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閮ㄧ紪鏈瘯棰橈紝娆㈣繋涓嬭浇锛?/p>
浜屾鍑芥暟
鏈珷鎬荤粨鎻愬崌
闂
1
浜屾鍑芥暟鐨勫浘鍍忓拰鎬ц川
浜屾鍑芥暟鐨勫浘鍍忔槸鎶涚墿绾匡紝瀹冪洿瑙傚湴鎻ず浜嗕簩娆″嚱鏁扮殑鎬ц川锛屼綘鑳芥牴鎹簩娆″嚱鏁?/p>
y
锛?/p>
ax
2
锛?/p>
bx
锛?/p>
c
鐨勫浘鍍忕殑寮鍙f柟鍚戙佸绉拌酱鍜岄《鐐逛綅缃紝璇村嚭浜屾鍑芥暟
y
锛?/p>
ax
2
锛?/p>
bx
锛?/p>
c
鐨勬ц川鍚楋紵
渚?/p>
1 2018路鏋e簞濡傚浘
5
锛?/p>
T
锛?/p>
1
鏄簩娆″嚱鏁?/p>
y
锛?/p>
ax
2
锛?/p>
bx
锛?/p>
c
鍥惧儚鐨勪竴閮ㄥ垎锛屼笖杩囩偣
A
(3
锛?/p>
0)
锛?/p>
浜屾鍑芥暟鍥惧儚鐨勫绉拌酱鏄洿绾?/p>
x
锛?/p>
1.
涓嬪垪缁撹锛屾纭殑鏄?/p>
(
)
鍥?/p>
5
锛?/p>
T
锛?/p>
1
A
锛?/p>
b
2
<4
ac
B
锛?/p>
ac
>0
C
锛?/p>
2
a
锛?/p>
b
锛?/p>
0
D
锛?/p>
a
锛?/p>
b
锛?/p>
c
锛?/p>
0
銆愬綊绾虫荤粨銆?/p>
浜屾鍑芥暟
y
锛?/p>
ax
2
锛?/p>
bx
锛?/p>
c
鐨勫浘鍍忎笌绯绘暟鐨勫叧绯?/p>
椤圭洰
瀛楁瘝
瀛楁瘝鐨勭鍙?/p>
鍥惧儚鐨勭壒寰?/p>
a
a
>0
寮鍙e悜涓?/p>
a
<0
寮鍙e悜涓?/p>
b
b
锛?/p>
0
瀵圭О杞翠负
y
杞?/p>
ab
>0(
b
涓?/p>
a
鍚屽彿
)
瀵圭О杞村湪
y
杞村乏渚?/p>
ab
<0(
b
涓?/p>
a
寮傚彿
)
瀵圭О杞村湪
y
杞村彸渚?/p>
c
c
锛?/p>
0
缁忚繃鍘熺偣
c
>0
涓?/p>
y
杞存鍗婅酱鐩镐氦
c
<0
涓?/p>
y
杞磋礋鍗婅酱鐩镐氦
b
2
锛?/p>
4ac
b
2
锛?/p>
4
ac
锛?/p>
0
涓?/p>
x
杞存湁鍞竴浜ょ偣
(
椤剁偣
)
b
2
锛?/p>
4
ac
>0
涓?/p>
x
杞存湁涓や釜涓嶅悓鐨勪氦鐐?/p>