Odpowiedzi

2010-03-24T18:33:14+01:00
12/15 = 4/5 = 0,8
18/36 = 1/2 = 0,5
18/24 = 3/4 = 0,75
36/60 = 3/5 = 0,6
28/35 = 4/5 = 0,8
9/600 = 3/200 = 0,015

2/3+0,25 = 2/3+1/4 = 8/12+3/12 = 11/12
0,75-3/7 = 3/4-3/7 = 21/28-12/28 = 9/28
2i1/3:0,28 = 7/3:7/25 = 7/3*25/7 = 25/3 = 8i1/3
2,8+1i3/4 = 2i4/5+1i3/4 = 2i16/20+1i15/20 = 4i1/20
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