Znajdź liczbę x :
a) x* 4/7 = 9/11
b) x : 6/13 = 4/9
c) x : 3 1/6 = 1 2/3
Pomocy ! Szyba odpowiedź ! Bd Naj !
a)=63/44b)=8/39
c) =95/18
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a)=63/44
b)=8/39
c) =95/18