1/100+2/100+3/100+......+49/100+50/100=?(要有计算过程)
1/100+2/100+3/100+......+49/100+50/100=?(要有计算过程)
日期:2022-01-23 07:41:51 人气:1
1/100+2/100+3/100+......+49/100+50/100
=1/100*(1+2+...+50)
=1/100*50*(50+1)/2
=51/4
=1/100*(1+2+...+50)
=1/100*50*(50+1)/2
=51/4