[5+1/2]fois1/7 pouver vous maider svp

Bonsoir,

[tex](5+\dfrac{1}{2})\times\dfrac{1}{7}=(\dfrac{10}{2}+\dfrac{1}{2})\times\dfrac{1}{7}\\\\=\dfrac{11}{2}\times\dfrac{1}{7}\\\\=\dfrac{11}{14}[/tex]

= (5 + 1/2 ) x 1/7
= ( 10/2 + 1/2 ) x 1/7
= 11/2 x 1/7
= 11/14 <== Simplifier