If (1/97)+(3/97)=(2/97)*2=(4/97); (1/97)+(3/97)+(5/97)=(3/97) *3=(9/97); (1/97)+(3/97)+(5/97)+(7/97)=(4/97)*4=(16/97), then (1 /97)+(3/97)+(5/97)+…+(49/97)=how many
如果(1/97)+(3/97)=(2/97)*2=(4/97)；(1/97)+(3/97)+(5/97)=(3/97)*3=(9/97)；(1/97)+(3/97)+(5/97)+(7/97)=(4/97)*4=(16/97)，则(1/97)+(3/97)+(5/97)+…+(49/97)=多少
<gadget id="calculator">25 / 97</gadget>
<output>25/97 = around 0.257732</output>

<gadget id="calculator">(25/97) * 25</gadget>
<output>625/97 = around 6.443299</output>

<result>625/97 = around 6.443299</result>