9又5分之2-(7分之3+0.4)简算
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/24 18:45:04
![9又5分之2-(7分之3+0.4)简算](/uploads/image/z/57615-15-5.jpg?t=9%E5%8F%885%E5%88%86%E4%B9%8B2-%EF%BC%887%E5%88%86%E4%B9%8B3%EF%BC%8B0.4%EF%BC%89%E7%AE%80%E7%AE%97)
9又5分之2-(7分之3+0.4)简算
9又5分之2-(7分之3+0.4)简算
9又5分之2-(7分之3+0.4)简算
9又5分之2-(7分之3+0.4)
=47/5-3/7-2/5
=(47/5-2/5)-3/7
=45/5-3/7
=9-3/7
=8又4/7
不懂的可追问,满意请采纳~
等于9.4-0.4-3/7=60/7
9又5分之2-(7分之3+0.4)
=47/5-(3/7+2/5)
=47/5-3/7-2/5
=47/5-2/5-3/7
=45/5-3/7
=9-3/7
=60/7
希望您采纳,谢谢