涓�銆佸～绌洪
1
璁鹃泦鍚?/p>
A,B
锛屽叾涓?/p>
A
锛?/p>
{1,2,3}, B= {1,2},
鍒?/p>
A - B
锛?/p>
________{3}____________;
飦?/p>
(A) -
飦?/p>
(B)
锛?/p>
_____{{3},{1,3},{2,3},{1,2,3}}_______ .
2.
2.
璁炬湁闄愰泦鍚?/p>
A, |A| = n,
鍒?/p>
|
飦?/p>
(A脳
A)| = __
2
2
n
3.
璁鹃泦鍚?/p>
A = {
a
,
b
}, B = {1, 2},
鍒欎粠
A
鍒?/p>
B
鐨勬墍鏈夋槧灏勬槸
__
飦?/p>
1
= {(
a
,1), (
b
,1)},
飦?/p>
2
= {(
a
,2),
(
b
,2)},
飦?/p>
3
= {(
a
,1), (
b
,2)},
飦?/p>
4
= {(
a
,2), (
b
,1)};_,
鍏朵腑鍙屽皠鐨勬槸
____
飦?/p>
3
,
飦?/p>
4
._
4.
宸?/p>
鐭?/p>
鍛?/p>
棰?/p>
鍏?/p>
寮?/p>
G
锛?/p>
飪?/p>
(P
飩?/p>
Q)
鈭?/p>
R
锛?/p>
鍒?/p>
G
鐨?/p>
涓?/p>
鏋?/p>
鍙?/p>
鑼?/p>
寮?/p>
鏄?/p>
______(P
鈭?/p>
飪?/p>
Q
鈭?/p>
R)__________________.
5.
璁?/p>
G
鏄畬鍏ㄤ簩鍙夋爲锛?/p>
G
鏈?/p>
7
涓偣锛屽叾涓?/p>
4
涓彾鐐癸紝鍒?/p>
G
鐨勬�诲害鏁颁负
___12_______
锛屽垎鏋?/p>
鐐规暟涓?/p>
_______3_________.
6
璁?/p>
A
銆?/p>
B
涓轰袱涓泦鍚?/p>
, A= {1,2,4}, B = {3,4},
鍒欎粠
A
飪?/p>
B
锛?/p>
_______{4}__________________;
A
飪?/p>
B
锛?/p>
_____{1, 2, 3, 4}____________;A
锛?/p>
B
锛?/p>
____{1, 2}_________________ .
3.
7
.
璁?/p>
R
鏄泦鍚?/p>
A
涓婄殑绛変环鍏崇郴锛屽垯
R
鎵�鍏锋湁鐨勫叧绯荤殑涓変釜鐗规�ф槸
__
鑷弽鎬э紱瀵圭О鎬э紱
浼犻�掓�?/p>
_______________________________.
8
.
璁惧懡棰樺叕寮?/p>
G
锛?/p>
飪?/p>
(P
飩?/p>
(Q
飪?/p>
R))
锛屽垯浣垮叕寮?/p>
G
涓虹湡鐨勮В閲婃湁
____(1, 0, 0)________
锛?/p>
___
_(1, 0, 1)_________,
____(1, 1, 0)______________________.
9.
璁鹃泦鍚?/p>
A
锛?/p>
{1,2,3,4}, A
涓婄殑鍏崇郴
R
1
= {(1,4),(2,3),(3,2)}, R
1
= {(2,1),(3,2),(4,3)},
鍒?/p>
R
1
飩?/p>
R
2
= _{(1,3),(2,2),(3,1)}__________,R
2
飩?/p>
R
1
=___{(2,4),(3,3),(4,2)}_____
__,
R
1
2
=_____{(2,2),(3,3)}__________________.
4.
10.
璁炬湁闄愰泦
A, B
锛?/p>
|A| = m, |B| = n,
鍒?/p>
| |
飦?/p>
(A
飩?/p>
B)| = ___2
m
飩?/p>
n
_____.
11
璁?/p>
A,B,R
鏄笁涓泦鍚堬紝
鍏朵腑
R
鏄疄鏁伴泦锛?/p>
A = {x | -1
鈮?/p>
x
鈮?/p>
1, x
飪?/p>
R}, B = {x | 0
鈮?/p>
x < 2, x
飪?/p>
R},
鍒?/p>
A-B = _{x | -1
鈮?/p>
x < 0, x
飪?/p>
R}_______ , B-A = __{x | 1 < x < 2, x
飪?/p>
R}_____ ,
A
鈭?/p>
B =
___{x | 0
鈮?/p>
x
鈮?/p>
1, x
飪?/p>
R}_______________________ , .
5.
13.
璁鹃泦鍚?/p>
A
锛?/p>
{2, 3, 4, 5, 6}
锛?/p>
R
鏄?/p>
A
涓婄殑鏁撮櫎锛?/p>
鍒?/p>
R
浠ラ泦鍚堝舰寮?/p>
(
鍒椾妇娉?/p>
)
璁颁负
__{(2, 2),(2,
4),(2, 6),(3, 3),(3, 6),(4, 4),(5, 5),(6, 6)}_____________________________
.
6.
14.
璁句竴闃堕�昏緫鍏紡
G =
飥?/p>
xP(x)
飩�?/p>
xQ(x)
锛屽垯
G
鐨勫墠鏉熻寖寮忔槸
__
飥?/p>
x(
飪?/p>
P(x)
鈭?/p>
Q(x))_.
15.
璁?/p>
G
鏄叿鏈?/p>
8
涓《鐐圭殑鏍戯紝鍒?/p>
G
涓鍔?/p>
__21_______
鏉¤竟鎵嶈兘鎶?/p>
G
鍙樻垚瀹屽叏鍥俱�?/p>
16.
璁捐皳璇嶇殑瀹氫箟鍩熶负
{
a
,
b
},
灏嗚〃杈惧紡
飥?/p>
xR(x)
鈫?/p>
飥?/p>
xS(x)
涓噺璇嶆秷闄わ紝鍐欐垚涓庝箣瀵瑰簲鐨勫懡棰樺叕
寮忔槸
____(R(a)
鈭?/p>
R(b))
鈫?/p>
(S(a)
鈭?/p>
S(b))_______________________.