Odpowiedzi

2010-02-28T19:45:22+01:00
2/3 + [(-1/3)² + (-1/3)²] : 1/3 =
= 2/3 + (1/9 + 1/9)*3 =
= 2/3 + 2/18 * 3 =
= 2/3 + 2/6 =
= 4/6 + 2/6 = 6/6 = 1
2010-02-28T19:49:29+01:00