\(a+\frac{a}{0,25}+\frac{a}{0,2}=4,5\)
\(a.\left(1+\frac{1}{0,25}+\frac{1}{0,2}\right)=4,5\)
\(a.10=4,5\)
\(a=0,45\)
\(a+\frac{a}{0,25}+\frac{a}{0,2}=4,5\)
\(a.\left(1+\frac{1}{0,25}+\frac{1}{0,2}\right)=4,5\)
\(a.10=4,5\)
\(a=0,45\)
