2019-2020
骞翠腑鑰冩暟瀛︿笓棰樺涔犻鍨嬪叓瑙勫緥涓庣寽鎯冲惈瑙ｆ瀽
1.
锛?/p>
xx
鍥涘窛鐪佺坏闃冲競锛夊鍥炬墍绀猴紝灏嗗舰鐘躲�佸ぇ灏忓畬鍏ㄧ浉鍚岀殑鈥溾棌鈥濆拰绾挎鎸夌収涓�瀹氳寰嬫憜鎴愪笅鍒楀浘褰紝绗?/p>
1
骞呭浘褰?/p>
涓�溾棌鈥濈殑涓暟涓?/p>
a
1
锛岀
2
骞呭浘褰腑鈥溾棌鈥濈殑涓暟涓?/p>
a
2
锛岀
3
骞呭浘褰腑鈥溾棌鈥濈殑涓暟涓?/p>
a
3
锛屸�︼紝浠ユ绫绘帹锛屽垯鐨勫�?/p>
涓?/p>
锛?/p>
锛?/p>
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
锛?/p>
銆愮瓟妗堛�?/p>
C
锛?/p>
鑰冪偣锛?/p>
1
锛庤寰嬪瀷锛氬浘褰㈢殑鍙樺寲绫伙紱
2
锛庣患鍚堥锛?/p>
2
锛?/p>
锛?/p>
xx
鍥涘窛鐪佽揪宸炲競锛夊鍥撅紝灏嗙煩褰?/p>
ABCD
缁曞叾鍙充笅瑙掔殑椤剁偣鎸夐『鏃堕拡鏂瑰悜鏃嬭浆
9
0掳鑷冲浘鈶犱綅缃紝缁х画缁曞彸涓嬭鐨?/p>
椤剁偣鎸夐『鏃堕拡鏂瑰悜鏃嬭浆
90
掳鑷冲浘鈶′綅缃紝浠ユ绫绘帹锛岃繖鏍疯繛缁棆杞?/p>
xx
娆?/p>
锛庤嫢
AB=4
锛?/p>
AD=3
锛屽垯椤剁偣
A
鍦ㄦ暣涓棆杞繃
绋嬩腑鎵�缁忚繃鐨勮矾寰勬�婚暱涓猴紙
锛?/p>
A
锛巟x蟺
B
锛?034蟺
C
锛?024蟺
D
锛?026蟺
銆愮瓟妗堛�?/p>
D
锛?/p>
鑰冪偣锛?/p>
1
锛庤建杩癸紱
2
锛庣煩褰㈢殑鎬ц川锛?/p>
3
锛庢棆杞殑鎬ц川锛?/p>
4
锛庤寰嬪瀷锛?/p>
5
锛庣患鍚堥锛?/p>
3
锛?/p>
锛?/p>
xx
姹熻嫃鐪佽繛浜戞腐甯傦級濡傚浘鎵�绀猴紝涓�鍔ㄧ偣浠庡崐寰勪负
2
鐨勨姍O
涓婄殑
A
0
鐐瑰嚭鍙戯紝娌跨潃灏勭嚎
A
0
O
鏂瑰悜杩愬姩鍒扳姍
O
涓婄殑鐐?/p>
A
1
澶勶紝鍐嶅悜宸︽部鐫�涓庡皠绾?/p>
A
1
O
澶硅涓?/p>
60掳鐨勬柟鍚戣繍鍔ㄥ埌鈯?/p>
O
涓婄殑鐐?/p>
A
2
澶勶紱鎺ョ潃鍙堜粠
A
2
鐐瑰嚭鍙戯紝娌跨潃灏勭嚎
A
2
O
鏂瑰悜杩?/p>
鍔ㄥ埌鈯?/p>
O
涓婄殑鐐?/p>
A
3
澶勶紝鍐嶅悜宸︽部鐫�涓庡皠绾?/p>
A
3
O
澶硅涓?/p>
60
掳鐨勬柟鍚戣繍鍔ㄥ埌鈯?/p>
O
涓婄殑鐐?/p>
A
4
澶勶紱鈥︽寜姝よ寰嬭繍鍔ㄥ埌鐐?/p>
A
xx
澶勶紝鍒欑偣
A
xx
涓庣偣
A
0
闂寸殑璺濈鏄紙
锛?/p>
A
锛?/p>
4
B
锛?/p>
C
锛?/p>
2
D
锛?/p>
0
銆愮瓟妗堛�?/p>
A
锛?/p>
銆愯В鏋愩�戝鍥撅紝鈭碘姍
O
鐨勫崐寰?/p>
=2
锛岀敱棰樻剰寰楋紝
OA
1
=4
锛?/p>
OA
2
=
锛?/p>
OA
3
=2
锛?/p>
OA
4
=
锛?/p>
OA
5
=2
锛?/p>
OA
6
=0
锛?/p>
OA
7
=4
锛屸�?/p>
