计算下列各题①(14-12+16)÷112             ②[(-5)2×(-35)+15]×(-2)3÷7．

题型：解答题难度：一般来源：不详

计算下列各题
①(

1

4

-

1

2

+

1

6

)÷

1

12

            
②[(-5)2×(-

3

5

)+15]×(-2)3÷7．

答案

①(

1

4

-

1

2

+

1

6

)÷

1

12

=(

1

4

-

1

2

+

1

6

)×12
=

1

4

×12-

1

2

×12+

1

6

×12
=3-6+2
=-1；
            
②[(-5)2×(-

3

5

)+15]×(-2)3÷7
=[25×（-

3

5

）+15]×（-8）÷7
=[-15+15]×（-8）÷7
=0×（-8）÷7
=0．