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- 24 Edu App Store
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- Mental Multiplication Tricks
- iOS App: Istruzione di: Alexander Mokrushin
- $0.99
- Listes: 0 + 0 Classificazioni: 0 Recensioni: 0
- Punti: 1 + 5 (4.6) Versione: 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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