ANTONIALIMAH12GO
Respondido

2. bletue
9 + (-23) - {60+ [-11+(-11)-13]}​

Resposta :

MARIAVERASANTOS2011GO

Resposta:

9-23-{60+[-11-11-13]

9+23-{60+[22-13]

9+23-{60+[9]

9+23-{60+9}

9+23-{69}

9+23-69

9-46=47

espero ter ajudado