If a=-b, c=(1/(d)), |m|=2, what is the value of the algebraic formula m**2-cd+((a+b)/(m))
若a=-b，c=(1/(d))，|m|=2，则代数式m**2-cd+((a+b)/(m))的值为多少
<gadget id="calculator">3 + 0</gadget>
<output>3</output>

<result>3</result>