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  • 14-11-2021
  • Mathematics
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1. Which is the counterexample to the following conjecture?
If a number is divisible by 3, it must also be divisile by 9.
18
21
27
O
54

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DaBoiSoren
DaBoiSoren DaBoiSoren
  • 14-11-2021
21 is not divisible by 9
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