①原式=-1÷25×(-
5
3 )+0.2=-1×
1
25 ×(-
5
3 )+0.2=
1
15 +
1
5 =
4
15 ;
②原式=-25-[-8+(1-
3
5 )÷(-4)×(-2)]=-25-(-8+
2
5 ×
1
4 ×2)=-25+8-
1
5 =-17.2.
①原式=-1÷25×(-
5
3 )+0.2=-1×
1
25 ×(-
5
3 )+0.2=
1
15 +
1
5 =
4
15 ;
②原式=-25-[-8+(1-
3
5 )÷(-4)×(-2)]=-25-(-8+
2
5 ×
1
4 ×2)=-25+8-
1
5 =-17.2.