Odpowiedź:
a)
1 1/3 + 4/5 = 1 5/15 + 12/15 = 1 17/15 = 2 2/15
b)
2 5/7 + 1 3/8 = 2 40/56 + 1 21/56 = 3 61/56 = 4 5/56
c)
5/9 + 5/6 = 10/18 + 15/18 = 25/18 = 1 7/18
d)
2 3/10 + 3 3/4 = 2 6/20 + 3 15/20 = 5 21/20 = 6 1/20
e)
2 4/5 + 3/7 = 2 28/35 + 15/35 = 2 43/35 = 3 8/35
Szczegółowe wyjaśnienie:
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Odpowiedź:
a)
1 1/3 + 4/5 = 1 5/15 + 12/15 = 1 17/15 = 2 2/15
b)
2 5/7 + 1 3/8 = 2 40/56 + 1 21/56 = 3 61/56 = 4 5/56
c)
5/9 + 5/6 = 10/18 + 15/18 = 25/18 = 1 7/18
d)
2 3/10 + 3 3/4 = 2 6/20 + 3 15/20 = 5 21/20 = 6 1/20
e)
2 4/5 + 3/7 = 2 28/35 + 15/35 = 2 43/35 = 3 8/35
Szczegółowe wyjaśnienie: