Question

tính nhanh

27.34+23.59-49.23+66.27

Answer 1

Ta co 27.34+23.59-49.23+66.27

=(27.34+66.27)+(23.59-49.23)

=27.(34+66)+23.(59-49)

=27.100+23.10

=2700+230

=2930

 

Answer 2

27.34+23.59-49.23+66.27

= ( 27.34+66.27)+(23.59-49.23)

=27.(34+66)+23.(59-49)

=27.100+23.10

=2700+230

= 2930

Học tốt nhem !VƯƠN CAO VIỆT NAM

Answer 3

27.34+23.59-49.23+66.27

=27.(34+66)+23.(59-49)

=27.100+23.10

=2700+230

=2930