poncevan44 poncevan44

15-01-2017
Mathematics

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find a counterexample to the conjecture: Any number that is divisible by 2 is also divisible by 4

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Newtion Newtion

15-01-2017

Choose number 2, it is divisible by 2, [tex]2:2=1[/tex] but it is not divisible by 4, because [tex]2:4=0,5[/tex] but [tex]0,5 \notin \mathbb Z[/tex].

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