bonjour

on calcule dans chq (  )

on aura

D = 6/8 - (-14/4)

  = 3/4 + 14/4

  = 17/4

Verified answer

Bonjour,

[tex]D=(\frac{13}{8}-\frac{7}{8})-(-\frac{5}{4}-\frac{9}{4})=\frac{6}{8}+\frac{14}{4}= \frac{6}{8}+\frac{28}{8}=\frac{34}{8}=\frac{17}{4}[/tex]

Mia a raison.