Monday, July 21, 2008

quadratic equation 1

quadratic equation
lesson : 1


Alvin said...

Really nice video. You explained it clearly. It's a flawless video. I hope that this blog will become a useful blog for every body.

mamo. said...

thanks, i hope too.

Peter Chen @ Enviroman (Blog*Star) said...

Hi Mamo,

Selamat hari. Terima kasih kerana mengkomen pada pos saya Google sitemap>. Saya pun sudah memberi maklumbalas.


mamo. said...

thanks vin, i hope too.

lazzie said...

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it's free....

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