Question

计算
①(-2)4÷(-2

2

3

)2+5

1

2

×(-

1

6

)-0.25
②-12012-(1-

1

2

)÷3×|3-(-3)2|．

Answer 1

①原式=16÷

64

9

+

11

2

×（-

1

6

）-0.25=

9

4

-

11

12

-

1

4

=

13

12

；

②原式=-1-

1

2

×

1

3

×6=-1-1=-2．