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1qcm÷400000000=??? :-)

 08.12.2014
 #1
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0

1 cm² = 100 mm²


$${\frac{{\mathtt{100}}}{{\mathtt{400\,000\,000}}}} = {\mathtt{0.000\: \!000\: \!25}}$$     [ mm² ]

 08.12.2014

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