Answered

Bonjour
Pouvez m'aider SVP B= -81\13 - 81\65*52\-9
* =multiplier

Sagot :

Bonjour,

-81/13 - 81/65 * -52/-9 =

-81/13 + (-81 * -52)/(65 * 9) =

-81/13 + 4212/585 =

(-81 * 45)/(13 * 45) + 4212/585 =

-3645/585 + 4212/585 =

567/585 = (63 * 9)/(65 * 9) = 63/65