如何把无限循环小数0.7,0.73,0.735和0.8231化为分数形式?
问题描述:
如何把无限循环小数0.7,0.73,0.735和0.8231化为分数形式?
答
0.7=7/9
0.73=73/99
0.735=735/999
0.8231=8231/9999