2019
骞存渤鍗楃渷涓�冨師鍒涙娂棰樻暟瀛﹁瘯鍗凤紙涓�锛夊惈绛旀瑙ｆ瀽
涓�銆侀�夋嫨棰橈細鏈ぇ棰樺叡
8
灏忛锛屾瘡灏忛
3
鍒嗭紝鍏?/p>
24
鍒?/p>
1
锛庝笅闈㈢殑鏁颁腑锛屼笌锕?/p>
2
鐨勫拰涓?/p>
0
鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
B
锛庯梗
C
锛?/p>
2
D
锛庯梗
2
2
锛庝笅鍒楄绠楁纭殑鏄紙
锛?/p>
A
锛?/p>
2
+4
=6
B
锛?
=4
C
锛?
梅
=3
D
锛?
=
锕?/p>
3
3
锛庡彂灞曞伐涓氭槸寮哄浗涔嬫ⅵ鐨勯噸瑕佷妇鎺紝濡傚浘鎵�绀洪浂浠剁殑宸﹁鍥炬槸锛?/p>
锛?/p>
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
锛?/p>
4
锛庤偂绁ㄦ瘡澶╃殑娑ㄣ�佽穼骞呭潎涓嶈兘瓒呰繃
10%
锛屽嵆褰撴定浜嗗師浠风殑
10%
鍚庯紝渚夸笉鑳藉啀娑紝鍙仛娑ㄥ仠锛涘綋璺屼簡鍘熶环鐨?/p>
10%
鍚庯紝渚夸笉鑳藉啀璺岋紝鍙仛璺屽仠锛庡凡鐭ヤ竴鍙偂绁ㄦ煇澶╄穼鍋滐紝涔嬪悗涓ゅぉ鏃堕棿鍙堟定鍥炲埌鍘熶环锛庤嫢杩欎袱澶╂鑲＄エ鑲′环鐨勫钩
鍧囧闀跨巼涓?/p>
x
锛屽垯
x
婊¤冻鐨勬柟绋嬫槸锛?/p>
锛?/p>
A
锛?/p>
锛?/p>
1+x
锛?/p>
2
=
B
锛?/p>
锛?/p>
1+x
锛?/p>
2
=
C
锛?/p>
1+2x=
D
锛?/p>
1+2x=
5
锛庢姣斾緥鍑芥暟
y=6x
鐨勫浘璞′笌鍙嶆瘮渚嬪嚱鏁?/p>
y=
鐨勫浘璞＄殑浜ょ偣浣嶄簬锛?/p>
锛?/p>
A
锛庣涓�璞￠檺
B
锛庣浜岃薄闄?/p>
C
锛庣涓夎薄闄?/p>
D
锛庣涓�銆佷笁璞￠檺
6
锛庡皬鏄庢槸鎴戞牎鎵嬪伐绀惧洟鐨勪竴鍛橈紝浠栧湪鍋氭姌绾告墜宸ワ紝濡傚浘鎵�绀哄湪鐭╁舰
ABCD
涓紝
AB=6
锛?/p>
BC=8
锛岀偣
E
鏄?/p>
BC
鐨勪腑鐐癸紝
鐐?/p>
F
鏄竟
CD
涓婄殑浠绘剰涓�鐐癸紝鈻?/p>
AEF
鐨勫懆闀挎渶灏忔椂锛屽垯
DF
鐨勯暱涓猴紙
锛?/p>
A
锛?/p>
1
B
锛?/p>
2
C
锛?/p>
3
D
锛?/p>
4
7
锛庡鏋滀竴缁勬暟鎹?/p>
a
1
锛?/p>
a
2
锛屸�︼紝
a
n
鐨勬柟宸槸
2
锛岄偅涔堜竴缁勬柊鏁版嵁
2a
1
+1
锛?/p>
2a
2
+1
锛屸�︼紝
2a
n
+1
鐨勬柟宸槸锛?/p>
锛?/p>
A
锛?/p>
2
B
锛?/p>
3
C
锛?/p>
4
D
锛?/p>
8
8
锛庡鍥撅紝鐭╁舰
ABCD
涓紝
AB=3
锛?/p>
BC=4
锛屽姩鐐?/p>
P
浠?/p>
A
鐐瑰嚭鍙戯紝鎸?/p>
A鈫払鈫扖
鐨勬柟鍚戝湪
AB
鍜?/p>
BC
涓婄Щ鍔紝璁?/p>
PA=x
锛岀偣
D
鍒扮洿绾?/p>
PA
鐨勮窛绂讳负
y
锛屽垯
y
鍏充簬
x
鐨勫嚱鏁板浘璞″ぇ鑷存槸锛?/p>
锛?/p>
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
锛?/p>
浜屻�佸～绌洪锛氭瘡灏忛
3
鍒嗭紝鍏?/p>
21
鍒?/p>