Odpowiedź :
1. 1/3 + 1/2 + 1/9 = 6/18 + 9/18 + 2/18 = 17/18
2. 3 2/5 + 1 3/8 + 2 7/10 = 17/5 + 11/8 + 27/10 = 136/40 + 55/40 + 108/40 = 299/40 = 7 19/40
3. 10 - (5 1/4 - 2 3/1) = 10 - 21/4 - 5/1 = 10 - 21/4 - 20/4 = 10 - 1/4 = 9 3/4
Liczę na naj :>
1. 1/3 + 1/2 + 1/9 = 6/18 + 9/18 + 2/18 = 17/18
2. 3 2/5 + 1 3/8 + 2 7/10 = 17/5 + 11/8 + 27/10 = 136/40 + 55/40 + 108/40 = 299/40 = 7 19/40
3. 10 - (5 1/4 - 2 3/1) = 10 - 21/4 - 5/1 = 10 - 21/4 - 20/4 = 10 - 1/4 = 9 3/4
Liczę na naj :>