鈻佲杺鈻冣杽鈻呪枂鈻団枅鈻夆枈鈻嬧枌绮捐瘹鍑濊仛
=^_^=
鎴愬氨姊︽兂
鈻佲杺鈻冣杽鈻呪枂鈻団枅鈻夆枈鈻嬧枌
鈻?/p>
鈻?/p>
鈻?/p>
鈻?/p>
鈻?/p>
鈻?/p>
鈻?/p>
鈻?/p>
鈻撶偣浜績鐏?/p>
~~~///(^v^)\\\~~~
鐓т寒浜虹敓
鈻?/p>
鈻?/p>
鈻?/p>
鈻?/p>
鈻?/p>
鈻?/p>
鈻?/p>
鈻?/p>
鈻?/p>
2012
骞寸鏈熷崡闃冲競閮ㄥ垎绀鸿寖楂樹腑鏈熶腑鑰冭瘯浜屽勾绾?/p>
鏁板璇曢
锛堢悊锛?/p>
娉ㄦ剰浜嬮」锛?/p>
1
锛庢湰璇曞嵎鍒嗙鈪犲嵎
(
閫夋嫨棰?/p>
)
绗叀鍗?/p>
(
闈為�夋嫨棰?/p>
)
鍜岀瓟棰樺嵎涓夐儴鍒嗭紝鍏?/p>
150
鍒嗭紝
鑰冭瘯鏃堕棿
120
鍒?/p>
閽熴�?/p>
2
锛庣瓟棰樺墠锛屽姟蹇呭皢鑷繁鐨勫鍚嶈�冨彿濉啓鍦ㄦ満璇诲崱鍜岀瓟棰樺嵎瑙勫畾鐨勪綅缃笂锛涙墍鏈夐鐩繀椤诲湪
绛旈
鍗蜂笂浣滅瓟锛屽湪璇曢鍗蜂笂绛旈鏃犳晥銆?/p>
3
锛庤灏嗘湰璇曞嵎绗厾鍗?/p>
(
閫夋嫨棰?/p>
)
绗叀鍗?/p>
(
闈為�夋嫨棰?/p>
)
涓ら儴鍒嗙瓟妗堢瓟鍦ㄧ瓟棰樺嵎涓婃寚瀹氬尯鍩熷唴锛?/p>
瓒?/p>
鍑虹瓟
棰樺尯鍩熺殑鏃犳晥銆傜敤鏈鸿鍗＄殑鍚屽鐩存帴鎶婄鈪犲嵎
(
閫夋嫨棰?/p>
)
鐨勭瓟妗堢敤
2B
閾呯瑪灏嗙瓟棰樺崱涓婂
搴旈
鐩殑绛旀鏍囧彿娑傞粦锛屽闇�鏀瑰姩锛岀敤姗＄毊鎿︽摝骞插噣鍚庯紝鍐嶉�夋秱鍏朵粬绛旀鏍囧彿銆?/p>
4
锛庤�冭瘯缁撴潫鍚庯紝灏嗙瓟棰樺嵎鍜屾満璇诲崱浜や笂锛岃瘯棰樺嵎鑷繁淇濆瓨銆?/p>
绗厾鍗凤紙
60
鍒嗭級
涓�銆侀�夋嫨棰橈細
(
姣忓皬棰?/p>
5
鍒嗭紝鍏?/p>
60
鍒嗭紝鍦ㄦ瘡灏忛绛旀涓彧鏈変竴椤规槸绗﹀悎棰樼洰瑕佹眰鐨?/p>
)
1.
婊¤冻
A=45
掳
,c=
6
,a=2
鐨勨柍
ABC
鐨勪釜鏁拌涓?/p>
m,
鍒?/p>
a
m
鐨勫�间负
锛?/p>
锛?/p>
A
锛?/p>
4 B
锛?/p>
2 C
锛?/p>
1
D
锛庝笉纭畾
2.
绛夋瘮鏁板垪
{
a
n
}
涓紝
a
2
锛?/p>
a
6
鏄柟绋?/p>
x
2
锛?/p>
34
x
锛?/p>
64
锛?/p>
0
鐨勪袱鏍癸紝鍒?/p>
a
4
绛変簬
(
)
A
锛?/p>
8
B
锛庯紞
8
C
锛?/p>
卤
8
D
锛庝互涓婇兘涓嶅
3.
绛夊樊鏁板垪
{
a
n
}
涓紝
a
1
锛?/p>
a
2
锛?/p>
a
3
锛濓紞
24
锛?/p>
a
18
锛?/p>
a
19
锛?/p>
a
20
锛?/p>
78
锛?/p>
鍒欐鏁板垪鍓?/p>
20
椤瑰拰绛変簬
锛?/p>
锛?/p>
A
锛?/p>
160
B
锛?/p>
180
C
锛?/p>
200
D
锛?/p>
220
4.
鍦?/p>
绛?/p>
姣?/p>
鏁?/p>
鍒?/p>
{
}
n
a
涓?/p>
锛?/p>
鑻?/p>
1
100
0,
100,
n
a
a
a
飥?/p>
飪?/p>
飥?/p>
鍒?/p>
1
2
3
100
lg
lg
lg
lg
a
a
a
a
飥?/p>
飥?/p>
飥?/p>
飥?/p>
涓?/p>
锛?/p>
锛?/p>
A.
100
100
B.
50
100
C.100 D.50
5.
鑻モ柍
ABC
鐨勫唴瑙?/p>
A
銆?/p>
B
銆?/p>
C
婊¤冻
6sin
A
锛?/p>
4sin
B
锛?/p>
3sin
C
锛屽垯
cos
B
绛変簬
锛?/p>
锛?/p>
A.
15
4
B.
3
4
C.
3
15
16
D.
11
16
6.
鍦ㄢ柍
ABC
涓紝鑻?/p>
lg sin
A
锛?/p>
lg cos
B
锛?/p>
lg sin
C
锛?/p>
lg 2
锛屽垯鈻?/p>
ABC
鏄?/p>
锛?/p>
锛?/p>
A
锛庣瓑鑵颁笁瑙掑舰
B
锛庣洿瑙掍笁瑙掑舰