Question

[-3+3. (-7+3)-10]. (-2) qual o valor dessa expressão?

Answer 1

[-3+3.(-4)-10].(-2)
[-3-12-10].(-2)
[-25].(-2)
50

Answer 2

[-3 + 3 . ( -7 + 3 ) - 10 ] . ( -2 ) =
[ - 3 + 3 . ( -4 ) - 10 ] . (-2) =
[ - 3 + 3 . - 4 - 10 ] . ( - 2) =
[ - 3  - 12 - 10 ] . (-2) =
[ -25 ] . (-2) =    + 50