解乘方的幂的方程122389×(1+10.4千分之)^X=94561×(1+18.6千分之)^X求X
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![解乘方的幂的方程122389×(1+10.4千分之)^X=94561×(1+18.6千分之)^X求X](/uploads/image/z/9959800-40-0.jpg?t=%E8%A7%A3%E4%B9%98%E6%96%B9%E7%9A%84%E5%B9%82%E7%9A%84%E6%96%B9%E7%A8%8B122389%C3%97%281%2B10.4%E5%8D%83%E5%88%86%E4%B9%8B%29%5EX%3D94561%C3%97%281%2B18.6%E5%8D%83%E5%88%86%E4%B9%8B%29%5EX%E6%B1%82X)
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解乘方的幂的方程122389×(1+10.4千分之)^X=94561×(1+18.6千分之)^X求X
解乘方的幂的方程
122389×(1+10.4千分之)^X=94561×(1+18.6千分之)^X求X
解乘方的幂的方程122389×(1+10.4千分之)^X=94561×(1+18.6千分之)^X求X
122389*(1+0.0104)^x=94561*(1+0.0186)^x
lg122389+xlg1.0104=lg94561+xlg1.0186
lg122389-lg94561=x(lg1.0186-lg1.0104)
x=(lg(122389/94561))/(lg(1.0186/1.0104))
=lg1.2949/lg1.0081
=0.1122/0.0035
=32