计算下面各题.(能简算的要简算)
1个回答

(1)

7

16 ×

12

35 ÷

3

20 ,

=

3

20 ÷

3

20 ,

=1;

(2)[

7

8 -(

5

16 -

1

4 )]÷

26

27 ,

=[

7

8 -

1

16 ]÷

26

27 ,

=

13

16 ÷

26

27 ,

=

27

32 ;

(3)

7

4 ×

5

6 +

7

4 ÷6,

=

7

4 ×

5

6 +

7

4 ×

1

6 ,

=

7

4 ×(

5

6 +

1

6 ),

=

7

4 ×1,

=

7

4 ;

(4)5×4×(

1

5 ×

3

4 ),

=(5×

1

5 )×(4×

3

4 ),

=1×3,

=3.