Odpowiedzi

2009-10-22T19:47:45+02:00
√18 - √8 = √(9*2) - √(4*2) = √9 * √2 - √4 *√2 = 3*√2 - 2*√2 = √2
8 3 8
2009-10-22T19:47:59+02:00
√18 = √9*2 =3√2
√8=√4*2=2√2

3√2-2√2=1√2
8 3 8