Explicație pas cu pas:
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[tex] \bf \dfrac{AM}{AB} = \dfrac{2}{6}= \dfrac{\not2}{\not6}= \dfrac{1}{3} [/tex]
[tex] \bf \dfrac{MB}{AM} = \dfrac{4}{2}= \dfrac{\not4}{\not2}= \dfrac{2}{1}=2 [/tex]
[tex] \bf \dfrac{CN}{CD} = \dfrac{6}{7}[/tex]
[tex] \bf \dfrac{NC}{ND} = \dfrac{6}{1}[/tex]
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