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b)5^2=25
c)-25 (na milion procent źle przepisałeś)
d)-25
zad.2
a)(-3)^7
b)(-3)^7
c)49 lub 7^2
d)5^2*(-5)^7=(-5)^9
a) (-3)^4 = 81
b) (-5)^2 = 25
c) (-5^2) = -25
d) -5^2 = -25
a) (-3)^2 * (-3)^5 = (-3)^7 = - 2187
b) (-3)^3 * (-3)^4 = (-3)^7 = - 2187
c) -(-7)^2 = -49
d) 5^2 * (-5)^3 * (-5)^4 = (-5)^2 * (-5)^7 = (-5)^9 = - 1953125