Regla de 3
Francesc Calbet Salvat Education
Proportionality exercise models
- Downloads
- 197+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Jul 29
- 2025 · v1.9
Screenshots
About Regla de 3
Rule of 3 simple and compound. Proportionality of two or three magnitudes. It solves exercises and allows you to modify the numerical entries. Determines whether a ratio is direct or inverse and calculates the result by indicating the equations involved.
What’s new
Version 1.9 · Updated July 29, 2025
Versió juliol 2025
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