Question

3) Resolva as expressões abaixo: a) 20-(14.6+23)=? b) 62+2.[23+2.(32.13)]-25.50=?​

Answer 1

Resposta:

a) 87 b) 522

Explicação passo-a-passo:

a) 20-(14.6+23)

20-(84+23)

20-107 = 87

b) 62+2. [23+2.(32.13)]-25.50

62+2.[23+2.416]-25.50

62+2.[23+832]-25.50

62+2.855-25.50

62+1710-1250

62+460= 522