Draw 2, 4, and 5 cards randomly to form a two-digit number. What is the probability that the two-digit number formed is an odd number?
写着2、4、5三张卡片中任意抽出两张组成一个两位数，组成的两位数是单数的可能性是多少．
<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

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