Răspuns:
-12:-2= -6
+36:-2= +18
-12: +3= -4
36:3= +12
-12:-4= -3
36: -4 =+9
-12:+2= -6
36:2=+18
-12:-1= -12
36:-1= -36
-12:4= -3
36:4 =+9
-12:-3= -4
36:-3= +12
