娴欐暀鐗堝垵涓暟瀛﹁瘯鍗?/p>
2019-2020
骞翠竷骞寸骇鏁板涓嬪唽銆婁笁瑙掑舰鐨勫垵姝ヨ璇嗐�?
绮鹃�夎瘯鍗?/p>
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
璇勫嵎浜?/p>
寰楀垎
涓�銆侀�夋嫨棰?/p>
1
锛?/p>
(2
鍒?/p>
)
濡傚浘锛岀嚎娈?/p>
AC
銆?/p>
BD
浜や簬鐐?/p>
0
锛屼笖
AO=CO
锛?/p>
BO=DO
锛屽垯鍥句腑鍏ㄧ瓑涓夎褰㈢殑瀵规暟
鏈夛紙
锛?/p>
A
锛?/p>
1
瀵?/p>
B
锛?/p>
2
瀵?/p>
C
锛?/p>
3
瀵?/p>
D
锛?/p>
4
瀵?/p>
2
锛?/p>
(2
鍒?/p>
)
濡傚浘锛屾妸鍥惧舰娌?/p>
BC
瀵规姌锛岀偣
A
鍜岀偣
D
閲嶅悎锛岄偅涔堝浘涓叡鏈夊叏绛変笁瑙掑舰锛?/p>
锛?/p>
A
锛?/p>
1
瀵?/p>
B
锛?/p>
2
瀵?/p>
C
锛?/p>
3
瀵?/p>
D
锛?/p>
4
瀵?/p>
3
锛?/p>
(2
鍒?/p>
)
濡傚浘锛屽凡鐭モ柍
ABC
鈮屸柍
CDE
锛屽叾涓?/p>
AB=CD
锛岄偅涔堝垪缁撹涓紝涓嶆纭殑鏄紙
锛?/p>
A
锛?/p>
AC=CE
B
锛?/p>
鈭?/p>
BAC=
鈭?/p>
DCE
C
锛庘垹
ACB=
鈭?/p>
ECD
D
锛?/p>
鈭?/p>
B=
鈭?/p>
D
4
锛?/p>
(2
鍒?/p>
)
鍦ㄢ柍
ABC
涓紝涓変釜鍐呰婊¤冻浠ヤ笅鍏崇郴锛氣垹
A=
1
2
鈭?/p>
B=
1
3
鈭?/p>
C
锛岄偅涔堣繖涓笁瑙掑舰鏄?
锛?/p>
锛?/p>
A
锛庣洿瑙掍笁瑙掑舰
B
锛庨攼瑙掍笁瑙掑舰
C
锛庨挐瑙掍笁瑙掑舰
D
锛庝换鎰忎笁瑙掑舰