va rooog dau coroana

Răspuns:
a )
[tex] \frac{5}{42} [/tex]
b )
[tex] \frac{1}{30} [/tex]
c )
[tex] \frac{9}{10} [/tex]
d )
[tex] \frac{7}{124} [/tex]
e )
[tex] \frac{15}{301} [/tex]
f )
[tex] \frac{1}{12} [/tex]
g )
[tex] \frac{77}{207} [/tex]
h )
[tex] \frac{7}{52} [/tex]
SUCCES ! :)