Question

suprime signos de agrupacion y resuelve

A. -6+(-3+4+2-5)-2-(-2+1-4+5)+3
B.(-2+1-3)+(4-3+1)-(7-1+3)-1
C. +8{6-[3-(4-5-2+1)+2]-3}-(2-1+4)
D.{ [63(-3+1-2)-1+(4-1-1)]-16}+5

Answer 1

a. -6+(-8+6)-2(0)+3
-6+(-2)-2(0)+3
-6-2-2+0+3
=-7