鈥?/p>
涓冨勾绾?/p>
(
鍒濅竴
)
鏁板绛旀绗?/p>
1
椤?/p>
鈥?/p>
2018
鈥?/p>
2019
瀛﹀勾搴︾涓�瀛︽湡鏈熸湯娴嬭瘯鍗?/p>
涓冨勾绾?/p>
(
鍒濅竴
)
鏁板鍙傝�冪瓟妗堝強璇勫垎鎰忚
涓�銆侀�夋嫨棰橈紙鏈ぇ棰樺叡
8
灏忛锛屾瘡灏忛
3
鍒嗭紝鍏?/p>
24
鍒嗭級
1
锛?/p>
C
锛?/p>
2
锛?/p>
B
锛?/p>
3
锛?/p>
D
锛?/p>
4
锛?/p>
B
锛?/p>
5
锛?/p>
C
锛?/p>
6
锛?/p>
D
锛?/p>
7
锛?/p>
A
锛?/p>
8
锛?/p>
B
锛?/p>
浜屻�佸～绌洪锛堟湰澶ч鍏?/p>
6
灏忛锛屾瘡灏忛
3
鍒嗭紝鍏?/p>
18
鍒嗭級
9
锛庯梗
2
锛?/p>
10
锛?/p>
9
锛?/p>
11
锛庯梗
2
锛?/p>
12
锛?/p>
50掳
鎴?/p>
130掳
锛?/p>
13
锛?/p>
7
锛?/p>
14
锛?/p>
1
鎴?/p>
7
鎴栵梗
5
锛?/p>
涓夈�佽В绛旈锛堟湰澶ч鍏?/p>
4
灏忛锛屾瘡灏忛
6
鍒嗭紝鍏?/p>
24
鍒嗭級
15
锛庤В锛?/p>
锛?/p>
1
锛夊師寮?/p>
=
1
4
(
)
16
(
8)
2
飩?/p>
飥?/p>
飥?/p>
飩?/p>
飥?/p>
鈥︹�︹�︹�︹�?/p>
2
鍒?/p>
2
2
0
飥?/p>
飥?/p>
飥?/p>
飥?/p>
锛?/p>
鈥︹�︹�︹�︹�?/p>
3
鍒?/p>
锛?/p>
2
锛夊師寮?/p>
=16掳
4
鈥?/p>
42
鈥?/p>
脳
3
鈥︹�︹�︹�︹�?/p>
2
鍒?/p>
=48掳
14
鈥?/p>
6
鈥?/p>
锛?/p>
鈥︹�︹�︹�︹�?/p>
3
鍒?/p>
16
锛庤В锛?/p>
锛?/p>
1
锛夊幓鍒嗘瘝锛屽緱
3(1
锛?/p>
x
)=2(
x
锛?/p>
2)
锛?/p>
6
锛?/p>
鍘绘嫭鍙凤紝寰?/p>
3
锛?/p>
3
x
=2
x
+4
锛?/p>
6
锛?/p>
鈥︹�︹�︹�︹�?/p>
1
鍒?/p>
绉婚」鍚堝苟锛屽緱锛?/p>
5
x
=
锕?/p>
5
锛?/p>
鈥︹�︹�︹�︹�?/p>
2
鍒?/p>
绯绘暟鍖栦负
1
锛屽緱
x
=1
锛?/p>
鈥︹�︹�︹�︹�?/p>
3
鍒?/p>
锛?/p>
2
锛夊師寮?/p>
=8
锛?/p>
6
a
2
锛?/p>
3
a
锛?/p>
6
a
2
鈥︹�︹�︹�︹�?/p>
1
鍒?/p>
=
锛?/p>
3
a
锛?/p>
8
锛?/p>
鈥︹�︹�︹�︹�?/p>
2
鍒?/p>
褰?/p>
a
=
锛?/p>
2
鏃讹紝
鍘熷紡
=
锕?/p>
3
脳
(
锛?/p>
2)
锛?/p>
8=14
锛?/p>
鈥︹�︹�︹�︹�?/p>
3
鍒?/p>
17
锛庤В锛氬綋鐐?/p>
C
鍦ㄧ嚎娈?/p>
AB
涓婃椂锛屾湁
