Odpowiedzi

2009-10-27T12:06:07+01:00
A) -5\9 × (-5\9) = 1
b) -5\9 × 0 = 0
c) -5\9 × (-18\9) = 2
d) -5\9 × 5\9 = -1
2009-10-27T12:09:09+01:00
A) -5:9 * (-5:9) = 1
b) -5:9 * 0 = 0
c) -5:9 * (-18:9) = 2
d) -5:9 * 5:9 = -1

:)
2009-10-27T12:30:14+01:00
A)(-5/9)*(-9/5)=1
(-5/9)*0=0
(-5/9)*(-18/5)=2

(-5/9)*9/5=-1