（1）0.064 -

1

3

-（-

7

8

）⁰+16^0.75+0.25 

1

2

=((0.4)3)-

1

3

-1+(24)

3

4

+(0．52)

1

2

=（0.4）^-1-1+8+0.5

=2.5-1+8+0.5

=10；       

（2）lg5+（log₃2）•（log₈9）+lg2

=lg5+

lg2

lg3

•

lg9

lg8

+lg2

=1+

lg2

lg3

•

2lg3

3lg2

=1+

2

3

=

5

3

．