\(\left(x-\frac{2}{3}\right)^3=-0,421875\)
\(x-\frac{2}{3}=\sqrt[3]{-0,421875}\)
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\(\frac{\left(27\frac{5}{19}-26\frac{4}{13}\right)\left(\frac{3}{4}+\frac{19}{59}-\frac{3}{18}\right)}{\left(\frac{3}{4}+x\right).\frac{27}{33}}=\frac{\frac{1}{13.36}+\frac{1}{14.17}}{\frac{1}{13.15}+\frac{1}{14.16}+\frac{1}{15.17}}\)
Tìm x
Tìm x biết :
a, \(\frac{27}{x+1}=\frac{x+1}{3}\)
b, \(\left(x-\frac{2}{9}\right)^3=\left(\frac{2}{3}\right)^6\)
Tìm x:
\(\frac{\left(27\frac{5}{19}-26\frac{4}{13}\right)\left(\frac{3}{4}+\frac{15}{59}-\frac{3}{118}\right)}{\left(\frac{3}{4}+x\right)\frac{27}{33}}=\frac{\frac{1}{13.16}+\frac{1}{14.17}}{\frac{1}{13.15}+\frac{1}{14.16}+\frac{1}{15.17}}\)
Tìm x,y,z,t thuộc Z biết: \(\frac{27}{4}=\frac{-x}{3}=\frac{3}{y^2}=\frac{\left(z+3\right)^2}{-4}=\left|t-2\right|\)
t thuộc N
Tìm x
a)\(14:\frac{0,4x+0,6}{x}+5=12\)
b)\(\left(160\%+\frac{2}{3}x-x\right).12+10=670\)
c)\(1:\left(\frac{1}{4}.\frac{2}{6}.\frac{3}{8}.\frac{4}{10}...\frac{31}{64}\right)=2^x\)
Tìm x:
\(5\frac{8}{17}:x+\left(-\frac{4}{17}\right):x+3\frac{1}{7}:17\frac{1}{3}=\frac{4}{11}\)
\(\left(x+\frac{1}{5}\right)^2+\frac{17}{25}=\frac{26}{25}\)
\(-1\frac{5}{27}-\left(3x-\frac{7}{9}\right)^3=\frac{-24}{27}\)
tìm x :\(\frac{\left(28\frac{3}{7}-27\frac{5}{9}\right).\left(2^{26}+5.4^{12}\right)}{8^{8.}\left(x-4\right)}\)
\(\frac{27}{4}=\frac{-x}{3}=\frac{3}{y^2}=\frac{\left(x+3\right)^3}{-4}=\)||t| - 2|/ 8. Tìm x; y ;t
Tìm x
a, \(\left(x-1\right)^{x+2}=\left(x-1\right)^{x+4}\)
b,\(\frac{1}{4}\cdot\frac{2}{6}\cdot\frac{3}{8}\cdot\frac{4}{10}\cdot\frac{5}{12}.....\frac{30}{62}\cdot\frac{31}{64}=2^x\)