Răspuns:
a)
[tex]1-\frac{1}{8} =\frac{8-1}{8} =\frac{7}{8}[/tex]
b)
[tex]=\frac{9}{4} +\frac{15}{4} +\frac{5}{4} =\frac{29}{4}=7\frac{1}{4}[/tex]
c)
[tex]=\frac{29}{9} +\frac{41}{9} =\frac{70}{9}=7\frac{7}{9}[/tex]
d)
[tex]=\frac{29}{6} -\frac{8}{6} =\frac{21}{6}=\frac{7}{2} =3\frac{1}{2}[/tex]
Explicație:
