Răspuns :

1DianaMaria3id

[tex] \frac{2}{5} + \frac{11}{5} = \frac{2 + 11}{5} = \frac{13}{5} = 2 \frac{3}{5} [/tex]

[tex] \frac{7}{9} + \frac{2}{9} = \frac{7 + 2}{9} = \frac{9}{9} = 1[/tex]

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Davidmerlutaid

Răspuns:

Explicație pas cu pas:

/ = supra

2/5+11/5=13/10

7/9+2/9=9/18

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