2019
骞撮珮涓暟瀛﹀崟鍏冩祴璇曡瘯棰?/p>
骞抽潰鍚戦噺涓撻锛堝惈绛?
妗堬級
瀛︽牎锛?/p>
__________
濮撳悕锛?/p>
__________
鐝骇锛?/p>
__________
鑰冨彿锛?/p>
__________
棰樺彿
涓�
浜?/p>
涓?/p>
鎬诲垎
寰楀垎
绗?/p>
I
鍗凤紙閫夋嫨棰橈級
璇风偣鍑讳慨鏀圭
I
鍗风殑鏂囧瓧璇存槑
涓�銆侀�夋嫨棰?/p>
1
锛?/p>
璁惧悜閲?/p>
飥?/p>
飥?/p>
1,0
飥?/p>
a
锛?/p>
1
1
,
2
2
飪?/p>
飪?
飥?/p>
飪?
飪?/p>
飪?/p>
飪?
b
锛屽垯涓嬪垪缁撹涓纭殑鏄紙
锛?/p>
A
銆?/p>
飥?/p>
a
b
B
銆?/p>
2
2
飩?/p>
飥?
a
b
C
銆?/p>
飥?/p>
a
b
涓?/p>
b
鍨傜洿
D
銆?/p>
a
鈭?/p>
b
锛?/p>
2010
瀹夊窘
鐞嗭級
2
锛?/p>
鍦?/p>
Rt
ABC
飦?/p>
涓紝
C
飪?/p>
=9
0
掳
AC=4
锛屽垯
AB
AC
飪?/p>
uu
u
r
uuu
r
绛変簬锛?/p>
锛?/p>
A
銆?/p>
-16 B
銆?/p>
-8 C
銆?/p>
8 D
銆?/p>
16
锛?/p>
2010
婀栧崡鐞?/p>
4
锛?/p>
3
锛?/p>
鑻ュ悜閲?/p>
(3,
)
a
m
飥?/p>
锛?/p>
(2,
1)
b
飥?/p>
飥?/p>
锛?/p>
0
a
b
飥?/p>
锛屽垯瀹炴暟
m
鐨勫�间负锛?/p>
锛?/p>
锛?/p>
A
锛?/p>
3
2
飥?
锛?/p>
B
锛?/p>
3
2
锛?/p>
C
锛?/p>
2
锛?/p>
D
锛?/p>
6
锛?/p>
2010
閲嶅簡鏂?/p>
3
锛?/p>
4
锛?/p>
濡傚浘锛屽湪骞宠鍥涜竟褰?/p>
ABCD
涓紝涓嬪垪缁撹涓敊璇殑鏄紙
锛?/p>
锛?/p>
A
锛?/p>
AB
DC
飥?/p>
锛?/p>
锛?/p>
B
锛?/p>
AD
AB
AC
飥?/p>
飥?/p>
锛涳紙
C
锛?/p>
AB
AD
BD
飥?/p>
飥?/p>
锛?/p>
锛?/p>
D
锛?
A
B
C
D