(1)
3
5 =
18
30 ,
4
5 =
20
30 ,
18
30 <
20
30 ,
3
5 <
4
5 ;
(2)1>0,
1
3
8 >
8
11 ;
(3)
4
5 =
16
20 ,
16
20 =
16
20 ,
4
5 =
16
20 ;
(4)
3
4 <
4
3 ;
(5)
13
13 =1,
13
13 =1;
(6)3>2,
3>2
8
9 ;
故答案为:<,>,=,<,=,>.
(1)
3
5 =
18
30 ,
4
5 =
20
30 ,
18
30 <
20
30 ,
3
5 <
4
5 ;
(2)1>0,
1
3
8 >
8
11 ;
(3)
4
5 =
16
20 ,
16
20 =
16
20 ,
4
5 =
16
20 ;
(4)
3
4 <
4
3 ;
(5)
13
13 =1,
13
13 =1;
(6)3>2,
3>2
8
9 ;
故答案为:<,>,=,<,=,>.