Odpowiedzi

2009-10-29T15:36:20+01:00
8,5+(6/5*5/2-7/10:7) :4/5 = 17/2+(3-1/10):4/5= 17/2+29/10*5/4= 17/2 + 29/8 = 68/8 + 29/8 = 97/8 = 12 1/8