

•
2.5
-ttt1010-
♂
(0 bytes)
()
11/28/2025 postreply
18:17:14
•
正确!有步骤/解答吗?
-Yeli9008-
♂
(0 bytes)
()
11/28/2025 postreply
18:23:29
•
可以算出。 也可以画辅助线证明两小三角形相似
-ttt1010-
♂
(0 bytes)
()
11/28/2025 postreply
18:48:24
•
详细一点
-ttt1010-
♂
(380 bytes)
()
11/28/2025 postreply
19:06:21
•
这个方法最简单:-)
-Jessy99-
♀
(0 bytes)
()
11/28/2025 postreply
19:17:20
•
脑里列方程算出2.5
-3-D-
♂
(167 bytes)
()
11/28/2025 postreply
18:29:08
•
2.5
-神气活现-
♀
(81 bytes)
()
11/28/2025 postreply
18:45:08
•
GE is longer than GF !
-Yeli9008-
♂
(0 bytes)
()
11/28/2025 postreply
18:49:37
•
方程列对了,刚才解错了,现在对了
-神气活现-
♀
(0 bytes)
()
11/28/2025 postreply
18:54:40
•
Similar triangles EAG ~ GBC (length ratio 1:2)
-Yeli9008-
♂
(0 bytes)
()
11/28/2025 postreply
19:01:17
•
(2+y)^2-(2-y)^2=4
-3-D-
♂
(0 bytes)
()
11/28/2025 postreply
18:52:38
WENXUECITY.COM does not represent or guarantee the truthfCCPA ulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy