸鐒︾偣鍒嗗埆涓?/p>
F
1
銆?/p>
F
2
锛岀嚎娈?/p>
F
1
F
2
琚姏鐗╃嚎
y
2
=2bx
鐨勭劍鐐瑰垎鎴?/p>
5
锛?/p>
3
鐨勪袱娈碉紝鍒欐き鍦?/p>
鐨勭蹇冪巼涓?/p>
銆?/p>
8.
妞渾
1
2
2
2
2
飥?/p>
飥?/p>
b
y
a
x
锛?/p>
a>b>0
锛夊拰鍦?/p>
x
2
锛?/p>
y
2
=(
c
b
飥?/p>
2
)
2
鏈夊洓涓氦鐐癸紝鍏朵腑
c
2
=a
2
锛?/p>
b
2
,
鍒?/p>
e
鐨勫彇鍊艰寖鍥?/p>
9
锛庢き鍦嗕腑蹇冨湪鍧愭爣鍘熺偣锛岀劍鐐瑰湪
x
杞翠笂锛岃繃妞渾宸︾劍鐐?/p>
F
1
鐨勭洿绾夸氦妞渾浜?/p>
P
銆?/p>
Q
涓ょ偣锛屼笖
OP
鈯?/p>
OQ
锛屾眰妞渾
鐨勭蹇冪巼
e
鐨勫彇鍊艰寖鍥?/p>
10
锛庡凡鐭ョ偣
F
鏄弻鏇茬嚎
飥?/p>
飥?/p>
0
,
0
1
2
2
2
2
飥?/p>
飥?/p>
飥?/p>
飥?/p>
b
a
b
y
a
x
鐨勫乏鐒︾偣锛岀偣
E
鏄鍙屾洸绾跨殑鍙抽《鐐癸紝杩?/p>
F
涓斿瀭鐩翠簬
x
杞寸殑
鐩寸嚎涓庡弻鏇茬嚎浜や簬
A
銆?/p>
B
涓ょ偣锛岃嫢鈻?/p>
ABE
鏄攼瑙掍笁瑙掑舰锛屽垯璇ュ弻鏇茬嚎鐨勭蹇冪巼鐨勫彇鍊艰寖鍥存槸
_
銆?/p>
11
锛?/p>
鍙屾洸绾胯櫄杞寸殑涓�涓鐐逛负
M
锛?/p>
涓や釜鐒︾偣涓?/p>
F
1
銆?/p>
F
2
锛?/p>
鈭?/p>
F
1
MF
2
=120
掳锛?/p>
鍒欏弻鏇茬嚎鐨勭蹇冪巼涓?/p>
______________
銆?/p>
12.
宸茬煡鐐?/p>
P
鍦ㄥ弻鏇茬嚎
)
0
,
0
(
1
2
2
2
2
飥?/p>
飥?/p>
飥?/p>
飥?/p>
b
a
b
y
a
x
鐨勫彸鏀笂锛?/p>
鍙屾洸绾夸袱鐒︾偣涓?/p>
2
1
F
F
銆?/p>
锛?/p>
|
PF
|
|
PF
|
2
2
1
鏈�灏忓�兼槸
a
8
锛?
姹傚弻鏇茬嚎绂诲績鐜囩殑鍙栧�艰寖鍥?/p>
銆?/p>
13
锛庡凡鐭ュ弻鏇茬嚎涓績鍦ㄥ師鐐逛笖涓�涓劍鐐逛负
涓庡叾鐩镐氦浜?/p>
鐩寸嚎
1
),
0
,
7
(
飥?/p>
飥?/p>
x
y
F
M
銆?/p>
N
涓ょ偣锛?/p>
MN
涓偣鐨勬í鍧愭爣
B C
F E
A D