2分之1乘3分之2乘4分之3`````乘100分之99乘101份之100= 一条路全长480米,第一天修了13,第二天修了这条路的16,还剩这条路的几分之几没修?

题目

2分之1乘3分之2乘4分之3`````乘100分之99乘101份之100= 一条路全长480米,第一天修了13,第二天修了这条路的16,还剩这条路的几分之几没修?
英语!(连词成句)
get can to the How I natural paek
Excuse me.__________________
Chinatown here Is far from
Excuse me.__________________
where City Library the is
Excuse me.__________________

答案

(1/2)*(2/3)*(3/4)...*(100/101)前一项的分母能够约掉后一项的分子,后一项的分子约掉前一项的分母.最后只剩下1/1011-1/3-1/6=1/2How can I get to the natural park?Is Chinatown far from here?Where is the City L...