(1/2), (3/4), (5/6), (7/8), (9/10)... What is the 100th number?
(1/2)，(3/4)，(5/6)，(7/8)，(9/10)…第100个数是多少．
<gadget id="calculator">100 * 2</gadget>
<output>200</output>

<gadget id="calculator">200 - 1</gadget>
<output>199</output>

<gadget id="calculator">199 / 200</gadget>
<output>199/200 = around 0.995</output>

<result>199/200 = around 0.995</result>