Odpowiedzi

2010-03-08T23:55:25+01:00
A) ((½)^a)² = 1/64
½^2a=½^6 => a=3
b)16³/2^b = 8
2^7/2^b=2^3 => 7-b=3 => b=4
c) 64² = c⁶
4^6=c^6 => c=4
d) 3^10/27^d = 3
3^10/3^3d=3^1 => 10-3d=1 =>3d=9 => d=3
e)125^e/5⁴ = 5⁵
5^3e/5^4=5^5 => 3e-4=5 => 3e=9 => e=3
f)(81²)^f : 9 =3⁶
3^8f:3^2=3^6 => 8f-2=6 => 8f=8 => f=1
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