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AnonimaZO
a fost răspuns

Rezolvati va rog exercitiile:
a) 9^3•27^2:81^3
b) 16^15:32^12
c)64^5:32^5

Răspuns :

BiancaShelley
1)729*729:531.441=531.441:531.441=1

Mirelarianna
a)9^3×27^2:81^3=(3^2)^3×(3^3)^2:(3^4)^3=3^6×3^6:3^12=3^6+6-12=3^0=1 b)16^15:32^12=(2^4)^15:(2^5)^12=2^60:2^60=2^60-60=2^0=1 c)64^5:32^5=(2^6)^5:(2^5)^5=2^30:2^25=2^30-25=2^5=32

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