Tính giá trị biểu thức:
a. \(\dfrac{20^5\times5^{10}}{100^5}\)
b. \(\dfrac{\left(0,9\right)^5}{\left(0,3\right)^6}\)
c. \(\dfrac{6^3+3\times6^2+3^3}{-13}\)
d. \(\dfrac{4^6\times9^5+6^9\times120}{8^4\times3^{12}-6^{11}}\)
e. \(\left(2^{-1}+3^{-1}\right):\left(2^{-1}-3^{-1}\right)+\left(2^{-1}\times2^0\right)\times2^3\)
f....
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Tính giá trị biểu thức:
a. \(\dfrac{20^5\times5^{10}}{100^5}\)
b. \(\dfrac{\left(0,9\right)^5}{\left(0,3\right)^6}\)
c. \(\dfrac{6^3+3\times6^2+3^3}{-13}\)
d. \(\dfrac{4^6\times9^5+6^9\times120}{8^4\times3^{12}-6^{11}}\)
e. \(\left(2^{-1}+3^{-1}\right):\left(2^{-1}-3^{-1}\right)+\left(2^{-1}\times2^0\right)\times2^3\)
f. \(\left(\dfrac{-1}{3}\right)^{-1}-\left(\dfrac{-3}{5}\right)^6+\left(\dfrac{1}{2}\right)^2:2\)
a, \(\dfrac{20^5.5^{10}}{100^5}=\dfrac{20^5.5^{10}}{\left(20.5\right)^5}=\dfrac{20^5.5^{10}}{20^5.5^5}=5^5\)
b,\(\dfrac{\left(0,9\right)^5}{\left(0,3\right)^6}=\dfrac{\left(0,3.3\right)^5}{\left(0,3\right)^6}=\dfrac{\left(0,3\right)^5.3^5}{\left(0,3\right)^6}=\dfrac{3^5}{\left(0,3\right)}\)