Răspuns :
[tex]\bf 7 \cdot1\dfrac{1}{14} = 7\cdot\dfrac{1\cdot14+1}{14}=7 \cdot\dfrac{15}{14}=\not7\cdot\dfrac{15}{\not14}=\dfrac{15}{2}[/tex]
[tex]\bf 7 \cdot1\dfrac{1}{14} = 7\cdot\dfrac{1\cdot14+1}{14}=7 \cdot\dfrac{15}{14}=\not7\cdot\dfrac{15}{\not14}=\dfrac{15}{2}[/tex]