2020
骞撮珮鑰冿紙鐞嗙锛夋暟瀛︼紙
4
鏈堜唤锛夋ā鎷熻瘯鍗?/p>
涓�銆侀�夋嫨棰?/p>
1
锛庨泦鍚?/p>
A
锛?/p>
{
锕?/p>
1
锛?/p>
0
锛?/p>
1}
锛?/p>
A
鐨勫瓙闆嗕腑锛屽惈鏈夊厓绱?/p>
0
鐨勫瓙闆嗗叡鏈夛紙
锛?/p>
A
锛?/p>
2
涓?/p>
B
锛?/p>
4
涓?/p>
C
锛?/p>
6
涓?/p>
D
锛?/p>
8
涓?/p>
2
锛庡湪骞抽潰鍖哄煙
M
锛?/p>
{
锛?/p>
x
锛?/p>
y
锛?/p>
|
}
鍐呴殢鏈哄彇涓�鐐?/p>
P
锛屽垯鐐?/p>
P
鍦ㄥ渾
x
2
+
y
2
锛?/p>
2
鍐呴儴鐨勬
鐜囷紙
锛?/p>
A
锛?
B
锛?
C
锛?/p>
D
锛?/p>
3
锛庡凡鐭ョ洿绾?/p>
l
锛?/p>
m
锛屽钩闈?/p>
伪
銆?/p>
尾
銆?/p>
纬
锛岀粰鍑轰笅鍒楀懡棰橈細
鈶?/p>
l
鈭?/p>
伪
锛?/p>
l
鈭?/p>
尾
锛?/p>
伪
鈭?/p>
尾
锛?/p>
m
锛屽垯
l
鈭?/p>
m
锛?/p>
鈶∥?/p>
鈭?/p>
尾
锛?/p>
尾
鈭?/p>
纬
锛?/p>
m
鈯?/p>
伪
锛屽垯
m
鈯?/p>
纬
锛?/p>
鈶⑽?/p>
鈯?/p>
纬
锛?/p>
尾
鈯?/p>
纬
锛屽垯
伪
鈯?/p>
尾
锛?/p>
鈶?/p>
l
鈯?/p>
m
锛?/p>
l
鈯?/p>
伪
锛?/p>
m
鈯?/p>
尾
锛屽垯
伪
鈯?/p>
尾
锛?/p>
鍏朵腑姝ｇ‘鐨勫懡棰樻湁锛?/p>
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>
4
锛庡凡鐭?/p>
m
鈭?/p>
R
锛屸�滃嚱鏁?/p>
y
锛?/p>
2
x
+
m
锕?/p>
1
鏈夐浂鐐光�濇槸鈥滃嚱鏁?/p>
y
锛?/p>
log
m
x
鍦紙
0
锛?/p>
+
鈭烇級涓婁负鍑忓嚱鏁扳�?/p>
鐨勶紙
锛?/p>
A
锛庡厖鍒嗕笉蹇呰鏉′欢
B
锛庡繀瑕佷笉鍏呭垎鏉′欢
C
锛庡厖瑕佹潯浠?/p>
D
锛庢棦涓嶅厖鍒嗕篃涓嶅繀瑕佹潯浠?/p>
5
锛庤嫢鍑芥暟
f
锛?/p>
x
锛夛紳锕?/p>
cos
x
+
ax
涓哄鍑芥暟锛屽垯瀹炴暟
a
鐨勫彇鍊艰寖鍥翠负锛?/p>
锛?/p>
A
锛?/p>
[
锕?/p>
1
锛?/p>
+
鈭烇級
B
锛?/p>
[1
锛?/p>
+
鈭烇級
C
锛庯紙锕?/p>
1
锛?/p>
+
鈭烇級
D
锛庯紙
1
锛?/p>
+
鈭烇級
6
锛庝竴涓┖闂村嚑浣曚綋鐨勪笁瑙嗗浘濡傚浘锛屽垯璇ュ嚑浣曚綋鐨勪綋绉负锛?/p>
锛?/p>