Respuesta :

Answer:

a) 19+7÷2-5 = 17.5

divide 7 with 2 first and it equals to 3.5 .

then it becomes 19+3.5-5 = 17.5

b) 19+7÷2-5

(19+7)÷2-5

=8

c) 19+7÷2-5

(19+7)÷(2×6+1)

=2

Otras preguntas