👤

(-3/35)-(+2/21)-(-11/42)-(-8/63)
Va rog,Ajutor!


Răspuns :

(-9/105)-(+10/105)-(-33/126)-(16/126) =
-9-10 /105 -( -33-16 /126) =
-19/105 - (-49/126) =
-19/105 + 49/126=
-114/630 + 245/630=
131/630