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GeoGebra

Multiplication z1* z2 = z3

作成者:Steve Phelps
トピック:掛け算
  1. Drag z1 to the origin. What do you observe?
  2. Drag z2 to the origin. What do you observe?
  3. Drag z2 to z1. What do you observe?
  4. Drag z1 to z3. What do you observe?
  5. Drag z2 to z3. What do you observe?

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