2.4.2
骞抽潰鍚戦噺鏁伴噺绉殑鍧愭爣琛ㄧず銆佹ā銆佸す瑙?/p>
[
璇炬椂浣滀笟
]
[A
缁?/p>
鍩虹宸╁浐
]
1
锛庝互涓嬮�夐」涓紝涓嶄竴瀹氭槸鍗曚綅鍚戦噺鐨勬湁
(
)
鈶?/p>
a
锛?/p>
(cos
胃
锛岋紞
sin
胃
)
锛涒憽
b
锛?/p>
(
lg 2
锛?/p>
lg 5)
锛涒憿
c
锛?/p>
(2
x,
2
锛?/p>
x
)
锛?/p>
鈶?/p>
d
锛?/p>
(1
锛?/p>
x
锛?/p>
x
)
锛?/p>
A
锛?/p>
1
涓?/p>
B
锛?/p>
2
涓?/p>
C
锛?/p>
3
涓?/p>
D
锛?/p>
4
涓?/p>
瑙ｆ瀽锛氬洜涓?/p>
|
a
|
锛?/p>
1
锛?/p>
|
b
|
锛?/p>
1
锛?/p>
|
c
|
锛?/p>
2
x
2
锛?/p>
2
锛?/p>
x
2
鈮?/p>
2
鈮?锛?/p>
|
d
|
锛?/p>
1
锛?/p>
x
2
锛?/p>
x
2
锛?/p>
2
x
2
锛?/p>
2
x
锛?/p>
1
锛?/p>
2
x
锛?
1
2
2
锛?/p>
1
2
鈮?/p>
2
2
鏁呴�?/p>
B.
绛旀锛?/p>
B
2
锛庤鍚戦噺
a
锛?/p>
(2,0)
锛?/p>
b
锛?/p>
(1,1)
锛岃涓嬪垪缁撹涓纭殑鏄?/p>
(
)
A
锛?/p>
|
a
|
锛?/p>
|
b
|
B
锛?/p>
a路b
锛?/p>
1
2
C
锛?/p>
(
a
锛?/p>
b
)
鈯?/p>
b
D
锛?/p>
a
鈭?/p>
b
瑙ｆ瀽锛氬洜涓?/p>
a
锛?/p>
(2,0)
锛?/p>
b
锛?/p>
(1,1)
锛?/p>
鎵�浠?/p>
|
a
|
锛?/p>
2
锛?/p>
|
b
|
锛?/p>
2
锛屾晠
|
a
|鈮爘
b
|
锛?/p>
A
閿欒锛?/p>
a路b
锛?2,0)路(1,1)锛?脳1锛?脳1锛?/p>
2
锛屾晠
B
閿欒锛?/p>
鍥犱负
a
锛?/p>
b
锛?/p>
(1
锛岋紞
1)
锛屾墍浠?/p>
(
a
锛?/p>
b
)路
b
锛?/p>
(1
锛岋紞1)路(1,1)锛?/p>
0
锛屾墍浠?/p>
(
a
锛?/p>
b
)
鈯?/p>
b
锛屾晠
C
姝ｇ‘锛?/p>
鍥犱负
2脳1锛?脳1鈮?锛屾墍浠?/p>
a
涓?/p>
b
涓嶅叡绾匡紝鏁?/p>
D
閿欒锛?/p>
绛旀锛?/p>
C
3
锛?/p>
(2014
骞撮珮鑰冮噸搴嗗嵎
)
宸茬煡鍚戦噺
a
锛?/p>
(
k,
3)
锛?/p>
b
锛?/p>
(1,4)
锛?/p>
c
锛?/p>
(2,1)
锛?/p>
涓?/p>
(2
a
锛?/p>
3
b
)
鈯?/p>
c
锛屽垯瀹炴暟
k
锛?/p>
(
)