用高考数学题考一下AMC10/AMC12和AIME娃

这个题会做吗？需要多长时间？

The distance of two selected points on y^2=x is 3, find the midpoint of this two points which has the minimum distance to y-axis.

所有跟帖： 

• < 1 minute? -calligraphy- ♂ (0 bytes) () 02/14/2017 postreply 10:55:55

• 10-20mins吧 -wzg69- ♂ (48 bytes) () 02/14/2017 postreply 10:59:32

• 再仔细点 -wzg69- ♂ (36 bytes) () 02/14/2017 postreply 11:07:27

• 不对 -wzg69- ♂ (0 bytes) () 02/14/2017 postreply 11:14:11

• how to get y1=3+y2 -wzg69- ♂ (0 bytes) () 02/14/2017 postreply 11:32:21

• 考娃的啊 -wzg69- ♂ (89 bytes) () 02/14/2017 postreply 11:35:02

• 这是第几题啊？多少分？ -cutedolphin- ♂ (0 bytes) () 02/14/2017 postreply 12:06:14

• 倒数第1题 10分/总分120 -wzg69- ♂ (156 bytes) () 02/14/2017 postreply 12:10:47

• minimum distance = 5/4 -BeLe- ♀ (0 bytes) () 02/14/2017 postreply 11:39:12

• 对的 -wzg69- ♂ (184 bytes) () 02/14/2017 postreply 11:41:02

• 你很牛了 -wzg69- ♂ (229 bytes) () 02/14/2017 postreply 12:07:18

• 儿子做出来了？ -wzg69- ♂ (29 bytes) () 02/14/2017 postreply 19:24:05

• 这道题看答案是懂了 -wzg69- ♂ (95 bytes) () 02/14/2017 postreply 20:06:16