Question

+15-9-2=
+20-50+10=
-5+2-4+9=
+6+6-13-12=
-8+6-4-3+9-3=​

Answer 1

Explicación paso a paso:

+15-9-2=. +15 - 11 = + 4

+20-50+10= + 30 - 50 = - 20

-5+2-4+9= + 11 - 9 = + 2

+6+6-13-12= + 12 - 25 = - 13

-8+6-4-3+9-3= + 15 - 18 = - 3