①(-6

1

2

)×

4

13

-8÷|-4+2|

=-

13

2

×

4

13

-8÷2

=-2-4

=-6

②(-2)4÷(-2

2

3

)2+5

1

2

×(-

1

6

)-0.25

=16÷

64

9

-

11

2

×

1

6

-

1

4

=

9

4

-

11

12

-

1

4

=

13

12