a + b + c = 1050.8b + b + 2/3(0.8b + b) = 105 | * 3024b + 30b + 16b + 20b = 315090b = 3150 | : 90b = 35 - Druga liczba.0.8b = 0.8 * 35 = 8/10 * 35 = 4 * 7 = 28 - Pierwsza liczbaa = 28 b = 3528 + 35 + c = 105 | - 63c = 42 - Trzecia liczba.Pozdrawiam ;)
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a + b + c = 105
0.8b + b + 2/3(0.8b + b) = 105 | * 30
24b + 30b + 16b + 20b = 3150
90b = 3150 | : 90
b = 35 - Druga liczba.
0.8b = 0.8 * 35 = 8/10 * 35 = 4 * 7 = 28 - Pierwsza liczba
a = 28
b = 35
28 + 35 + c = 105 | - 63
c = 42 - Trzecia liczba.
Pozdrawiam ;)