65 x 39 = 2535
108 x 312 = 33696
27 x 84 = 2268
Can you work out these calculations in your head? Many of us would say ‘No way!’ For anyone who reads this book and learns the tricks it contains, it won’t be difficult anymore.
This book aims to stimulate enthusiasm for math through rapid calculation, thereby creating a solid mathematical foundation for further learning. The goal is to express profound mathematical ideas in simple language, conveying the magic and mystery of calculation. As long as you can multiply two-digit numbers, do addition and subtraction, and understand simple negative numbers, you can handle the basics of this book.
€6.49
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Limba Engleză ● Format EPUB ● Pagini 112 ● ISBN 9789888843398 ● Mărime fișier 3.5 MB ● Editura Earnshaw Books Ltd ● Publicat 2023 ● Ediție 1 ● Descărcabil 24 luni ● Valută EUR ● ID 9287246 ● Protecție împotriva copiilor Adobe DRM
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