解方程:(1+30%)x*9/+(1+20%)*(2000-x)*9/10=2000+277
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 09:07:48
![解方程:(1+30%)x*9/+(1+20%)*(2000-x)*9/10=2000+277](/uploads/image/z/3804602-50-2.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A%EF%BC%881%2B30%25%EF%BC%89x%2A9%2F%2B%EF%BC%881%2B20%25%EF%BC%89%2A%EF%BC%882000-x%EF%BC%89%2A9%2F10%3D2000%2B277)
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解方程:(1+30%)x*9/+(1+20%)*(2000-x)*9/10=2000+277
解方程:(1+30%)x*9/+(1+20%)*(2000-x)*9/10=2000+277
解方程:(1+30%)x*9/+(1+20%)*(2000-x)*9/10=2000+277
1.3*9/10x+1.2*9/10*(2000-x)=2277
1.17x+1.08*(2000-x)=2277
1.17x+2160-1.08x=2277
0.09x=117
x=1300