Răspuns:
Explicație pas cu pas:
[tex]\bf \dfrac{28^{(7}~}{7} = \red{4}[/tex]
[tex]\bf \dfrac{31}{6} = \purple{5\dfrac{1}{6} }[/tex]
[tex]\bf \dfrac{12}{5} = \green{2\dfrac{2}{5} }[/tex]
[tex]\bf \dfrac{18}{3} = \blue{6}[/tex]
[tex]\bf \dfrac{42^{(3}~}{9} =\dfrac{14}{3}= \red{4\dfrac{2}{3} }[/tex]
[tex]\bf \dfrac{15}{4}= \purple{3\dfrac{3}{4}}[/tex]
