2019
骞翠腑鑰冩暟瀛︿笓椤硅缁?/p>
---
閫夋嫨棰樺帇杞撮
1.
鏌愪汉椹捐溅浠?/p>
A
鍦颁笂楂橀�熷叕璺墠寰�
B
鍦帮紝
涓�斿湪鏈嶅姟鍖轰紤鎭簡涓�娈垫椂
闂达紟鍑哄彂鏃舵补绠变腑瀛樻补
40
鍗囷紝鍒?/p>
B
鍦板悗鍙戠幇娌圭涓繕鍓╂补
4
鍗囷紝鍒?/p>
浠庡嚭鍙戝悗鍒?/p>
B
鍦版补绠变腑鎵�鍓╂补
y
锛堝崌锛変笌鏃堕棿
t
锛堝皬鏃讹級涔嬮棿鍑芥暟鐨?/p>
澶ц嚧鍥捐薄鏄紙
锛?/p>
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
锛?/p>
2.
濡傚浘锛屾鏂瑰舰
ABCD
鐨勪袱杈?/p>
BC
锛?/p>
AB
鍒嗗埆鍦ㄥ钩闈㈢洿瑙掑潗鏍囩郴鐨?/p>
x
杞淬�?/p>
y
杞寸殑姝ｅ崐杞翠笂锛屾鏂瑰舰
A鈥睟鈥睠鈥睤鈥?/p>
涓庢鏂瑰舰
ABCD
鏄互
AC
鐨勪腑
鐐?/p>
O鈥?/p>
涓轰腑蹇冪殑浣嶄技鍥惧舰锛屽凡鐭?/p>
AC=3
锛岃嫢鐐?/p>
A鈥?/p>
鐨勫潗鏍囦负锛?/p>
1
锛?/p>
2
锛?/p>
锛?
鍒欐鏂瑰舰
A鈥睟鈥睠鈥睤鈥?/p>
涓庢鏂瑰舰
ABCD
鐨勭浉浼兼瘮鏄紙
锛?/p>
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
锛?/p>