Odpowiedź :
Odpowiedź:
9 1/5 - 3 7/9 = 9 9/45 - 3 35/45 =
= 8 54/45 - 3 35/45 = 5 19/45
12 1/2 + 5 9/10 + 4 2/3 =
= 12 15/30 + 5 27/30 + 4 20/30 =
= 21 62/30 = 23 2/30 = 23 1/15
1586 134/268 - 1585 3/4 =
= 1586 2/4 - 1585 3/4 =
= 1585 6/4 - 1585 3/4 = 3/4