Răspuns:
a) |-25/10| = |-5/2| = 5/2
b) |1-2[tex]\sqrt{2}[/tex]| < 0 => |1-2[tex]\sqrt{2}[/tex]| = -(1-2[tex]\sqrt{2}[/tex]) = -1+ 2[tex]\sqrt{2}[/tex]
c) |3[tex]\sqrt{7\\}[/tex]| = 3[tex]\sqrt{7\\}[/tex]
d) |[tex]\sqrt{100/121}[/tex]| = |10/11| < 0 => |10/11| = -10/11
Explicație pas cu pas: