Răspuns:
Explicație pas cu pas:
3.
a) (+2)^8 : (+2)^6 = (+2)^2
b) (-3)^3
c) (-5)^6 = (+5)^6
(-5)^6 : (+5)^4 = (+5)^2
d) (-7)^5 = - (+7)^5
(-7)^5 : (+7)^3 = - (+7)^2
e) (+2)^10 : (+4)^4 = (+2)^10 : [(+2)^2]^2 = (+2)^10 : (+2)^8 = (+2)^2
f) (+3)^9 : (-3)^6 = (+3)^9 : (+3)^6 = (+3)^3
4.
a) (+2)^6
b) (-2)^6
c) (-3)^6
d) (-1)^50
e) (-1)^2n
f) (-5)^0 = 1
