绗?/p>
1
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鍝堝伐澶ч檮涓?/p>
2019
鈥斺�?/p>
2019
瀛﹀勾搴﹀叓涓婃暟瀛﹀懆鑰冿紙鏈熸湯澶嶄範锛?/p>
涓�銆侀�夋嫨棰橈細
锛堟瘡灏忛
3
鍒嗭級
1
锛庝笅鍒楄绠楁纭殑鏄紙
锛?/p>
锛?/p>
A
锛?/p>
a
3
锛?/p>
a
2
=a
B
锛?/p>
(a
2
)
3
=a
5
C
锛?/p>
a
6
梅
a
2
=a
3
D
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a
2
路
a
3
=a
5
2
锛庡湪鈻?/p>
ABC
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AB=AC
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A=80
掳
锛屽垯鈭?/p>
B=
锛?/p>
锛夊害锛?/p>
A
锛?/p>
80
B
锛?/p>
60
C
锛?/p>
50
D
锛?/p>
50
鎴?/p>
80
3
锛庣偣
M
锛?/p>
-1
锛?/p>
2
锛夊叧浜?/p>
x
杞村绉扮殑鐐圭殑鍧愭爣涓猴紙
锛夛紟
A.
锛堬紞
1
锛岋紞
2
锛?/p>
B.
锛堬紞
1
锛?/p>
2
锛?/p>
C.
锛?/p>
1
锛岋紞
2
锛?/p>
D.
锛?/p>
2
锛岋紞
1
锛?/p>
4.
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A.
2
2
b
a
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飥?/p>
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2
2
b
a
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飥?/p>
C.
2
2
b
a
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D.
3
3
b
a
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5
锛庤嫢鎶婂垎寮?
y
x
y
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鐨?/p>
x
鍜?/p>
y
閮芥墿澶?/p>
2
鍊嶏紝閭ｄ箞鍒嗗紡鐨勫�硷紙
锛?/p>
锛?/p>
A
锛庢墿澶т袱鍊?/p>
B
锛庝笉鍙?/p>
C
锛庣缉灏忎袱鍊?/p>
D
锛庣缉灏忓洓鍊?/p>
6
锛庡寲绠�
2
2
9
3
m
m
m
飥?/p>
飥?/p>
鐨勭粨鏋滄槸锛?/p>
锛?/p>
锛?/p>
A
锛?
3
飥?/p>
m
m
B
锛?/p>
3
飥?/p>
飥?/p>
m
m
C
锛?/p>
3
飥?/p>
m
m
D
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m
m
飥?/p>
3
7
锛庡鍥撅紝鍦ㄢ柍
ABC
涓紝
AB
锛?/p>
AC
锛?/p>
15
锛?/p>
AB
鐨勫瀭鐩村钩鍒嗙嚎
DE
浜?/p>
AC
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D
锛?/p>
杩炵粨
BD
锛岃嫢鈻?/p>
DBC
鐨勫懆闀夸负
23
锛屽垯
BC
鐨勯暱涓猴紙
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锛?/p>
A
锛?/p>
6
B
锛?/p>
7
C
锛?/p>
8
D
锛?/p>
9
8
锛庢柟绋?
2
3
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x
锛?/p>
1
1
飥?/p>
x
鐨勮В涓猴紙
锛?/p>
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A
锛?/p>
x
锛?/p>
5
4
B
锛?/p>
x
锛濓紞
2
1
C
锛?/p>
x
锛濓紞
2
D
锛庢棤瑙?/p>
9
锛庣敱鍙冲浘浣犺兘鏍规嵁闈㈢Н鍏崇郴寰楀埌鐨勬暟瀛﹀叕寮忔槸锛?/p>
锛夛紟
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)(
(
2
2
b
a
b
a
b
a
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B.
2
2
2
2
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b
ab
a
b
a
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C.
2
2
2
2
)
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b
ab
a
b
a
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D.
ab
a
b
a
a
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飥?/p>
2
)
(
10
锛庝娇鍒嗗紡
x
x
x
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2
鐨勫�间负
0
鐨?/p>
x
鐨勫�间负锛?/p>
锛?/p>
锛?/p>
A
锛?/p>
0
B
锛?/p>
1
C
锛?/p>
-1
D
锛庝笉瀛樺湪
浜屻�佸～绌洪锛?/p>
锛堟瘡灏忛
3
鍒嗭級
11
锛庡綋
x
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1
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x
x
鏈夋剰涔夛紟
12
锛庣敤绉戝璁℃暟娉曡〃绀猴細
0.0000927=
.
13
锛庤绠楋細
飥?/p>
飪?/p>
飥?/p>
4
3
2
a
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a
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D
E
B
C
A
7
棰樺浘
9
棰樺浘