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Ajutor urgent vă rog frumos mulțumesc. Ex 6

Ajutor Urgent Vă Rog Frumos Mulțumesc Ex 6 class=

Răspuns :

a)

[tex] \frac{9}{10} - \frac{5}{10} [/tex]

[tex] \frac{9 - 5}{10} [/tex]

[tex] \frac{4}{10} [/tex]

[tex] \frac{2}{5} [/tex]

b)

[tex] \frac{8}{8} - \frac{3}{8} + \frac{2}{8} [/tex]

[tex] \frac{8 - 3 + 2}{10} [/tex]

[tex] \frac{7}{8} [/tex]

c)

[tex] \frac{4}{9} + \frac{5}{9} - \frac{6}{9} [/tex]

[tex] \frac{4 + 5 - 6}{9} [/tex]

[tex] \frac{3}{9} [/tex]

[tex] \frac{1}{3} [/tex]