绗?/p>
1
椤?/p>
鍏?/p>
5
椤?/p>
涓冨勾绾х涓�绔犮�婃湁鐞嗘暟銆嬬患鍚堟祴璇曞嵎
锛堟椂闂达細
120
鍒嗛挓锛屾弧鍒嗭細
100
鍒嗭級
涓�銆侀�変竴閫夛紙姣忓皬
4
鍒嗭紝鍏?/p>
28
鍒嗭級
1
銆佷笅闈㈢殑璇存硶涓?/p>
,
姝ｇ‘鐨勪釜鏁版槸
( )
(1)
涓�涓湁鐞嗘暟涓嶆槸鏁存暟灏辨槸鍒嗘暟锛?/p>
(2)
涓�涓湁鐞嗘暟涓嶆槸姝ｆ暟灏辨槸璐熸暟锛?/p>
(3)
涓�涓暣鏁颁笉鏄鐨勫氨鏄礋鐨勶紱
(4)
涓�涓垎鏁颁笉鏄鐨勫氨鏄礋鐨勩�?/p>
A
銆?/p>
1 B
銆?/p>
2 C
銆?/p>
3 D
銆?/p>
4
2
銆佽嫢
ab<0,a+b>0,
閭ｄ箞蹇呮湁
( )
A
銆佺鍙风浉鍙?/p>
B
銆佺鍙风浉鍙嶄笖缁濆鍊肩浉绛?/p>
C
銆佺鍙风浉鍙嶄笖璐熸暟鐨勭粷瀵瑰�煎ぇ
D
銆佺鍙风浉鍙嶄笖姝ｆ暟鐨勭粷瀵瑰�煎ぇ
3
銆佷笅鍒楀嚑涓畻寮忎腑姝ｇ‘鐨勬湁
( )
(1)-2-(-5)=-3
锛?/p>
(2)-2
2
=-4
锛?/p>
(3)(-1/4)
梅
(-4)=1
锛?/p>
(4)(-3)
3
=-2
A.0
涓?/p>
B.1
涓?/p>
C.2
涓?/p>
D.3
涓?/p>
4
銆佸凡鐭ワ細
a
銆?/p>
b
銆?/p>
c
鍦ㄦ暟杞翠笂浣嶇疆濡傚浘
1,O
涓哄師鐐?/p>
,
鍒欎笅鍒楁纭殑鏄?/p>
( )
A
銆?/p>
abc>0 B
銆?/p>
|a|>|c| C
銆?/p>
|a|>|b| D
銆?/p>
c
ab
<0
5
銆佺敤璁＄畻鍣ㄦ眰
10
3
,
閿叆椤哄簭涓?/p>
( )
6
銆佷笅鍒楁瘡缁勬暟涓紝鐩哥瓑鐨勬槸
锛?/p>
锛?/p>
A
锛?/p>
-(-3)
鍜?/p>
-3
锛?/p>
B
锛?/p>
+(-3)
鍜?/p>
-(-3)
锛?/p>
C
锛?/p>
-(-3)
鍜?/p>
|-3|
锛?/p>
D
锛?/p>
-(-3)
鍜?/p>
-|-3|
锛?/p>
7
銆佽嫢
a>0>b>c,a+b+c=1,M=
a
c
b
飥?/p>
,N=
b
c
a
飥?/p>
,P=
c
b
a
飥?/p>
,
鍒?/p>
M
銆?/p>
N
銆?/p>
P
涔嬮棿鐨勫ぇ灏忓叧绯绘槸
( )
A
銆?/p>
M>N>P B
銆?/p>
N>P>M C
銆?/p>
P>M>N D
銆?/p>
M>P>N