2019
骞撮珮鑰冩柊璇炬爣鍏ㄥ浗
3
鍗风悊绉戞暟瀛?/p>
涓�銆侀�夋嫨棰橈細鏈鍏?/p>
12
灏忛锛屾瘡灏忛
5
鍒嗭紝鍏?/p>
60
鍒嗐�?/p>
1
锛庡凡鐭ラ泦鍚?/p>
2
{
1,0,1,2}
{
1
}
A
B
x
x
飥?/p>
飥?/p>
飥?/p>
飩?/p>
锛?/p>
锛屽垯
A
B
飥?/p>
A
锛?/p>
飦?/p>
飦?/p>
1
,0,1
飥?/p>
B
锛?/p>
飦?/p>
飦?/p>
0,1
C
锛?/p>
飦?/p>
飦?/p>
1
,1
飥?/p>
D
锛?/p>
飦?/p>
飦?/p>
0,1,2
2
锛庤嫢
(1
i)
2i
z
飥?/p>
飥?/p>
锛屽垯
z
=
A
锛?/p>
1
i
飥?/p>
飥?/p>
B
锛?/p>
1+i
飥?/p>
C
锛?/p>
1
i
飥?/p>
D
锛?/p>
1+i
3
锛庛�婅タ娓歌銆嬨�婁笁鍥芥紨涔夈�嬨�婃按娴掍紶銆嬪拰銆婄孩妤兼ⅵ銆嬫槸涓浗鍙ゅ吀鏂囧鐟板疂锛屽苟绉颁负涓浗鍙ゅ吀灏忚鍥涘ぇ鍚嶈憲
鏌愪腑瀛︿负浜嗚В鏈牎瀛︾敓闃呰鍥涘ぇ鍚嶈憲鐨勬儏鍐碉紝闅忔満璋冩煡浜?/p>
100
瀛︾敓锛屽叾涓槄璇昏繃銆婅タ娓歌銆嬫垨銆婄孩妤兼ⅵ銆?/p>
鐨勫鐢熷叡鏈?/p>
90
浣嶏紝闃呰杩囥�婄孩妤兼ⅵ銆嬬殑瀛︾敓鍏辨湁
80
浣嶏紝闃呰杩囥�婅タ娓歌銆嬩笖闃呰杩囥�婄孩妤兼ⅵ銆嬬殑瀛︾敓鍏?/p>
鏈?/p>
60
浣嶏紝鍒欒鏍￠槄璇昏繃銆婅タ娓歌銆嬬殑瀛︾敓浜烘暟涓庤鏍″鐢熸�绘暟姣斿�肩殑浼拌鍊间负
A
锛?/p>
0.5
B
锛?/p>
0.6
C
锛?/p>
0.7
D
锛?/p>
0.8
4
锛庯紙
1+2
x
2
锛夛紙
1+
x
锛?/p>
4
鐨勫睍寮�寮忎腑
x
3
鐨勭郴鏁颁负
A
锛?/p>
12
B
锛?/p>
16
C
锛?/p>
20
D
锛?/p>
24
5
锛庡凡鐭ュ悇椤瑰潎涓烘鏁扮殑绛夋瘮鏁板垪
{
a
n
}
鐨勫墠
4
椤逛负鍜屼负
15
锛屼笖
a
5
=3
a
3
+4
a
1
锛屽垯
a
3
=
A
锛?/p>
16
B
锛?/p>
8
C
锛?/p>
4
D
锛?/p>
2
6
锛庡凡鐭ユ洸绾?/p>
e
ln
x
y
a
x
x
飥?/p>
飥?/p>
鍦ㄧ偣锛?/p>
1
锛?/p>
a
e
锛夊鐨勫垏绾挎柟绋嬩负
y
=2
x
+
b
锛屽垯
A
锛?/p>
e
1
a
b
飥?/p>
飥?/p>
飥?/p>
锛?/p>
B
锛?/p>
a=
e
锛?/p>
b
=1
C
锛?/p>
1
e
1
a
b
飥?/p>
飥?/p>
飥?/p>
锛?/p>
D
锛?/p>
1
e
a
飥?/p>
飥?/p>
锛?/p>
1
b
飥?/p>
飥?/p>
7
锛庡嚱鏁?/p>
3
2
2
2
x
x
x
y
飥?/p>
飥?/p>
飥?/p>
鍦?/p>
飦?/p>
飦?/p>
6,6
飥?/p>
鐨勫浘璞″ぇ鑷翠负
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
锛?/p>
8
锛庡鍥撅紝鐐?/p>
N
涓烘鏂瑰舰
ABCD
鐨勪腑蹇冿紝鈻?/p>
ECD
涓烘涓夎褰紝骞抽潰
ECD
鈯ュ钩闈?/p>
ABCD
锛?/p>
M
鏄嚎娈?/p>
ED
鐨勪腑
鐐癸紝鍒?/p>
A
锛?/p>
BM
=
EN
锛屼笖鐩寸嚎
BM
銆?/p>
EN
鏄浉浜ょ洿绾?/p>
B
锛?/p>
BM
鈮?/p>
EN
锛屼笖鐩寸嚎
BM
锛?/p>
EN
鏄浉浜ょ洿绾?/p>
C
锛?/p>
BM
=
EN
锛屼笖鐩寸嚎
BM
銆?/p>
EN
鏄紓闈㈢洿绾?/p>
D
锛?/p>
BM
鈮?/p>
EN
锛屼笖鐩寸嚎
BM
锛?/p>
EN
鏄紓闈㈢洿绾?/p>