Question

exercitiul 1 si 2 cele incercuite help pls

Answer 1

1. 0,01:0,001=
(1/100):(1/1000)=
(1/100)×(1000/1)=
1000/100=
10

2.
A={x € Z/|x|<=4}

(<= înseamnă mai mic sau egal)

-4 <=x <=4
A={-4,-3,-2,-1,0,1,2,3,4}