Rozwiązane

3/4 + 2/5 + 1/10 =
5/8 - 5/24 =
3/5 - 7/20 =
1/2 - 1/3 =
1/3-1/4 =
11/12 -7/8 =
3/8-3/10 =
4/9 - 4/1 =
3/4 - 9/14 =
7/8-5/12

Odpowiedź :

Annaa300viz
3/4 + 2/5 + 1/10 =15/20+8/20+2/20=25/20=1 i 5/20
5/8 - 5/24 = 15/24-5/24=10/24=5/12
3/5 - 7/20 =13/20-7/20=6/20
1/2 - 1/3 =3/6-2/6=1/6
1/3-1/4 =4/12-3/12=1/12
11/12 -7/8 =22/24-21/24=1/24
3/8-3/10 =15/40-12/40=3/40
4/9 - 4/1 =
3/4 - 9/14 =21/28-18/28=3/28
7/8-5/12 =21/24-10/24=11/24

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