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20^8 : 5^8 = (20/5)^8 = 4^8
b)
1200^10 : (-60)^10 = (-1200/60)^10 = 20^10
lizba ujemna podniesiona do potegi parzystej da zawsza liczbe dodatnia,
dlatego jest tutaj zapisana potega 20^10 bez minusa
c)
(-56)^15 : 7^15 = (-56/7)^15 = (-8)^15
d)
(-150)^25 : (-50)^25 = [-150/(-50)]^25 = 3^25