Question

completati adecvat:

a) daca ∫a∫∈ (1,3; 4; 0,(3); 1 /1supra lui 9/;3 supra lui 5) si a ≤ 0, atunci a∈ (..........?.........);

b) daca ║a supra lui 2║ ∈ (1,7; o saptime; 2,3(4), ) si a≤0,atunci a∈ (...............?..........)

VAROG AJUTATIMAA

Answer 1

a/ {-1.3; -4;- 0.(3); -10/9; -3/5; }
b/ |a/2|∈{1.7; 1/7; 2.3(4)} ⇒ |a|∈{3.4, 2/7 , 4.6(8)}