[-3×(-23)2-22×0.125]÷(-12)2．

题型：解答题难度：一般来源：不详

[-3×(-

2

3

)2-22×0.125]÷(-

1

2

)2．

答案

解“原式=（-3×

4

9

-4×

1

8

）÷

1

4

=-

4

3

×4-

1

2

×4
=-5

1

3

-2
=-7

1

3

．