Question

-(-12)+(-31)-(+10)=
-1+(-1+2+3+4)-(-2)=
+11-21+(-1-1+5-8)=
-(-10+5)+(-7+4+3+10)=
-(-10+5)+(-7+4+3+10=
15-(10+8-2-5-3+1)-(10-3-9)=
(3+2+8-7)-(-4-2)=
(3-9)+(5-3)+(2-6)-(3+4)=
Resuelve es suma algebraica​

Answer 1

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