Răspuns:
ex 2
a)
[tex]2 \frac{1}{7} = \frac{15}{7} [/tex]
b)
[tex]3 \frac{2}{7} = \frac{22}{7} [/tex]
c)
[tex]4 \frac{3}{7} = \frac{31}{7} [/tex]
[tex]d)5 \frac{4}{9} = \frac{49}{9} [/tex]
[tex]e)6 \frac{5}{9} = \frac{59}{9} [/tex]
[tex]f)7 \frac{8}{9} = \frac{63}{9} [/tex]
Ex 3
