- File Size: 1396 KB
- Print Length: 506 pages
- Simultaneous Device Usage: Unlimited
- Publication Date: December 29, 2013
- Sold by: Amazon Digital Services LLC
- Language: English
- ASIN: B00DHLK5VI
- Text-to-Speech: Enabled
- Word Wise: Not Enabled
- Lending: Enabled
- Amazon Best Sellers Rank: #552,777 Paid in Kindle Store (See Top 100 Paid in Kindle Store)
How To Really Calculate In Your Head! Kindle Edition
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The offer to join
Math2020 came at the end indicating access to 400 lessons.
After my money was taken, I learn that there is a time limit and
More money is needed to access other lessons and help from the author.
I wanted to find a way to make the lessons enjoyable and easier.
It has taken me a few decades to discover this technique.
I am very glad I have
I HOPE THE AUTHOR WILL DO OTHER BOOKS ON MORE ADVANCED MATH.
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