Odpowiedzi

2009-10-27T17:11:47+01:00
(1/3)² × (-9) = 1/9 × (-9) = -1
(-6)² : 1/2 = 36 * 2 = 72
3 3/4 : (-1,25)² = 15/4 * 16/25 = 12/5 = 2 2/5
1 5 1