正負の数（代数和）改

What do you want to download?

You can either download the .ggb file alone or the complete webpage for students with tasks.

I agree to the terms of GeoGebra's non-commercial license

• Offline Activity (.zip)

• GeoGebra Files

  1. 解説は　https://youtu.be/7jsAPT6EKHY 　※右下のアイコンを押して画面を最適化してください。 (.ggb)