Question

25+{-12-[6+5-(4+10)-(-5+7)]-2}ayudaa porfavor

Answer 1

25+{-12-[6+5-(4+10)-(-5+7)]-2}

25+{-12-[6+5-14-2]-2}

25+{-12-[11-14-2]-2}

25+{-12-[11-12]-2}

25+{-12-(-1)-2}

25+(-13)

12