1/3-1/12-1/20-1/30-1/42

来源:学生作业帮助网 编辑:作业帮 时间:2024/10/03 19:39:57
1/3-1/12-1/20-1/30-1/42
x)37574F@D$/PF 1y{yspH>dgdzg s It\@

1/3-1/12-1/20-1/30-1/42
1/3-1/12-1/20-1/30-1/42

1/3-1/12-1/20-1/30-1/42
=1/7

结果1/7

什么意思

1/7