\(5\cdot x\cdot15625=625\)
\(5\cdot x=625:15625\)
\(\Rightarrow x=\frac{1}{25}:5=\frac{1}{125}\)
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\(5\cdot x\cdot15625=625\)
\(5\cdot x=625:15625\)
\(\Rightarrow x=\frac{1}{25}:5=\frac{1}{125}\)
Tìm x:25<5^:5^2<625
5^x . (5^3)^2 = 625
\(5^x:\dfrac{1}{5}+10x=625+10x\)
tìm x biết
5^x+5^x+2=625
5^x . (5^3)^2 = 625
Tìm x:
5x+2=625
5x+2=625
\(5^{x-1}+5^{x+1}=\left(\frac{625}{26}\right)^{-1}\)
Tìm x biết (-3/5)^2x-1=-81/625