\(x=\frac{10^2.5^3.15^6}{3^6.5^{10}}=\frac{\left(2.5\right)^2.5^3.\left(3.5\right)^6}{3^6.5^{10}}=\frac{2^2.5^2.5^3.3^6.5^6}{3^6.5^{10}}=\frac{2^2.5^{11}.3^6}{3^6.5^{10}}=2^2.5=4.5=20\)
Vậy x=20.
Tìm số nguyên x, nếu biết
\(5^{x+4}-3.5^{x+3}=2.5^{11}\)
\(4^{x+3}-3.4^{x+1}=13.4^{11}\)
\(\left(\frac{1}{3}+\frac{1}{6}\right)2^{x+4}-2^x=2^{13}-2^{10}\)
\(\left(\frac{1}{2}-\frac{1}{6}\right)3^{x+4}-4.3^x=3^{16}-4.3^{13}\)
a) \(\left(\frac{6^3-10,5^3}{6^2.3^3-15^2.5^2}.\left|x-2\right|\right):10=\left(1-\frac{1}{2}\right).\left(1-\frac{1}{3}\right).....\left(1-\frac{1}{9}\right).\left(1-\frac{1}{10}\right)\)
b) \(\frac{x-2018}{2}+\frac{x-2020}{4}=\frac{x-2040}{8}+\frac{x-2030}{14}\)
Tìm số ự nhiên x biết.
a, 2x=46.163
b, 2x=\(\frac{47}{83}\)
c, \(\frac{2^{x-3}}{4^{10}}\)=83
d,5.3x=54
e, 9.5x=6.56+3.56
1/ TÌM X BIẾT :
a) \(|x-\frac{1}{2}|+3=2^2\)
c) \(^{3^x}+3^{x+2}=10^2-2.5\)
b) \(3-2x^2=\frac{5}{2}\)
Tìm x:
|x| - 3 = 4
Tính
\(\frac{10^3+2.5^3+5^3}{55}\)
nhanh nha
Tìm x biết :
\(\frac{x+3}{10}+\frac{x+4}{9}=\frac{x+5}{8}+\frac{x+6}{7}\)
Tìm x biết : \(\frac{5}{6}x-\frac{3}{8}x-10=\frac{x}{7}\)
tìm x biết \(|x+1|+|x+\frac{1}{3}|+|x+\frac{1}{6}|+|x+\frac{1}{10}|+...+|x+\frac{1}{190}|=20x\) =20x
Tìm x biết:
\(\frac{1}{3}+\frac{1}{6}+\frac{1}{10}+...+\frac{2}{x\left(x+1\right)}=\frac{2016}{2017}\)
