Bonjour Fiwalnay
[tex]\boxed{\dfrac{28}{5}\times\dfrac{-15}{-30}\times\dfrac{10}{-7}}=\dfrac{28}{5}\times\dfrac{1}{2}\times\dfrac{10}{-7}=\dfrac{28}{10}\times\dfrac{10}{-7}[/tex]
[tex]\\\\=\dfrac{28}{1}\times\dfrac{1}{-7}=\dfrac{28}{-7}=\boxed{-4}[/tex]
Par conséquent,
.
[tex]\boxed{\dfrac{28}{5}\times\dfrac{-15}{-30}\times\dfrac{10}{-7}=-4}[/tex]
