Monday, September 8, 2014

គណិតវិទ្យាជុំវិញពិភពលោក​ (ភាគ១) - Mathematics Around The World (One)


Mathematics around the world 1! It is a book which published to help outstanding students in grade 12. Please, wait for another part! Happy learning! Please click the link down below to download:

Link 1                    Link 2                    Link 3

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