1
甯屾湜鏁欒偛
2019
骞翠腑鑰冩暟瀛︿竴杞涔犺涔?/p>
瀛︾敓锛氬叏鎱?/p>
绗竴璁?/p>
鐩镐技涓夎褰?/p>
1
銆佹瘮渚?/p>
瀵逛簬鍥涙潯绾挎
a
锛?/p>
b
锛?/p>
c
锛?/p>
d
锛屽鏋滃叾涓袱鏉＄嚎娈电殑姣?/p>
(
鍗冲畠浠暱搴︾殑姣?/p>
)
涓庡彟涓ゆ潯绾挎鐨勬瘮
鐩哥瓑锛屽
a
c
b
d
飥?
(
鍗?/p>
ab
锛?/p>
bc
)
锛屾垜浠氨璇磋繖鍥涙潯绾挎鏄垚姣斾緥绾挎锛岀畝绉版瘮渚嬬嚎娈碉紟
1.
鑻?
3
2
2
飥?/p>
飥?/p>
y
y
x
,
鍒?/p>
_____
飥?/p>
y
x
锛?/p>
2
锛庝互涓嬪垪闀垮害锛堝悓涓�鍗曚綅锛変负闀跨殑鍥涙潯绾挎涓紝涓嶆垚姣斾緥鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
2
锛?/p>
5
锛?/p>
10
锛?/p>
25
B
锛?/p>
4
锛?/p>
7
锛?/p>
4
锛?/p>
7 C
锛?/p>
2
锛?/p>
0.5
锛?/p>
0.5
锛?/p>
4
D
锛?/p>
2
锛?/p>
5
锛?/p>
5
2
锛?/p>
2
5
3
锛庤嫢
a
鈭?/p>
3 =
b
鈭?/p>
4 =
c
鈭?/p>
5 ,
涓?/p>
6
飥?/p>
飥?/p>
飥?/p>
c
b
a
,
鍒?/p>
______
_____,
____,
飥?/p>
飥?/p>
飥?/p>
c
b
a
锛?/p>
4
锛?/p>
锛氳嫢
4
3
飥?/p>
飥?/p>
飥?/p>
f
e
d
c
b
a
,
鍒?/p>
______
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
f
d
b
e
c
a
5
銆佸凡鐭?/p>
0
2
3
a
b
飥?/p>
鈮?/p>
锛屾眰浠ｆ暟寮?/p>
飥?/p>
飥?/p>
2
2
5
2
2
4
a
b
a
b
a
b
飥?/p>
飪?/p>
飥?/p>
飥?/p>
鐨勫�硷紟
2
銆?/p>
骞宠绾垮垎绾挎鎴愭瘮渚?/p>
瀹氱悊锛氬钩
琛岀嚎鍒?/p>
绾挎鎴?/p>
姣斾緥
瀹氱悊鎸囩殑
鏄袱鏉＄洿绾胯涓�缁勫钩琛岀嚎锛堜笉灏戜簬
3
鏉★級鎵�鎴紝鎴緱鐨勫搴旂嚎娈电殑闀?
搴︽垚姣斾緥
銆?/p>
鎺ㄨ锛氬钩
琛屼簬涓?/p>
瑙掑舰涓�
杈圭殑
鐩寸嚎锛屾埅
鍏朵粬涓よ竟锛堟垨涓よ竟寤堕暱绾匡級鎵�寰楃殑瀵瑰簲绾挎鎴愭瘮渚嬨�?/p>
缁?/p>
涔?/p>
1
锛?/p>
濡?/p>
涓?/p>
鍥?/p>
锛?/p>
EF
鈭?/p>
BC
锛?/p>
鑻?/p>
AE
鈭?/p>
EB=2
鈭?/p>
1,EM=1,MF=2,
鍒?/p>
AM
鈭?/p>
AN=____,BN
鈭?/p>
NC=_____
2
銆?/p>
宸?/p>
鐭?/p>
锛?/p>
濡?/p>
鍥?/p>
锛?/p>
ABCD
锛?/p>
E
涓?/p>
BC
鐨?/p>
涓?/p>
鐐?/p>
锛?/p>
BF
锔?/p>
FA
锛?/p>
1
锔?/p>
2
锛?/p>
EF
涓?/p>
瀵?/p>
瑙?/p>
绾?/p>
BD
鐩?/p>
浜?/p>
浜?/p>
G
锛?/p>
姹?/p>
BG
锔?/p>
BD
銆?/p>
3
銆佸鍥撅紝鍦?/p>
螖
ABC
涓紝
EF//DC
锛?/p>
DE//BC
锛屾眰璇侊細
锛?/p>
1
锛?/p>
AF
锔?/p>
FD
锛?/p>
AD
锔?/p>
DB
锛?/p>
锛?/p>
2
锛?/p>
AD
2
锛?/p>
AF
路
AB
銆?/p>
3
銆佺浉浼间笁瑙掑舰鐨勫垽瀹氭柟娉?/p>
鍒ゅ畾
0.
骞宠浜庝笁瑙掑舰涓�杈圭殑鐩寸嚎涓庡叾浠栦袱杈规垨涓よ竟寤堕暱绾跨浉浜わ紝鎵�鎴緱鐨勪笁瑙掑舰涓?/p>