If (1/(A))+(1/(B))=0.5, (1/(A))+(1/(B))+(1/(C))=(5/6), then (1/(C))=how much.
如果(1/(A))+(1/(B))=0.5，(1/(A))+(1/(B))+(1/(C))=(5/6)，则(1/(C))=多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>