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- 24 Edu App Store
- +1
- Mental Multiplication Tricks
- iOS Sovellukset: Koulutus Tekijänä: Alexander Mokrushin
- $0.99
- Listat: 0 + 0 Rankingissa: 0 Arvostelut: 0
- Pisteet: 1 + 5 (4.6) Versio: 3.0 Using this app you will learn to do some multiplying of small numbers (till 12) without using the multiplication tables. This app presents only a part of the Trachtenberg system - a ... ⥯
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