Question

[Nhật Huy Trần]

a/27=-5/9=-45/b

Lúc nãy mik viết sai đề bài nhé!

Answer 1

[Nguyễn Lê Phước Thịnh]

\(\dfrac{a}{27}=\dfrac{-45}{b}=\dfrac{-5}{9}\)

\(\Leftrightarrow\left\{{}\begin{matrix}a=\dfrac{-5}{9}\cdot27=-15\\b=\dfrac{-45\cdot9}{-5}=81\end{matrix}\right.\)

Answer 2

[Minh Hiếu]

\(\Rightarrow\left\{{}\begin{matrix}a=\dfrac{27.-5}{9}=-15\\b=\dfrac{-45.9}{-5}=81\end{matrix}\right.\)