Known a series of regular numbers: (1/2), (3/4), (7/10), (17/24), (41/58), ... Then what is the 10th of this series of numbers.
已知一串有规律的数：(1/2)，(3/4)，(7/10)，(17/24)，(41/58)，…那么这串数的第10是多少．
<gadget id="calculator">577 / 816</gadget>
<output>577/816 = around 0.707108</output>

<result>577/816 = around 0.707108</result>