hto
3
Educación | 9.0MB
La descripción de
Tap the screen to make counters in the columns. They can be exchanged up and down by selecting and dragging to different columns. Easily add and subtract in a visual manner that really shows how the column method works.
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Información
Actualizada: 2018-03-20
Versión actual: 1.2
Requiere Android: Android 4.0.3 or later