Giải:
Bài 2:
a) \(8,5:3=2,8\left(3\right)\)
b) \(18,7:6=3,11\left(6\right)\)
c) \(58:11=5,\left(27\right)\)
Bài 3:
a) \(0,32=\dfrac{8}{25}\)
b) \(-0,124=-\dfrac{31}{250}\)
c) \(1,28=\dfrac{32}{25}\)
Bài 4:
\(\dfrac{1}{99}=0,\left(01\right)\)
\(\dfrac{1}{999}=0,\left(001\right)\)
Chúc bạn học tốt!