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Mental Math Magic: 6212 practice problems, tips, and hacks to help you calculate faster by Dorothy Stein
English | October 24, 2020 | ISBN: N/A | ASIN: B08LNJJC5D | 820 pages | Rar (PDF, AZW3) | 0.74 Mb
If you suffer from math phobia, this book is the cure.Many people find everyday arithmetic calculations difficult, but the skill is undoubtedly a useful one to possess.Yes, in the age of the smartphone, a calculator app is just a few clicks away, but quick mental math saves time, energy, and makes you look smart!Estimations of approximate values are also a great help, especially in a discussion or a negotiation.The message is clear: being able to make simple arithmetic calculations in your head is useful. Within the pages of this book, you will find an exhaustive set of tips, tricks, and sample problems so that you have all the tools of the trade.You will then be given many sets of problems, and will need to give yourself a time limit to complete each set. The time you take doesn't really matter, as long as you keep achieving your target time, and improve the time with every few sets. You can either use a calculator to compute answers in real time, or use the solutions given at the end of this book.Artificial intelligence is great; let's build up human intelligence, too.Perfect for both adults and children!
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