(0.0081)-

1

4

-10×0.027

1

3

+lg

1

4

-lg25

=

1

4 0.0081

 -10×

3	0.027

+lg(

1

4

÷25)

=

1

0.3

 -10×0.3+lg(0.01)

=

10

3

-3-2

=-

5

3

故答案为：-

5

3

．