Odpowiedź:
Szczegółowe wyjaśnienie:
4 1/4 + 2 3/5 = 4 5/20 + 2 12/20 = 6 17/20
4/5 - 1/4 = 16/20 - 5/20 = 11/20
2 3/8 + 1 1/6 = 2 9/24 + 1 4/24 = 3 23/24
3 1/15 - 1 1/10 = 3 2/30 - 1 3/30 = 2 32/30 - 1 3/30 = 1 29/30
4 3/7 + 2 2/3 = 4 9/21+ 2 14/21 = 6 23/21 = 7 2/21
2/3 + 1/5 = 10/15 + 3/15 = 13/15
8/9 - 1/3 = 8/9 - 3/9 = 5/9
4/7 + 1/2 = 8/14 + 7/14 = 15/14 = 1 1/14
Odpowiedź:
4 i 1/4 + 2 i 3/5 = 4 i 5/20 + 2 i 12/20 = 6 i 17/20
4/5 - 1/4 = 16/20 - 5/20 = 11/20
2 i 3/8 + 1 i 1/6 = 2 i 9/24 + 1 i 4/24 = 3 i 13/24
3 i 1/15 - 1 i 1/10 = 3 i 2/30 - 1 i 3/30 = 2 i 32/30 - 1 i 3/30 = 1 i 29/30
4 i 3/7 + 2 i 2/3 = 4 i 9/21 + 2 i 14/21 = 6 i 23/21 = 7 i 2/21
1/3 + 1/5 = 10/15 + 3/15 = 13/15
8/9 - 1/3 = 8/9 - 3/9 = 5/9
4/7 + 1/2 = 8/14 + 7/14 = 15/14 = 1 i 1/14