(1)
1
6 +
3
4 ×
2
3 ÷2
=
1
6 +
3
4 ×
2
3 ×
1
2 ,
=
1
6 +
1
4 ,
=
5
12 ;
(2)(
3
4 +
1
2 -
7
12 )×24
=
3
4 ×24+
1
2 ×24-
7
12 ×24,
=18+12-14,
=30-14,
=16;
(3)
17
24 ×
3
4 +
17
24 ÷4
=
17
24 ×
3
4 +
17
24 ×
1
4 ,
=
17
24 ×(
3
4 +
1
4 ),
=
17
24 ×1,
=
17
24 ;
(4)2-
6
13 ÷
9
26 -
2
3
=2-
6
13 ×
26
9 -
2
3 ,
=2-
4
3 -
2
3 ,
=2-(
4
3 +
2
3 ),
=2-2,
=0;
(5)[4-(
3
4 -
3
8 )]×
4
29
=[4-
3
8 ]×
4
29 ,
=3
5
8 ×
4
29 ,
=
1
2 .