\(\dfrac{7}{8}-x=\dfrac{2}{3}+\dfrac{1}{8}\)
\(\dfrac{7}{8}-x=\dfrac{16}{24}+\dfrac{3}{24}\)
\(\dfrac{7}{8}-x=\dfrac{19}{24}\)
\(x=\dfrac{7}{8}-\dfrac{19}{24}\)
\(x=\dfrac{21}{24}-\dfrac{19}{24}\)
\(x=\dfrac{2}{24}=\dfrac{1}{12}\)
Đúng 1
Bình luận (0)