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1
2017
骞撮噸鐐逛腑瀛﹀叓骞寸骇涓嬪鏈熸暟瀛︽湡鏈啿鍒鸿瘯鍗蜂袱濂楁眹
缂栧叚鍐呴檮绛旀瑙ｆ瀽
鍏勾绾э紙涓嬶級鏈熸湯鏁板璇曞嵎
涓�銆侀�夋嫨棰橈紙鏈ぇ棰樺叡
6
棰橈紝姣忛
3
鍒嗭紝婊″垎
18
鍒嗭級
1
锛庝笅鍒楄娉曟纭殑鏄紙
锛?/p>
A
锛?/p>
x
2
锕?/p>
x=0
鏄簩椤规柟绋?/p>
B
锛?/p>
鏄垎寮忔柟绋?/p>
C
锛?
鏄棤鐞嗘柟绋?/p>
D
锛?/p>
2x
2
锕?/p>
y=4
鏄簩鍏冧簩娆℃柟绋?/p>
2
锛庝笅鍒楀叧浜?/p>
x
鐨勬柟绋嬩竴瀹氭湁瀹炴暟鏍圭殑鏄紙
锛?/p>
A
锛?/p>
ax
锕?/p>
1=0
B
锛?/p>
ax
2
锕?/p>
1=0
C
锛?/p>
x
锕?/p>
a=0
D
锛?/p>
x
2
锕?/p>
a=0
3
锛庡洓杈瑰舰
ABCD
涓紝鈭?/p>
A=
鈭?/p>
B=
鈭燙=90掳锛屼笅鍒楁潯浠惰兘浣胯繖涓洓杈瑰舰鏄鏂瑰舰鐨勬槸锛?/p>
锛?/p>
A
锛庘垹D=90掳
B
锛?/p>
AB=CD
C
锛?/p>
BC=CD
D
锛?/p>
AC=BD
4
锛?/p>
濡傚浘锛?/p>
姊舰
ABCD
涓紝
AD
鈭?/p>
BC
锛?/p>
DE
鈭?/p>
AB
浜?/p>
BC
杈逛簬鐐?/p>
E
锛?/p>
閭ｄ箞涓嬪垪浜嬩欢涓睘浜庨殢鏈轰簨浠剁殑鏄?/p>
锛?/p>
锛?/p>
A
锛?/p>
=
B
锛?/p>
=
C
锛?/p>
=
D
锛?/p>
=
5
锛庤嫢
鏄潪闆跺悜閲忥紝鍒欎笅鍒楃瓑寮忔纭殑鏄紙
锛?/p>
A
锛?/p>
|
|=|
|
B
锛?/p>
|
|+|
|=0 C
锛?
+
=0
D
锛?
=
6
锛庡鍥捐薄涓墍鍙嶆槧鐨勮繃绋嬫槸锛氬紶寮轰粠瀹惰窇姝ュ幓浣撹偛鍦猴紝鍦ㄩ偅閲岄敾鐐间簡涓�闃靛悗锛屽張鍘绘棭椁愬簵鍚冩棭椁愶紝
鐒跺悗鏁ｆ璧板洖瀹讹紝鍏朵腑
x
琛ㄧず鏃堕棿锛?/p>
y
琛ㄧず寮犲己绂诲鐨勮窛绂伙紟鏍规嵁鍥捐薄鎻愪緵鐨勪俊鎭紝浠ヤ笅鍥涗釜璇存硶
閿欒鐨勬槸锛?/p>
锛?/p>
A
锛庝綋鑲插満绂诲紶寮哄
3.5
鍗冪背
B
锛庡紶寮哄湪浣撹偛鍦洪敾鐐间簡
15
鍒嗛挓
C
锛庝綋鑲插満绂绘棭椁愬簵
1.5
鍗冪背
