Niech:
a - pierwsza liczba
5a - druga liczba
a + 5a = 72
6a = 72
a = 12
5a = 5 · 12 = 60
Odp.: Jedna z tych liczb to 12, a druga 60.
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Niech:
a - pierwsza liczba
5a - druga liczba
a + 5a = 72
6a = 72
a = 12
5a = 5 · 12 = 60
Odp.: Jedna z tych liczb to 12, a druga 60.