计算(0.0081)^(-1/4)-10×0.027^(1/3)+lg(1/4)-lg25=?

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计算(0.0081)^(-1/4)-10×0.027^(1/3)+lg(1/4)-lg25=?

计算(0.0081)^(-1/4)-10×0.027^(1/3)+lg(1/4)-lg25=?
计算(0.0081)^(-1/4)-10×0.027^(1/3)+lg(1/4)-lg25=?

计算(0.0081)^(-1/4)-10×0.027^(1/3)+lg(1/4)-lg25=?
(0.0081)^(-1/4)-10×0.027^(1/3)+lg(1/4)-lg25
=10/3-3-lg4-(lg100/4)
=1/3-lg4-2+lg4
=1/3-2
=-4/3

7.1291

lg(1/4)-lg25=lg(1/4除以25)=-2最后结果等于-5/3