Răspuns :
Răspuns:
Explicație pas cu pas:
x = 11/6 iar y = 17/9
aduci la acelasi numitor si compari. E ok?
x = [tex]1\frac{5}{6}=\frac{11}{6}[/tex]
y = [tex]1\frac{8}{9}=\frac{17}{9}[/tex]
a) x = [tex]\frac{11}{6}=\frac{99}{54}[/tex]
y = [tex]\frac{17}{9}=\frac{102}{54}[/tex]
x [] y
[tex]\frac{99}{54}<\frac{102}{54}[/tex]
⇒ x [<] y
b) [tex]\frac{17}{9}:[(\frac{11}{6})^{2}-\frac{17}{9}][/tex]
[tex]\frac{17}{9}:(\frac{121}{36}-\frac{17}{9})[/tex]
[tex]\frac{17}{9}:(\frac{121}{36}-\frac{68}{36})[/tex]
[tex]\frac{17}{9}:\frac{53}{36}[/tex]
[tex]\frac{17}{9}*\frac{36}{53}[/tex]
[tex]\frac{612}{477}[/tex]
[tex]\frac{68}{53}[/tex]