Question

va rog frumos
calculati cit mai repede
-3pe4-5pe6=
-8pe9+7pe12=
-3pe7*14pe27=
-6:-6pe7=
va rog
daca nu precis ca o sa am un 4 la matematica

Answer 1

[tex]- \frac{3}{4} - \frac{5}{6} = \frac{-9-10}{12} = \frac{-19}{12} [/tex]
$- \frac{8}{9} + \frac{7}{12} = \frac{-32+21}{36} = \frac{-11}{36}$
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