Was ist die Quadratwurzel von 2.25?

$1.5$ $1.5$

$15^{2} = 225$ $15^2 = 225$ , damit $2.25 = \frac{225}{100} = \frac{225}{10^{2}}$ $2.25 = 225/100 = 225/(10^2)$

und $\sqrt{2.25} = \sqrt{\frac{15^{2}}{10^{2}}} = \frac{15}{10} = 1.5$ $sqrt(2.25) = sqrt((15^2)/(10^2)) = 15/10 = 1.5$

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