AC
=
AB
锛?/p>
BC
=4cm
锛?/p>
鈥︹�︹�︹�︹�?/p>
1
鍒?/p>
鈭电偣
M
鏄?/p>
AC
鐨勪腑鐐癸紝鈭?/p>
AM
=
1
2
AC
=2cm
锛?/p>
鈥︹�︹�︹�︹�?/p>
3
鍒?/p>
褰撶偣
C
鍦ㄧ嚎娈?/p>
AB
寤堕暱绾夸笂鏃讹紝鏈?/p>
AC
=
AB
锛?/p>
BC
=10cm
锛庘�︹�︹�︹�︹�?/p>
4
鍒?/p>
鈭电偣
M
鏄?/p>
AC
鐨勪腑鐐癸紝鈭?/p>
AM
=
1
2
AC
=5cm
锛?/p>
鈥︹�︹�︹�︹�?/p>
6
鍒?/p>
18
锛庤В锛?/p>
锛?/p>
1
锛夆埖
飦?/p>
飪?/p>
锛?/p>
飦?/p>
飪?/p>
=180掳
锛?/p>
飦?/p>
飪?/p>
锛?/p>
飦?/p>
飪?/p>
=180掳
锛屸埓
飦?/p>
飪?/p>
=
飦?/p>
飪?/p>
锛?/p>
鈥︹�︹�︹�︹�?/p>
1
鍒?/p>
鈭?/p>
2
n
锛?/p>
5=65
锛?/p>
n
锛?/p>
鈥︹�︹�︹�︹�?/p>
2
鍒?/p>
瑙ｅ緱
n
=20
锛?/p>
鈥︹�︹�︹�︹�?/p>
3
鍒?/p>
锛?/p>
2
锛?/p>
飦?/p>
飪?/p>
涓?/p>
飦?/p>
飪?/p>
浜掍綑锛屽叾鐞嗙敱鏄細
鐢憋紙
1
锛夌煡
飦?/p>
飪?/p>
=45 掳
锛?/p>
飦?/p>
飪?/p>
=45掳
锛?/p>
鈥︹�︹�︹�︹�?/p>
4
鍒?/p>
鈭?/p>
飦?/p>
飪?/p>
锛?/p>
飦?/p>
飪?/p>
=45 掳
锛?/p>
45 掳
=90 掳
锛?/p>
鈥︹�︹�︹�︹�?/p>
5
鍒?/p>
鈭?/p>
飦?/p>
飪?/p>
涓?/p>
飦?/p>
飪?/p>
浜掍綑锛?/p>
鈥︹�︹�︹�︹�?/p>
6
鍒?/p>
鍥涖�佽В绛旈锛堟湰澶ч鍏?/p>
3
灏忛锛屾瘡灏忛
8
鍒嗭紝鍏?/p>
24
鍒嗭級
19
锛庤В锛?/p>
锛?/p>
1
锛夆埖锛?/p>
x
锛岋紞
2
锛夋槸鈥滃叡鐢熸暟瀵光�?/p>
锛屸埓
x
锛?/p>
2=
锛?/p>
2
x
锛?/p>
1
锛?/p>
鈥︹�︹�︹�︹�?/p>
1
鍒?/p>
瑙ｅ緱
x
=
1
3
锛?/p>
鈥︹�︹�︹�︹�?/p>
3
鍒?/p>
锛?/p>
2
锛夆埖锛?/p>
m
锛?/p>
n
锛夋槸鈥滃叡鐢熸暟瀵光�?/p>
锛?/p>
鈭?/p>
m
锛?/p>
n
=
mn
锛?/p>
1
锛?/p>
鈥︹�︹�︹�︹�?/p>
4
鍒?/p>
鈭?/p>
n
锛?/p>
m
=
m
锛?/p>
n
=
mn
锛?/p>
1=
nm
锛?/p>
1
锛?/p>
鈥︹�︹�︹�︹�?/p>
5
鍒?/p>
鈭达紙
n
锛?/p>
m
锛変篃鏄�滃叡鐢熸暟瀵光�?/p>
锛?/p>
鈥︹�︹�︹�︹�?/p>
6
鍒?/p>