\(\frac{15^3.8^2}{5^6.4^4}=\frac{\left(3.5\right)^3.\left(2^3\right)^2}{5^6.\left(2^2\right)^4}=\frac{3^3.5^3.2^6}{5^6.2^8}=\frac{3^3}{5^3.2^2}=\frac{27}{500}\)
Rút gọn : a)\(K=\frac{2^{11}.9^2}{3^5.16^2}\) b)\(N=\frac{9^3.27^2}{6^2.3^{10}}\) c)\(P=\frac{27^{15}.5^3.8^4}{25^2.81^{11}.2^{11}}\)
rút gọn
a)K=\(\frac{2^{11}.9^2}{3^5.16^2}\)
b)N=\(\frac{9^3.27^2}{6^2.3^{10}}\)
c)P=\(\frac{27^{25}.5^3.8^4}{25^2.81^{11}.2^{11}}\)
Rút gọn
a) \(\frac{2^{13}.3^7}{2^{15}.3^2.9}\)
b) \(\frac{4^{10}+8^4}{4^5+8^6}\)
2) rút gọn
\(A=\frac{3^6.45^4-15^{13}.5^{-9}}{27^4.25^3+45^6}\)
Rút gọn
\(A=\frac{a^2.a^7.b^2.c^8}{a^5.b^3.\left(-c\right)^4}\)
B=\(\left(\frac{3}{7}\right)^{5.}\frac{\left(25\right)^4.7^5}{15^4.20^2}\)
Rút gọn
f) \(\frac{25^2.20^4}{5^{10}.4^5}\)
i) \(\frac{9^{15}.81^4}{27^8.3^{20}}\)
Rút gọn
\(\frac{3}{2^2}.\frac{8}{3^2}.\frac{15}{4^2}......\frac{899}{30^2}\)
Hộ!
tính:
a)\(\frac{4^6.9^5+6^9.120}{8^4.3^{12}-6^{11}}\)
b)\(\frac{2^{15}.9^4}{6^3.8^3}\)
c)\(\frac{8^{10}+4^{10}}{8^4+4^{11}}\)
thực hiện phép tính
\(\frac{45^{10}.5^{10}}{75^{10}}\)
\(\frac{2^{15}.9^4}{6^3.8^3}\)
