67×

1

4

+2

1

2

×3.75-4

1

2

×25%
=67×

1

4

+2

1

2

×3

3

4

-4

1

2

×

1

4

=（67-4

1

2

）×

1

4

+

5

2

×

15

4

=

125

2

×

1

4

+

75

8

=

125

8

+

75

8

=25
故答案为：25．