(1)
5
6 ×
3
7 +
5
6 ×
4
7 ,
=
5
6 ×(
3
7 +
4
7 ),
=
5
6 ×1,
=
5
6 ;
(2)
5
8 -
5
8 ×
4
15 ,
=
5
8 ×(1-
4
15 ),
=
5
8 ×
1
15 ,
=
1
24 ;
(3)(35+
7
25 )÷
7
5 ,
=(35+
7
25 )×
5
7 ,
=35×
5
7 +
7
25 ×
5
7 ,
=25+
1
5 ,
=25
1
5 ;
(4)1÷(
3
4 +
1
2 )×
5
8 ,
=1÷
5
4 ×
5
8 ,
=
4
5 ×
5
8 ,
=
1
2 .