Oblicz proste ułamki.1. 23/28 - 5/14=2. 2 * 5/18=3. 7/21*3=4. 8/21:2=5. 3:27/29=
23/28-10/28=13/28
2*5/18=10/18
7/21*3=21/21=1
8/21:2=8/21*1/2=8/42
3:27/29=3*29/27=29/9
23 5 23 10 13
--- - ---= ----- - ----= -----
28 14 28 28 28
5 5
2· ----=-----
18 9
7 21
--- · 3=-----= 1
21 21
8 8 1 8 4
--- : 2=----- · ----=------=----
21 21 2 42 21
27 29 29 2
3: ----=3· ----=---=3----
29 27 9 9
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23/28-10/28=13/28
2*5/18=10/18
7/21*3=21/21=1
8/21:2=8/21*1/2=8/42
3:27/29=3*29/27=29/9
23 5 23 10 13
--- - ---= ----- - ----= -----
28 14 28 28 28
5 5
2· ----=-----
18 9
7 21
--- · 3=-----= 1
21 21
8 8 1 8 4
--- : 2=----- · ----=------=----
21 21 2 42 21
27 29 29 2
3: ----=3· ----=---=3----
29 27 9 9