装修问答

03010
1 + x/100)
= lg2/100)^10 = 2
两边取对数——
10*lg(1 + x/100
= 10^(0.07177
x = 7;100) = lg2
lg(1 + x/.07177
x/100 = 0;10
= 0.03010)
= 1(1 + x/

答案是0.071773462536293164213006325023342