The thing is i have to write the formular for the comparison

所有跟帖: 

这我帮不了忙了。全还给老师了。得找花街的金领铁匠们。 -vest2005- 给 vest2005 发送悄悄话 vest2005 的博客首页 (0 bytes) () 08/01/2016 postreply 19:30:40

I think I can break it down and calculate it step by step. -glueck- 给 glueck 发送悄悄话 (0 bytes) () 08/01/2016 postreply 19:33:37

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