Răspuns :
(-15)x(-2 3/4)x0,(12):(-2 1/2) =
(-15)x(-11/4)x(12/99):(-5/2) =
(165/4)x(12/99)x(-2/5) =
(1980/396)*(-2/5) =
5*(-2/5) = -2
(-15)x(-2 3/4)x0,(12):(-2 1/2) =
(-15)x(-11/4)x(12/99):(-5/2) =
(165/4)x(12/99)x(-2/5) =
(1980/396)*(-2/5) =
5*(-2/5) = -2