Calculation: ((1/(1+101))+(1/(2+102))+…+(1/(50+150)))/(1-(1/2)+(1/3) -(1/4)+…+(1/99)-(1/100))
计算：((1/(1+101))+(1/(2+102))+…+(1/(50+150)))/(1-(1/2)+(1/3)-(1/4)+…+(1/99)-(1/100))
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>