Question

​Bài 1:

​27.75+25.27-150

Answer 1

27.75+25.27-150

= 27.(75+25)-150

= 27.100-150

= 2700-150

= 2550

Answer 2

27.75+25.27-150

=27.(75+25)-150

=27.100-150

=2700-150

=2550

Answer 3

27.75+25.27-150

=27.(75+25)-150

=27.100-150

=2700-150

=2550 ( chúc bn học tốt) ^^

Answer 4

27.75+25.27-150

= 27.(75+25)-150

= 27.100-150

= 2700-150

= 2550