Odpowiedzi

2009-12-02T19:25:11+01:00
7,2:[(21/1,7)*0,25] = 7,2:(12,35*0,25) = 7,2:3 = 2,4

1/3*5,9 = 1,9(6)
1 5 1
2009-12-02T19:26:23+01:00
7.2:[(2 1/2-0.3)*1/4] = 7,2:[2 2/10 * 1/4 ] = 7,2 : 11/20 = 13 1/11
1/3*(2,4+3,5) = 1/3* 5,9 = 59/30 = 1 29/30