A是B的2/5,A:B=():();A比B多2/5=():()

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 15:19:46

A是B的2/5,A:B=():();A比B多2/5=():()
A是B的2/5,A:B=():();A比B多2/5=():()

A是B的2/5,A:B=():();A比B多2/5=():()
2:5 7:5