1.1
闆嗗悎鐨勬蹇典範棰?/p>
缁冧範
1.1.1
1
銆?/p>
涓嬪垪鎵�缁欏璞′笉鑳界粍鎴愰泦鍚堢殑鏄?/p>
---------------------
锛?/p>
锛?/p>
A
锛庢涓夎褰㈢殑鍏ㄤ綋
B
銆?/p>
銆婇珮涓�鏁板銆嬭鏈腑鐨勬墍鏈変範棰?/p>
C
锛庢墍鏈夋棤鐞嗘暟
D
銆?/p>
銆婇珮涓�鏁板銆嬭鏈腑鎵�鏈夐毦棰?/p>
2
銆佷笅鍒楁墍缁欏璞¤兘褰㈡垚闆嗗悎鐨勬槸
---------------------
锛?/p>
锛?/p>
A
锛庨珮涓瓙鐨勫鐢?/p>
B
銆傛柟绋嬶箼
x-1
锕毬?/p>
2=0
鐨勫疄鏍?/p>
C
锛庣儹鐖卞涔犵殑浜?/p>
D
銆傚ぇ灏忔帴杩戜簬闆剁殑鏈夌悊鏁?/p>
3
銆?/p>
锛氱敤绗﹀彿鈥?/p>
飪?/p>
鈥濆拰鈥?/p>
飪?/p>
鈥濆～绌恒�?/p>
锛?/p>
1
锛?/p>
-11.8
N
锛?/p>
0
R
锛?/p>
-3
N,
5
Z
锛?/p>
2
锛?/p>
2.1
Q
锛?/p>
0.11
Z
锛?/p>
-3.3
R
锛?/p>
0.5
N
锛?/p>
3
锛?/p>
2.5
Z
锛?/p>
0
桅锛?/p>
-3
Q
0.5
N
+
绛旀锛?/p>
1
銆?/p>
D
2
銆?/p>
B
3
銆?/p>
锛?/p>
1
锛?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
锛?/p>
2
锛?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
锛?/p>
3
锛?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
缁冧範
1.1.2
1
銆佺敤鍒椾妇娉曡〃绀轰笅鍒楅泦鍚?/p>
:
(1)
鑳借
3
鏁撮櫎涓斿皬浜?/p>
20
鐨勬墍鏈夎嚜鐒舵暟
(2)
鏂圭▼
x
2
-6x+8=0
鐨勮В闆?/p>
2
銆佺敤鎻忚堪娉曡〃绀轰笅鍒楀悇闆嗗悎
:
(1)
鏈夋墍鏈夋槸
4
鐨勫�嶆暟鐨勬暣鏁扮粍鎴愮殑闆嗗悎銆?/p>
(2)
涓嶇瓑寮?/p>
3x+
7
锛?/p>
1
鐨勮В闆?/p>
3
銆侀�夌敤閫傚綋鐨勬柟娉曡〃绀哄嚭涓嬪垪鍚勯泦鍚堬細
(1)
鐢卞ぇ浜?/p>
11
鐨勬墍鏈夊疄鏁扮粍鎴愮殑闆嗗悎锛?/p>
(2)
鏂圭▼锛?/p>
x-3
锛?/p>
(x+7)=0
鐨勮В闆嗭紱
(3)
骞抽潰鐩磋鍧愭爣绯讳腑绗竴璞￠檺鎵�鏈夌殑鐐圭粍鎴愮殑闆嗗悎锛?/p>
绛旀锛?/p>
1
銆?/p>
(1)
{0,3,6,9,12,15,18};
(2)
{2,4}
2
銆?/p>
(1)
{
x
锔?/p>
x=4k ,k
飪?/p>
Z};
(2)
{
x
锔?/p>
3x+
7
锛?/p>
1}
3
銆?/p>
(1)
{
x
锔?/p>
x
锛?/p>
11}; (2){-7,3}; (3) {(x,y)
锔?/p>
x
锛?/p>
0,y
锛?/p>
0}
1.2
闆嗗悎涔嬮棿鐨勫叧绯讳範棰?/p>
缁冧範
1.2.1.
1
銆佺敤绗﹀彿鈥?/p>
飪?/p>
鈥?/p>
銆?/p>
鈥?/p>
飪?/p>
鈥?/p>
銆?/p>
鈥?/p>
飪?/p>
鈥濇垨鈥?/p>
飪?/p>
鈥濆～绌猴細