10^[(x-3)/10] * ( 750 + 150*10^(3/10) ) =39810.72
10^[(x-3)/10] * ( 750 + 150*10^(3/10) ) =39810.72
10^[(x-3)/10] * ( 750 + 150*1.9953 ) =39810.72
10^[(x-3)/10] * 1049.295 = 39810.72
10^[(x-3)/10] = 37.94
(x-3)/10 = lg37.94
(x-3)/10 = 1.5791
x-3 = 15.791
x = 18.791
以下是MATLAB计算结果,答案一样的。
