Efectua en tu cuaderno a)-(6-3)-[2-(5-7)-3] b)2+{-[-(7+8)+(4-3)]-2} c)-[5-(4-7)-(2-3)] d)-(7-3)-(5-2-[12-6)-(9-5)] efectua en tu cuaderno a)-(6-3)-[2-(5-7)-3] b)2+{-[-(7+8)+(4-3)]-2} c)-[5-(4-7)-(2-3)] d)-(7-3)-(5-2-[12-6)-(9-5)] porfas
mdamaya
A) -(3)-(2-(5-7)-3)= -(3)-(2-(-2)-3)=-(3)-(2+2-3)=-3-1=-4
b) 2+(-(-15+1)-2)=2+(-(-14)-2)=2+(14-2)=2+12=14
c) -(5-(-3)-(-1))=-(5+3+1)=-9
d). -(4)-(5-2-(6)-(4))=-4-(5-2-6-4)=-4-(-7)=-4+7=3