Added: 4 years ago
From: dougsimmsonline
Views: 4,444
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  • Im in the 8th grade , in Romania ... and I did this lesson 2 years ago .... this is very simple

  • Natural Numbers do NOT include zero. Zero is added to the Natural Numbers to form the Whole Numbers. :)

  • google: "There is a controversy about whether zero is included in natural Numbers."

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