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Sagot :

devishri1977

Answer:

3 ways

Step-by-step explanation:

n = 3; r = 2

[tex]nC_{r}=\dfrac{n!}{r!(n-r)!}\\\\3C_{2}=\dfrac{3!}{2!1!}=\dfrac{3*2*1}{2*1}=3[/tex]

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