(1)∵-0.02<0,1>0,
∴-0.02<1.
故答案为:<;
(2)∵-(-
3
4 )=
3
4 >0,-
3
4 <0,
∴-(-
3
4 )>-
3
4 .
故答案为:>;
(3)∵|-
22
7 |=
22
7 ≈3.142>|-3.14|=3.14,
∴-
22
7 <-3.14;
(4)∵-[+(-0.75)]=0.75>0,-
4
5 <0,
∴-
4
5 <0.75,即-
4
5 <-[+(-0.75)].
故答案为:<.
(1)∵-0.02<0,1>0,
∴-0.02<1.
故答案为:<;
(2)∵-(-
3
4 )=
3
4 >0,-
3
4 <0,
∴-(-
3
4 )>-
3
4 .
故答案为:>;
(3)∵|-
22
7 |=
22
7 ≈3.142>|-3.14|=3.14,
∴-
22
7 <-3.14;
(4)∵-[+(-0.75)]=0.75>0,-
4
5 <0,
∴-
4
5 <0.75,即-
4
5 <-[+(-0.75)].
故答案为:<.