Odpowiedzi

2010-03-01T15:18:10+01:00
23s-45=19s-39
23s-19s = -39+45
4s = 6 / :4
s = ⁶/₄
s= 1²/₄
s= 1 ½
1 5 1
2010-03-01T15:18:27+01:00
23s-45=19s-39
23s - 19s = -39 + 45
4s = 6 /:4
s= 6/4 = 1,5
1 1 1
2010-03-01T15:20:37+01:00
23s-45=19s-39
23s-19s= -39+45
4s=6 / :4
s=6/4
s=3/2 = 1 i 1/2
1 1 1