1 liczba = x
2 liczba = x + 3
3 liczba = x + 3 + 4
4 lcziba = 2/5 ( x + 3 )
x + x + 3 + x + 3 + 4 + 2/5 ( x + 3 ) = 35
3x + 10 + 2/5x + 6/5 = 35
17/5x + 56/5 = 35 | * 5
17x + 56 = 175 | - 56
17x = 119 | : 17
x = 7
1 liczba = x = 7
2 liczba = x + 3 = 7 + 3 = 10
3 liczba = x + 3 + 4 = 7 + 7 = 14
4 lcziba = 2/5 ( x + 3 ) = 2/5 * 7 + 6/5 = 14/5 + 6/5 = 20/5 = 4
Sprawdzenie :
7 + 10 + 14 + 4 = 35
35 = 35
Pozdrawiam! ;D
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1 liczba = x
2 liczba = x + 3
3 liczba = x + 3 + 4
4 lcziba = 2/5 ( x + 3 )
x + x + 3 + x + 3 + 4 + 2/5 ( x + 3 ) = 35
3x + 10 + 2/5x + 6/5 = 35
17/5x + 56/5 = 35 | * 5
17x + 56 = 175 | - 56
17x = 119 | : 17
x = 7
1 liczba = x = 7
2 liczba = x + 3 = 7 + 3 = 10
3 liczba = x + 3 + 4 = 7 + 7 = 14
4 lcziba = 2/5 ( x + 3 ) = 2/5 * 7 + 6/5 = 14/5 + 6/5 = 20/5 = 4
Sprawdzenie :
7 + 10 + 14 + 4 = 35
35 = 35
Pozdrawiam! ;D