1/2*2/3*3/4*4/5*..........*98/99*99/100用最简便方法计算
1/2*2/3*3/4*4/5*..........*98/99*99/100用最简便方法计算
日期:2011-09-25 11:16:42 人气:1
1/2*2/3*3/4*4/5*..........*98/99*99/100
=1*2/2*3/3*4/4*...*99/99*1/100
=1*1/100
=1/100
1/2*2/3*3/4*4/5*..........*98/99*99/100用最简便方法计算