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4km+15dm

 06.01.2020
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4km+15dm

 

Hallo Guest!

 

\(4km+15dm=4km\cdot \frac{1000m}{km}+15dm\cdot\frac{1m}{10dm}\\ =4000m+1,5m\\ \)

\(=4001,5m\)

laugh  !

 06.01.2020

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