Question

77-3•4+2{4-6[42-8+3(-8+5)+(2-1)]-2}

Answer 1

Resposta:

Explicação passo-a-passo:

77-3.4+2.{4-6.[42-8+3.(-8+5)+(2-1)]-2} =

77-3.4+2.{4-6.[42-8+3.(-3)+(1)]-2}=

77-3.4+2.{4-6.[42-8-9+1]-2} =

77-3.4+2.{4-6.[34-9+1]-2} =

77-3.4+2.{4-6.[25+1]-2} =

77-3.4+2.{4-6.[26]-2} =

77-3.4+2.{4-156-2} =

77-3.4+2.{-152-2} =

77-12+2.{-154} =

65+2.{-154} =

65-308 = -243