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calculati;
c)19pe17+15pe17(..)23pe9-2pe 9;
d)9pe25+11pe25(..)87pe100-7pe100
aratati si cum ati calculat ca sa obtineti rezultatul
ajutatima e urgent

Răspuns :

ABS7788
c)[tex] \frac{19}{17} [/tex] + [tex] \frac{15}{17} [/tex]=[tex] \frac{34}{17} [/tex]
[tex] \frac{23}{9} + \frac{2}{9} = \frac{21}{9} [/tex]
d)[tex] \frac{9}{25} + \frac{11}{25} = \frac{20}{25} [/tex]
[tex] \frac{87}{100} - \frac{7}{100} [/tex]=[tex] \frac{80}{100} [/tex]

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