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Verified answer
Punto 1:1. A)- (+25) - (+14)=
+ 25 -14. = +11
B)- (-13) - (-9)=
-13 +9= - 4
C)- (+31) -(+25)=
+31 -25= + 6
D)- (+12) - (-35)=
+12 +35= + 47
E)- (-84) -(+32)=
-84 -32= -118
F)- (-200) - (- 147)=
-200 +147= -53
Punto 2: foto
Punto 3: no lo se realizar lo siento pero los otros dos anteriores estan bien