Odpowiedzi

  • Użytkownik Zadane
2009-05-21T17:35:29+02:00
A) H = 1 (I)
N = 5 (V)
O = -2 (-II)

1 + 5 + 3 * (-2) = 0

b) Si = 4 (IV)
O = -2 (-II)

4 + 2 * (-2) = 0


c) Ca = 2 (II)
C = 4 (IV)
O = -2 (-II)

2 + 4 + 3 * (-2) = 0