Odpowiedź :
Odpowiedź:
3/10 + 8/15 = 9/30 + 16/30 = 25/30 = 5/6
5/6 - 4/9 = 30/36 - 16/36 = 14/36 = 7/18
3/8 + 5/12 = 9/24 + 10/24 = 19/24
7/12 - 4/15 = 35/60 - 16/60 = 19/60
5/9 + 7/12 = 20/36 + 21/36 = 41/36 = 1 i 5/36
8/9 - 7/15 = 40/45 - 21/45 = 19/45
1/6 + 5/8 = 4/24 + 15/24 = 19/24
17/20 - 8/15 = 51/60 - 32/60 = 29/60
11/18 - 5 /12 = 22/36 - 15/36 = 7/36
Szczegółowe wyjaśnienie:
Odpowiedź:
3/10 + 8/15 = 9/30 + 16/30 = 25/30 = 5/6
5/6 - 4/9 = 30/36 - 16/36 = 14/36 = 7/18
3/8 + 5/12 = 9/24 + 10/24 = 19/24
7/12 - 4/15 = 35/60 - 16/60 = 19/60
5/9 + 7/12 = 20/36 + 21/36 = 41/36 = 1 i 5/36
8/9 - 7/15 = 40/45 - 21/45 = 19/45
1/6 + 5/8 = 4/24 + 15/24 = 19/24
17/20 - 8/15 = 51/60 - 32/60 = 29/60
11/18 - 5 /12 = 22/36 - 15/36 = 7/36
Szczegółowe wyjaśnienie: