1²/(1*3)+2²/(3*5)+3²/(5*7)+……+50²/(99*100)=高手请进

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1²/(1*3)+2²/(3*5)+3²/(5*7)+……+50²/(99*100)=高手请进
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1²/(1*3)+2²/(3*5)+3²/(5*7)+……+50²/(99*100)=高手请进
1²/(1*3)+2²/(3*5)+3²/(5*7)+……+50²/(99*100)=高手请进

1²/(1*3)+2²/(3*5)+3²/(5*7)+……+50²/(99*100)=高手请进
不好意思   错了   是这一张