鏁板璇曞嵎
绗?/p>
28
绔犲浘褰㈢殑鐩镐技涓庝綅浼?/p>
涓�銆侀�夋嫨棰?/p>
1.
锛?/p>
2019
娴欐睙閲戝崕锛?/p>
9
锛?/p>
3
鍒嗭級濡傚浘锛岃タ瀹夎矾涓庡崡浜矾骞宠锛屽苟涓斾笌鍏竴琛楀瀭鐩达紝鏇欏厜璺笌
鐜煄璺瀭鐩?/p>
.
濡傛灉灏忔槑绔欏湪鍗椾含璺笌鍏竴琛楃殑浜ゅ弶鍙ｏ紝鍑嗗鍘讳功搴楋紝鎸夊浘涓殑琛楅亾琛岃蛋锛?/p>
鏈�杩戠殑璺▼绾︿负锛?/p>
锛?/p>
A
.
600m
B
.
500m
C
.
400m
D
.
300m
鍖?
鐜煄璺?
鏇?/p>
鍏?/p>
璺?/p>
瑗垮畨璺?
鍗椾含璺?
涔﹀簵
鍏?/p>
涓�
琛?
400m
400m
300m
銆愮瓟妗堛�?/p>
B
2.
锛?/p>
2019
瀹夊窘锛?/p>
9
锛?/p>
4
鍒嗭級
濡傚浘锛?/p>
鍥涜竟褰?/p>
ABCD
涓紝
鈭?/p>
BAD
=
鈭?/p>
ADC
=90掳
锛?/p>
AB
=
AD
=2
2
锛?/p>
CD
=
2
锛?
鐐?/p>
P
鍦ㄥ洓杈瑰舰
ABCD
鐨勮竟涓婏紟鑻?/p>
P
鍒?/p>
BD
鐨勮窛绂讳负
3
2
锛屽垯鐐?/p>
P
鐨勪釜鏁颁负锛?/p>
锛?/p>
A
锛?/p>
1
B
锛?/p>
2
C
锛?/p>
3
D
锛?/p>
4
銆愮瓟妗堛�?/p>
B
3.
锛?/p>
2019
骞夸笢涓滆帪锛?/p>
31,3
鍒嗭級灏嗗乏涓嬪浘涓殑绠ご缂╁皬鍒板師鏉ョ殑
1
2
锛屽緱鍒扮殑鍥惧舰鏄紙
锛?/p>