Question

calcule o valor da expressão -2 .{[-3. (-2-5.3+4)-2]}

Answer 1

-5.3  = -15  = -15 -2 = -17 +4 = -13 .-3 = 39 +4 = 43 -2 =41 .-2 = -82

Answer 2

= -2.{[-3.(-2-5.3+4)-2]}
= -2.{[-3.(-2-15+4)-2]}
= -2.{[-3.(-17+4)-2]}
= -2{[-3.(-13)-2]}
= -2{[39-2]}
= -2{37}
= -74