(1)
18
35 ÷0.6×
2
3 ,
=
6
7 ×
2
3 ,
=
4
7 ;
(2)
5
17 ÷9+
1
9 ×
12
17
=
5
17 ×
1
9 +
1
9 ×
12
17
=(
5
17 +
12
17 )×
1
9 ,
=1×
1
9 ,
=
1
9 ;
(3)
7
25 ×101-
7
25 ,
=
7
25 ×(101-1),
=
7
25 ×100,
=28;
(4)2-
6
13 ÷
9
26 -
2
3 ,
=2-
4
3 -
2
3 ,
=2-(
4
3 +
2
3 ),
=2-2,
=0;
(5)(
1
6 -
1
3 +
1
4 )÷
1
12 ,
=(
1
6 -
1
3 +
1
4 )×12,
=
1
6 ×12-
1
3 ×12+
1
4 ×12,
=2-4+3,
=1;
(6)[1-(
1
2 +
1
4 )]÷
1
8 ,
=[1-
3
4 ]÷
1
8 ,
=
1
4 ÷
1
8 ,
=2.