\(=\dfrac{2^{60}+2^{40}}{2^{50}+2^{30}}=\dfrac{2^{40}\left(2^{20}+1\right)}{2^{30}\left(2^{20}+1\right)}=2^{10}\)
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8^20+4^20\4^25+64^5
Tính
\(\frac{8^{20}+4^{20}}{4^{25}+64^5}\)
Tính :
a)\(\dfrac{8^{20}.4^{10}}{16^{21}}\)
b)\(\dfrac{8^{20}+4^{20}}{4^{25}+64^5}\)
a,dfrac{8^{20}+4^{20}}{4^{25}+64^5}b,left(1+dfrac{2}{3}-dfrac{1}{4}right).left(dfrac{4}{5}-dfrac{3}{4}right)^2c,23dfrac{1}{3}:left(dfrac{-5}{7}right)-13dfrac{1}{3}:left(dfrac{-5}{7}right)d,1:left(dfrac{2}{3}-dfrac{3}{4}right)^2e,dfrac{45^{10}.5^{20}}{75^{15}}
Đọc tiếp
a,\(\dfrac{8^{20}+4^{20}}{4^{25}+64^5}\)
b,\(\left(1+\dfrac{2}{3}-\dfrac{1}{4}\right).\left(\dfrac{4}{5}-\dfrac{3}{4}\right)^2\)
c,\(23\dfrac{1}{3}:\left(\dfrac{-5}{7}\right)-13\dfrac{1}{3}:\left(\dfrac{-5}{7}\right)\)
d,1:\(\left(\dfrac{2}{3}-\dfrac{3}{4}\right)^2\)
e,\(\dfrac{45^{10}.5^{20}}{75^{15}}\)
Tính :
a)frac{8^{14}}{4^{12}}
b)frac{120^3}{40^3}
Thực hiện phép tính:
a)frac{45^{10}.5^{20}}{75^{15}}
frac{8^{20}+4^{20}}{4^{25}+64^5}
Tìm x:
a)5(x -2)(x +3) 1
b) x2 - 0,25 0
c) frac{8}{2^x}2
d)left(frac{3}{4}right)^xfrac{2^8}{3^4}
Đọc tiếp
Tính :
a)\(\frac{8^{14}}{4^{12}}\)
b)\(\frac{120^3}{40^3}\)
Thực hiện phép tính:
a)\(\frac{45^{10}.5^{20}}{75^{15}}\)
\(\frac{8^{20}+4^{20}}{4^{25}+64^5}\)
Tìm x:
a)5(x -2)(x +3)= 1
b) x2 - 0,25 =0
c) \(\frac{8}{2^x}=2\)
d)\(\left(\frac{3}{4}\right)^x=\frac{2^8}{3^4}\)
Tính:
\(25^{10}.\left(\frac{1}{5}\right)^{20}+\left(\frac{3}{4}\right)^8.\left(-\frac{4}{3}\right)^8-2011^0\)
Thực hiện phép tính \(\dfrac{4^5.9^{4^{ }}-2.6^{9^{ }}}{2^{10^{ }}.3^{8^{ }}+6^{8^{ }}.20}:\sqrt{\dfrac{25}{9}}\)
Tính
5^5 . 20^4 / 25^5 . 4^5
1) \(25^{10}.\left(\dfrac{1}{5}\right)^{20}+\left(\dfrac{-3}{4}\right)^8.\left(\dfrac{-4}{3}\right)^8-2018^0\)
2) \(\left(\dfrac{5}{2}-\dfrac{4}{3}\right).\dfrac{6}{7}+\left(\dfrac{-3}{2}\right)^5:\left(\dfrac{-3}{2}\right)^3\)
3) \(\dfrac{4^5.9^4-2.6^9}{3^8.2^{10}+6^8.20}\)