Secret Of Mental Math Arithmetic: 70 Secrets To Super Speed Calculation & Amazing Math Tricks
- Dannije podelio/la utisakпре 2 године
👎Možete propustitiWell, personally I found this too obvious. Maybe it should be marked “for beginners” but I’m no Math genius, and yet have known everything this book has to say long ago.
- b4155452066je podelio/la utisakпре 3 године
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