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Tìm x biết:\(\frac{1}{4}.\frac{2}{6}.\frac{3}{8}...\frac{30}{62}.\frac{31}{64}=2^x\)
tìm x biếta,
|2-frac{3}{2}x|-4x+2b,left(4x-1right)^{30}left(4x-1right)^{20}c,2.3^x-4053^{x-1}d.left(frac{1}{81}right)^x.27^{2.x}left(-9right)^4e,frac{x+1}{65}+frac{x+3}{63}frac{x+5}{61}+frac{x+7}{59}g,left(frac{1}{2}right)^{3x-1}frac{1}{32}h,|3x-5||frac{1}{2}x+3|i,left(frac{3}{4}-xright)^3frac{1}{64}
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tìm x biết
a,\( |2-\frac{3}{2}x|-4=x+2\)
b,\(\left(4x-1\right)^{30}=\left(4x-1\right)^{20}\)
c,\(2.3^x-405=3^{x-1}\)
d.\(\left(\frac{1}{81}\right)^x.27^{2.x}=\left(-9\right)^4\)
e,\(\frac{x+1}{65}+\frac{x+3}{63}=\frac{x+5}{61}+\frac{x+7}{59}\)
g,\(\left(\frac{1}{2}\right)^{3x-1}=\frac{1}{32}\)
h,\(|3x-5|=|\frac{1}{2}x+3|\)
i,\(\left(\frac{3}{4}-x\right)^3=\frac{1}{64}\)
Tìm x biết rằng
a)\(\frac{1}{4}.\frac{2}{6}.\frac{3}{8}.\frac{4}{10}.\frac{5}{12}...\frac{30}{62}.\frac{31}{64}=2x\)
b)\(\left(x-1\right)^{x+2}=\left(x-1\right)^{x+4}\)
Tìm x biết : \(\frac{1}{4}\times\frac{2}{6}\times\frac{3}{8}\times\frac{4}{10}\times.......\times\frac{30}{62}\times\frac{31}{64}=2^x\)
Tìm x biết rằng :
\(\frac{1}{4}.\frac{2}{6}.\frac{3}{8}.\frac{4}{10}.\frac{5}{12}...\frac{30}{62}.\frac{31}{64}=2^x\)
Thanks for helping !
Tìm x biết
a) \(\frac{x+1}{2x+1}=\frac{\frac{1}{2}x+2}{x+3}\)
b) \(x^2+5x=0\)
c) \(\frac{1}{4}.\frac{2}{6}.\frac{3}{8}.\frac{4}{10}.\frac{5}{12}...\frac{30}{62}.\frac{31}{64}=2^x\)
Tìm x:
\(a,\left|x-3\right|-2x=\left|x-4\right|\)
\(b,\frac{1}{4}\times\frac{2}{6}\times\frac{3}{8}\times\frac{4}{10}\times...\times\frac{30}{62}\times\frac{31}{64}=2^x\)
Tìm x biết
a)5x+2=625
b)\(\frac{1}{4}.\frac{2}{6}.\frac{3}{8}.\frac{4}{10}.\frac{5}{12}...\frac{30}{62}.\frac{31}{64}=2^x\)
Tìm x biết:
\(\frac{x-1}{65}+\frac{x-3}{63}=\frac{x-5}{61}+\frac{x-7}{59}\)