(1)2.2×
7
11 =1.4,
1.4<2.2,
即:2.2×
7
11 <2.2;
(2)8÷12=0.
.
6 ,
66.7%=0.667
0.
?
6 <0.667,
即:8÷12<66.7%;
(3)1 ÷
5
12 =
12
5 ,
12
5 >1,
即:1 ÷
5
12 >1;
(4)
5
11 ×4.4=2,
2 >
5
11 ,
即:
5
11 ×4.4 >
5
11 ;
故答案为:<,<,>,>.
(1)2.2×
7
11 =1.4,
1.4<2.2,
即:2.2×
7
11 <2.2;
(2)8÷12=0.
.
6 ,
66.7%=0.667
0.
?
6 <0.667,
即:8÷12<66.7%;
(3)1 ÷
5
12 =
12
5 ,
12
5 >1,
即:1 ÷
5
12 >1;
(4)
5
11 ×4.4=2,
2 >
5
11 ,
即:
5
11 ×4.4 >
5
11 ;
故答案为:<,<,>,>.