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What is Singapore Math?
Thinkfinity
Sunday, April 25, 2010
Presentations at USA in April
I gave quite a few lectures in Boston and San Diego. The slides are available at www.mathz4kidz.com
1 comment:
鈺禎
April 27, 2010 at 12:55 AM
不勞而獲的事情，並沒有價值
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不勞而獲的事情，並沒有價值......................................................
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