| 8 | ||
Wyznacz liczby x i y tak, aby liczby 2,x,y tworzyły ciąg arytmetyczny, a liczby y,x, | ||
| 3 |
Pomóżcie
| 2+y | ||
x = | ||
| 2 |
| 8 | 8 | |||
x2 = | *y = | (2x−2) /*3 | ||
| 3 | 3 |
| 16−8 | 8 | 4 | ||||
x1 = | = | = | ||||
| 6 | 6 | 3 |
| 8 | 8−6 | 2 | ||||
y1 = | −2 = | = | ||||
| 3 | 3 | 3 |
| 16+8 | ||
x2 = | = 4 | |
| 6 |
| 4 | 2 | 2 | 4 | 8 | ||||||
2; | ; | i | ; | ; | ||||||
| 3 | 3 | 3 | 3 | 3 |
| 8 | ||
2;4;6 i 6; 4; | ||
| 3 |