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ありがとうございます PxHere
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In seeing some math stuff on the web, I was reminded of this little book I loved as a kid, and sure enough, I was able to order it on Amazon: www.amazon.com/Zero-Zillions-Arrow-Number-Magic/dp/B000Z0... It's chock full of interesting factis about numbers, math games, and puzzles. Okay I was a dorky kid (now grown into a dorky adult). It was a used book, and inside the front cover, I owe my thanks to Frances Heiberger (4th Grade) who gave up her book,
無料の高解像度の写真 本, 広告, 色, 黄, 数学, ブランド, フォント, 数字, 2010365, センス
, 撮影 Canon EOS REBEL T1i 01/04 2017 一緒に撮った写真 50.0mm, f/3.2s, 1/100s, ISO 800











