Question

tinh bang cach thuan tien

45,83-8,46-7,37 

Answer 1

tra loi di may ma

Answer 2

Cách 1 :

  45,83 - 8,46 - 7,37

=45,83 - ( 8,46 + 7,37 )

=45,83 - 15,83

= 30

Answer 3

45.83-8.46-7.37

=[45.83-7.37]-8.46

=       38.46-8.46

=30