-5--6+-8=
5-6+8=
5+6-9=



Sagot :

-5--6 -8= -7 car -5+6= 1-8 =-7
5-6+8 =7 car 5-6+8= -1+8= 7
5+6-9 =2 car 5+6-9 = 11-9=2
5--6+-8= 3
5-6+8=
7
5+6-9= 2