$\dfrac{a + b}{c}$ equals (with $c \ne 0$)

$\dfrac{a + b}{c}$ equals (with $c \ne 0$)
  1. $\dfrac{a}{c} + \dfrac{b}{c}$
  2. $\dfrac{a}{c} \cdot \dfrac{b}{c}$
  3. $\dfrac{a + b}{2c}$
  4. $\dfrac{ab}{c}$

Solution

Distributive property.

Asked in: IMO

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