The Trachtenberg Speed System of Basic Mathematics こちらもおすすめ

Think Like A Maths Genius Think Like A Maths Genius
Think Like A Maths Genius
2011年
Speed Maths for Kids Speed Maths for Kids
Speed Maths for Kids
2012年
Math Magic Math Magic
Math Magic
2023年
Basic Math & Pre-Algebra For Dummies Basic Math & Pre-Algebra For Dummies
Basic Math & Pre-Algebra For Dummies
2016年
Basic Math & Pre-Algebra All-in-One For Dummies (+ Chapter Quizzes Online) Basic Math & Pre-Algebra All-in-One For Dummies (+ Chapter Quizzes Online)
Basic Math & Pre-Algebra All-in-One For Dummies (+ Chapter Quizzes Online)
2022年
The Magic of Maths The Magic of Maths
The Magic of Maths
2015年
I Used to Know That: Maths I Used to Know That: Maths
I Used to Know That: Maths
2012年
Fast Math: Learn the Secrets of Mental Math Fast Math: Learn the Secrets of Mental Math
Fast Math: Learn the Secrets of Mental Math
2017年
See Ya Later Calculator See Ya Later Calculator
See Ya Later Calculator
2022年
Algebra I All-in-One For Dummies Algebra I All-in-One For Dummies
Algebra I All-in-One For Dummies
2021年
Technical Math For Dummies Technical Math For Dummies
Technical Math For Dummies
2010年
Basic Maths Practice Problems For Dummies, UK Edition Basic Maths Practice Problems For Dummies, UK Edition
Basic Maths Practice Problems For Dummies, UK Edition
2012年
Beautiful, Simple, Exact, Crazy Beautiful, Simple, Exact, Crazy
Beautiful, Simple, Exact, Crazy
2020年
Why Math Isn't an Awful Nerd Why Math Isn't an Awful Nerd
Why Math Isn't an Awful Nerd
2011年
Vedic Addition Vedic Addition
Vedic Addition
2015年