简便方法计算 3/10-(3/4-7/10)= 5/9+(4/5+4/9)=
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 11:50:24
![简便方法计算 3/10-(3/4-7/10)= 5/9+(4/5+4/9)=](/uploads/image/z/128334-30-4.jpg?t=%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97+3%2F10-%EF%BC%883%2F4-7%2F10%29%3D+5%2F9%2B%EF%BC%884%2F5%2B4%2F9%EF%BC%89%3D)
简便方法计算 3/10-(3/4-7/10)= 5/9+(4/5+4/9)=
简便方法计算 3/10-(3/4-7/10)= 5/9+(4/5+4/9)=
简便方法计算 3/10-(3/4-7/10)= 5/9+(4/5+4/9)=
3/10-(3/4-7/10)= 3/10-3/4+7/10=1-3/4=1/4
5/9+(4/5+4/9=5/9+4/9+4/5=1+4/5=1.8
578777011