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Dau coroanaaaaaaaaaaaa​

Dau Coroanaaaaaaaaaaaa class=

Răspuns :

f=nr fete

b=nr baieti

f+b=27

f=b+25/100*b

f=b+1/4*b

f=5b/4

5b/4+b+27 Inmultim cu 4 la b si 27

5b+4b=108

9b=108

b=12

f=27-12

f=15