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Parents, grandparents, great grandparents, ... |
2018-02-28 |
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jessica pose la question :
every person has 2 birth parents, 4 birth grandparents, and so on. These people are known as ancestors. How many ancestors does a person have in each generation? write in exponential form. 3ed generation, great-grandparents? 4th generation? 10th generation?
Penny Nom lui répond. |
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