涔犻涓?/p>
1.
鍦ㄧ┖闂寸洿瑙掑潗鏍囩郴涓紝瀹氬嚭涓嬪垪鍚勭偣鐨勪綅缃細
A
(1,2,3);
B
(-
2,3,4);
C
(2
,-
3
,-
4);
D
(3,4,0);
E
(0,4,3);
F
(3,0,0).
瑙ｏ細鐐?/p>
A
鍦ㄧ鈪犲崷闄愶紱鐐?/p>
B
鍦ㄧ鈪″崷闄愶紱鐐?/p>
C
鍦ㄧ鈪у崷闄愶紱
鐐?/p>
D
鍦?/p>
xOy
闈笂锛涚偣
E
鍦?/p>
yOz
闈笂锛涚偣
F
鍦?/p>
x
杞翠笂
.
2.
xOy
鍧愭爣闈笂鐨勭偣鐨勫潗鏍囨湁浠�涔堢壒鐐癸紵
yOz
闈笂鐨勫憿锛?/p>
zOx
闈笂鐨勫憿锛?/p>
绛?/p>
:
鍦?/p>
xOy
闈笂鐨勭偣锛?/p>
z
=0;
鍦?/p>
yOz
闈笂鐨勭偣锛?/p>
x
=0;
鍦?/p>
zOx
闈笂鐨勭偣锛?/p>
y
=0.
3.
x
杞翠笂鐨勭偣鐨勫潗鏍囨湁浠�涔堢壒鐐癸紵
y
杞翠笂鐨勭偣鍛紵
z
杞翠笂鐨勭偣鍛紵
绛旓細
x
杞翠笂鐨勭偣锛?/p>
y
=
z
=0;
y
杞翠笂鐨勭偣锛?/p>
x
=
z
=0;
z
杞翠笂鐨勭偣锛?/p>
x
=
y
=0.
4.
姹備笅鍒楀悇瀵圭偣涔嬮棿鐨勮窛绂伙細
锛?/p>
1
锛?/p>
锛?/p>
0
锛?/p>
0
锛?/p>
0
锛?/p>
锛?/p>
锛?/p>
2
锛?/p>
3
锛?/p>
4
锛?/p>
锛?/p>
锛?/p>
2
锛?/p>
锛?/p>
0
锛?/p>
0
锛?/p>
0
锛?/p>
锛?/p>
锛?/p>
2
锛?/p>
-
3
锛?/p>
-
4
锛?/p>
锛?/p>
锛?/p>
3
锛?/p>
锛?/p>
-
2
锛?/p>
3
锛?/p>
-
4
锛?/p>
锛?/p>
锛?/p>
1
锛?/p>
0
锛?/p>
3
锛?/p>
锛?/p>
锛?/p>
4
锛?/p>
锛?/p>
4
锛?/p>
-
2
锛?/p>
3
锛?/p>
锛?/p>
锛?/p>
-
2
锛?/p>
1
锛?/p>
3
锛?/p>
.
瑙ｏ細
锛?/p>
1
锛?/p>
2
2
2
2
3
4
29
s
飥?/p>
飥?/p>
飥?/p>
飥?/p>
(2)
2
2
2
2
(
3)
(
4)
29
s
飥?
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
(3)
2
2
2
(1
2)
(0
3)
(3
4)
67
s
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
(4)
2
2
2
(
2
4)
(1
2)
(3
3)
3
5
s
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
.
5.
姹傜偣锛?/p>
4
锛?/p>
-
3
锛?/p>
5
锛夊埌鍧愭爣鍘熺偣鍜屽悇鍧愭爣杞撮棿鐨勮窛绂?/p>
.
瑙ｏ細鐐?/p>
(4
锛?/p>
-
3
锛?/p>
5)
鍒?/p>
x
杞达紝
y
杞达紝
z
杞寸殑鍨傝冻鍒嗗埆涓猴紙
4
锛?/p>
0
锛?/p>
0
锛?/p>
锛?/p>
锛?/p>
0
锛?/p>
-
3
锛?/p>
0
锛?/p>
锛?/p>
锛?/p>
0
锛?/p>
0
锛?/p>
5
锛?/p>
.
鏁?/p>
2
2
2
0
4
(
3
)
5
5
2
s
飥?
飥?/p>
飥?/p>
飥?/p>
飥?/p>
2
2
2
(4
4)
(
3
0)
(5
0)
34
x
s
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
2
2
2
4
(
3
3)
5
41
y
s
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
2
2
2
4
(
3)
(5
5)
5
z
s
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
.
6.
鍦?/p>
z
杞翠笂锛屾眰涓庝袱鐐?/p>
A
锛?/p>
-
4
锛?/p>
1
锛?/p>
7
锛夊拰
B
锛?/p>
3
锛?/p>
5
锛?/p>
-
2
锛夌瓑璺濈鐨勭偣
.
瑙ｏ細璁炬鐐逛负
M
锛?/p>
0
锛?/p>
0
锛?/p>
z
锛?/p>
锛屽垯
2
2
2
2
2
2
(
4)
1
(7
)
3
5
(
2
)
z
z
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
瑙ｅ緱
14
9
z
飥?