Question

(9-4-12)-1+(9-5-3)??

Answer 1

Olá, Andressa. (=^.^=)/

(9-4-12)-1+(9-5-3) = -7

(9-16)-1+(9-8) = 
-7-1+(1) = 
-8+1 = -7

Bons estudos! :-D