La Red de Conocimientos Pedagógicos - Conocimientos universitarios - 8.27 preguntas del examen

8.27 preguntas del examen

(1)8,27+5,84+1,73+2,16,

=(8,27+1,73)+(5,84+2,16),

=18,

=18.

(2)18.51-9.08-0.92,

=18.51-(9.08+0.92),

=18.51-10,

=8.51.

(3)528÷6×5-432,

=88×5-432,

=440-432 ,

=8.

(4)282×5+18×5,

=(282+18)×5,

=300×5,

=1500.

(5)75+360÷215,

=75+18+15,

=(75+15)+18,

=918,

=108.

(6)(641- 341)÷25×4,

=300÷25×4,

=12×4,

=48.