2251596-11245+273416+254=2240351+273670=2514021

10=2.5

100

=10²

=(2.5)²

=2².5²

1000

=10³

=(2.5)³

=2³.5³

10 000

=10⁴

=(2.5)⁴

=2⁴.5⁴

\(\frac{6\frac{1}{4}}{x}=\frac{x}{1.96}\)

=> \(x^2=6\frac{1}{4}.96\)

=> \(x^2=600\)

=> \(x\approx24,5\)

x=9,711 ; 9,712;9,713;9,714;9,715;9,716;9,717