我的天空吉他谱c调简谱:1道题,大家帮帮忙
来源:百度文库 编辑:中科新闻网 时间:2024/04/29 06:16:41
1/4*100-1/5*100
1/4*100-1/5*100
=(1/4-1/5)*100
=1/20*100
=5
=1/20*100
=5
5
(1/4)*100=100/4=25.
(1/5)*100=100/5=20.
所以
(1/4)*100-(1/5)*100=25-20=5.
1/4*100-1/5*100
=(1/4-1/5)*100
=1/20*100
=5
1/4*100-1/5*100
=(1/4-1/5)*100
=1/20*100
=5