15 June 2005 12:15
『なぜ数学が「得意な人」と「苦手な人」がいるのか』ブライアン バターワース, Brian Butterworth, 藤井 留美(主婦の友社)
by test00 & 1 other『数を扱う能力は誰もが持っている。「数学脳」を鍛えれば数学は楽しい。』
1
(1 marks)
Founded in late 2003 and heartquartered in France, we are non-profit and independant.
We believe in the open web, think internet services should be sustainable, build for the long term.
While we are re-launching the service, we only accept new members through invitation.
test00
last mark : 15/06/2005 12:24