Question

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

Answer 1

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