minhnhoctran
minhnhoctran
15-06-2018
Mathematics
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Just confused on the 10n and 9n; n =
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gmany
gmany
15-06-2018
[tex]n=0.333...\ \ \ |\cdot10\\\\10n=3.333...\\\\10n-n=3.333...-0.333..\\\\9n=3\ \ \ |:9\\\\n=\dfrac{3}{9}\\\\n=\dfrac{1}{3}[/tex]
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