3,5*3,5 - 5 1/3 oblicz

3,5*3,5 - 5 1/3= 3 1/2* 3, 1/2 - 5 1/3= 49/4 - 5 1/3 = 12 1/4 - 5 1/3= 12 3/12- 5 4/12= 6 11/12