Question

1. Diante dos exemplos resolvidos vamos achar o valor das expressoes a)2-[-(5+3)+(4+6-7) b) 3×[8-(6+4)+(3-2)​

Answer 1

Resposta:

A)2-[(5+3)+(4+6+-7)]

2-[(8)+(10-7)

2-[(8)+(3)]

2-[11]

9

B)3×[8-(6+4)+(3-2)

3×[8-(10)+(1)]

3×[2+(1)]

3×[3]

9