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14/15+34/35+62/63+98/99+142/143+194/195+254/255+322/323的答案和过程
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答:14/15+34/35+62/63+98/99+142/143+194/195+254/255+322/323=14/(3×5)+34/(5×7)+62/(7×9)+98/(9×11)+142/(11×13)+194/(13×15)+254/(15×17)+322/(17×19)=7/3-7/5+17/5-17/7+31/7-31/9+49/9-49/11+71/11-71...
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