Discuz Math Forum»Forum › Mathematics › High School › 编了个题目，不知道有没有问题－同事王编的

Return to list New

View 1881|Reply 2

[几何] 编了个题目，不知道有没有问题－同事王编的

[Copy link]

412 Threads	1432 Posts	3 Reputation

Send PM

realnumber posted 2014-5-14 11:53 |Read mode

Reply Edit 0

45 Threads	51 Posts	0 Reputation

Send PM

等待hxh posted 2014-5-14 13:30

题目没错，离心率为2，直接计算即可，或者特殊值代入亦可！

Reply Edit

84 Threads	2340 Posts	4 Reputation

Send PM

其妙 posted 2014-5-14 13:55

这是e=2的一个美妙性质。

Reply Edit

Return to list New

Quick Reply

× Quick Reply To Top Edit

2025-7-22 15:23 GMT+8

Powered by Discuz!

Processed in 0.011853 seconds, 25 queries