Trachtenberg Speed System - Basic Multiplication Without Times Table - medicalbooks.filipinodoctors.org

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Trachtenberg Speed System - Basic Multiplication Without Times Table

Brand: AM Mobile
MPN: com.ammobile.mentalcalc
Category: App (Math)
Price: $0.99
Availability: Available instantly on compatible devices
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Features

  • easy to use;
  • "magic" way to multiply numbers 2-12;
  • theory and practice in one app;
  • specially for the people having difficulties learning the multiplication tables.

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