两道相似计算题

问题描述:

两道相似计算题
3721/(3721+3721/3722)
459/(459+459/460)+1/461

3721/(3721+3721/3722)=1/(1+1/3722)=1/(3723/3722)=3722/3723; 459/(459+459/460)+1/461=1/(1+1/460)+1/461=1/(461/460)+1/461=460/461+1/461=1.