Răspunsuri

2014-07-03T10:35:38+03:00
1 + 2 + 3n = 4 + 5 + 6 + ... + 31 + 32
3 + 3n = 14 × (32 + 4) + 18
3 + 3n = 14 × 36 + 18
3 + 3n = 504 + 18
3 + 3n = 522
3n = 522 - 3
3n = 519
n = 519 ÷ 3
n = 173
1 5 1
2014-07-03T10:53:13+03:00
3 + 3n = 14 x 36 + 18
3n = 522 - 3
3n = 519
n = 519 : 3
n = 173
1 5 1