Zadanie 1
\frac{(2 ^{10} * 2 ^{5}) : (10 ^{4})^{2} }{2 ^{2} * 4 ^{2} * 5 ^ {2}}=\frac{2^{15}:10^8}{(2^2)^2*(2*5)^2}=\frac{2^{15}}{2^4*10^2*10^8}=\frac{2^{15-4}}{10^{10}}=
\frac{2^{11}}{2^{10}*5^{10}}=\frac{2}{5^{10}}
Zadanie 2
Oblicz: dla x=(-4)
[x^{8} : (x ^{6} : x ^{4})] ^{3} : [x ^{9} * (x ^{3}) ^{2}]=(x^8:x^{6-4})^3:(x^9*x^6)=
(x^{8-2})^3:x^{15}=(x^6)^3:x^{15}=x^{18-15}=x^3=(-4)^3=-64