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1\3,第二天

问题描述:

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1\3,第二天修了这条路的1\6,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
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Chinatown here Is far from
Excuse me.__________________
where City Library the is
Excuse me.__________________
1个回答 分类:英语 2014-09-26

问题解答:

我来补答
(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1/101
1-1/3-1/6=1/2
How can I get to the natural park?
Is Chinatown far from here?
Where is the City Library?
 
 
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