小學數學

http://so.tudou.com/isearch/%E5%B0%8F%E5%AD%B8%E6%95%B8%E5%AD%B8/

小學六年級分數乘法

http://www.tudou.com/programs/view/o9zc2_buuQo/

筆算除法 http://www.tudou.com/programs/view/0TV7AsKTgQM/

小學數學一年級上 http://www.tudou.com/playlist/id/4342649/

http://www.tudou.com/home/lanfeng20081/

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