1
G
C
A
D
B
E
M
瀹夊窘鐪?/p>
2001
骞存櫘閫氶珮涓悊绉戝疄楠岀彮鎷涚敓鑰冭瘯
鏁?/p>
瀛?/p>
璇?/p>
棰?/p>
锛堟湰鍗峰叡涓よ瘯锛屾弧鍒?/p>
150
鍒?/p>
绛旈鏃堕棿
120
鍒嗭級
棰樺彿
绗竴璇?/p>
绗簩璇?/p>
鎬诲垎
涓�
浜?/p>
涓?/p>
鍥?/p>
浜?/p>
鍏?/p>
涓?/p>
13
14
寰楀垎
鍙傝�冨叕寮忥細
(a+b)
3
=a
3
+3a
2
b+3ab
2
+b
3
锛?/p>
(a-b)
3
=a
3
-3a
2
b+3ab
2
-b
3
,
a
3
+b
3
= (a+b)(a
2
-ab+b
2
), a
3
-b
3
= (a-b)(a
2
+ab+b
2
).`
绗竴璇?/p>
涓�銆侀�夋嫨棰橈紙鏈鍏?/p>
4
灏忛锛屾瘡灏忛
5
鍒嗭紝婊″垎
20
鍒嗐�傛瘡灏忛鍧囩粰鍑轰簡浠ｅ彿涓?/p>
A
銆?/p>
B
銆?/p>
C
銆?/p>
D
鐨勫洓涓粨璁猴紝鍏朵腑鍙湁涓�涓槸姝ｇ‘鐨勶紝璇峰皢姝ｇ‘绛旀鐨勪唬鍙峰～鍦ㄩ鍚庣殑鎷彿鍐咃級
鈷堜竴鍏冧簩娆℃柟绋?/p>
x
2
-
|x|
-6
=
0
鐨勮В鐨勪釜鏁版槸鈥炩�炩�炩�炩�炩�炩�炩�炩�炩�炩�炩�炩�?/p>
[ ]
A. 1
涓?/p>
B.2
涓?/p>
C. 3
涓?/p>
D.4
涓?/p>
鈷夊湪鈻?/p>
ABC
涓紝鈭?/p>
C
涓虹洿瑙掞紝濡傛灉
sinA=
3
2
锛岄偅涔?/p>
tgB=
鈥炩�炩�炩�炩�炩�炩�炩�?/p>
[ ]
A.
5
3
B.
3
5
C.
5
5
2
D.
2
5
鈷婃煇鏋楀満鍘熸湁鏈ㄦ潗瀛橀噺涓?/p>
am
3
,
鏈ㄦ潗鐨勫勾澧為暱鐜囦负
p,
鑰屾瘡骞寸爫浼愭湪鏉愮殑鎬婚噺涓?/p>
bm
3
锛?/p>
鍒欎袱
骞村悗璇ユ灄鍦虹殑鏈ㄦ潗瀛橀噺涓衡�炩�炩�炩�炩�炩�炩�炩�炩�炩�炩�炩�炩�炩�炩�炩�炩�炩�?/p>
[ ]
A. [a(1+p)
2
-(2+p)b]m
3
B. [a(1+p)
2
+bp]m
3
C. [a(1+p)
2
+(2+p)b]m
3
D. [ap(1+p)-(1+p)b]m
3
鈷嬪鍥撅紝鍦ㄩ攼瑙掍笁瑙掑舰
ABC
涓紝鐐?/p>
D
銆?/p>
E
銆?/p>
F
鍒嗗埆鏄竟
BC
銆?/p>
CA
銆?/p>
AB
鐨?/p>
涓偣锛?/p>
浠庢瘡杈逛腑鐐瑰垎鍒?/p>
浣滃叾浣欎袱杈圭殑
鍨傜嚎锛岃繖鍏潯鍨?/p>
绾垮洿鎴愬叚杈瑰舰
DPEQFR
锛岃鍏竟褰?/p>
DPEQFR
鐨勯潰绉负
S1
锛屸柍
ABC
鐨勯潰绉负
S
锛屽垯
S1
锛?/p>
S=
鈥炩�炩�炩�?/p>
[ ]
A.
3
锛?/p>
5 B.2
锛?/p>
3
C.
锛?/p>
2 D.1
锛?/p>
3
浜屻�佸～绌洪锛堟湰棰樺叡
8
灏忛锛屾瘡灏忛
5
鍒嗭紝婊″垎
40
鍒嗭級
鈷岃绠楋細
7
4
飥?
-
7
4
飥?
=
銆?/p>
6
銆?/p>
宸茬煡褰?/p>
x=2
鏃讹紝
浠ｆ暟寮?/p>
x
2
+ax+3+
x
b
鐨勫�兼槸
16
锛?/p>
閭ｄ箞褰?/p>
x=-2
鏃讹紝
x
2
+ax+3+
x
b
鐨勫�兼槸
銆?/p>
鈷庡鍥撅紝鍦ㄢ柍
ABC
涓紝
AB=AC
锛?/p>
D
鏄?/p>
BC
涓婁竴鐐癸紝涓斺垹
BAD=30
掳
锛岀偣
E
鍦?/p>
AC
涓婏紝
AD=AE
锛屽垯鈭?/p>
EDC
涓?/p>
搴︺�?/p>
鈷忓凡鐭ュ叧浜?/p>
x
鐨勪笉绛夊紡
锛?/p>
2a-b
锛?/p>
x>b
鐨勮В鏄?/p>
x<
2
1
飥?
锛?/p>
鍒?
a
b
b
a
飥?/p>
飥?/p>
3
6
3
=
銆?/p>
鈷愬鍥撅紝
AB
鏄嚜鍔ㄥ柗鐏岃澶囩殑姘寸锛岀偣
A
鍦ㄥ湴闈紝鐐?/p>
B
楂樺嚭鍦伴潰
1.5
绫炽�傚湪
B
澶勬湁涓�
鑷姩鏃嬭浆鐨勫柗姘村ご锛屽湪姣忎竴鐬棿锛屽柗鍑虹殑姘存祦鍛堟姏鐗╃嚎鐘讹紝鍠峰ご
B
涓庢按娴佹渶楂樼偣
C
鐨勮繛绾?/p>
涓庢按骞崇嚎鎴?/p>
45
掳瑙掞紝姘存祦鐨勬渶楂樼偣
C
涓庡柗澶?/p>
B
楂樺嚭
2
绫筹紝鍦ㄥ鍥剧殑鍧愭爣绯讳腑锛屾按娴佺殑钀藉湴
鐐?/p>
D
鍒扮偣
A
鐨勮窛绂绘槸
绫炽�?/p>