RESUELVE: 1. (-8) + (+4)= 2. ( -5)-(-15)= 4.(-21)-(-7)= 5. (+4)+ (-5)-(+7)-(-3)= 6.(-2)+ (+5)+(-6)-(-8) =
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Verified answer
Respuesta:
1. (-8) + (+4)=
-8+4
-4
2. ( -5)-(-15)=
-5+15
+10
4.(-21)-(-7)=
-21+7
-14
5. (+4)+ (-5)-(+7)-(-3)=
+4-5-7+3
+7-12
-5
6.(-2)+ (+5)+(-6)-(-8) =
-2+5-6+8
-8+13
+5
Respuesta:
da 15
Explicación paso a paso: