解方程怎么写啊?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 03:43:07
![解方程怎么写啊?](/uploads/image/z/11503558-46-8.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B%E6%80%8E%E4%B9%88%E5%86%99%E5%95%8A%3F)
解方程怎么写啊?
解方程怎么写啊?
解方程怎么写啊?
403%x+x=4.2
就这样答
403%x+x=4.2
(403%+1)x=4.2
503%x=4.2
503%x÷503%=4.2÷503%
x=4.2×503%的倒数就是503份之100
x=503份之420