10x + y - liczba dwucyfrowa
x = y + 3
x < 10
-------------
y = 0 , to x = 0+3 = 3
Liczba: 30
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y = 1, to x = 1 + 3 = 4
Liczba: 41
y = 2, to x = 2+ 3 = 5
Liczba: 52
y = 3, to x = 3 + 3 = 6
Liczba: 63
y = 4, to x = 4 + 3 = 7
liczba: 74
y = 5 , to x = 5 + 3 = 8
Liczba: 85
y = 6, to x = 6 + 3 = 9
Liczba 96
Odp. Liczby: 30,41,52,63,74,85,96
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10x + y - liczba dwucyfrowa
x = y + 3
x < 10
-------------
y = 0 , to x = 0+3 = 3
Liczba: 30
--------------
y = 1, to x = 1 + 3 = 4
Liczba: 41
y = 2, to x = 2+ 3 = 5
Liczba: 52
y = 3, to x = 3 + 3 = 6
Liczba: 63
y = 4, to x = 4 + 3 = 7
liczba: 74
y = 5 , to x = 5 + 3 = 8
Liczba: 85
y = 6, to x = 6 + 3 = 9
Liczba 96
Odp. Liczby: 30,41,52,63,74,85,96
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