Răspuns:
Explicație pas cu pas:
a^15*a : a^6 = a^10
a^10 > a^2
a^10 < a^4
a^10 = a^10
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(a *a^3)^2 = (a^4)^2 = a^8
a^8 > a^2
a^8 > a^4
a^8 < a^10
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a^12 : a^2 : a^4 = a^6
a^6 > a^2
a^6 > a^4
a^6 < a^10
_________________
(a*a^2*a^3)^2 : (a^5)^2 = (a^6)^2 : a^10 = a^12 : a^10 = a^2
a^2 = a^2
a^2 < a^4
a^2 < a^10
