Question

a/27.75+25.27-150

35+34.78+1.78

Answer 1

a) 27 . 75 + 25 . 27 - 150

= 27 . (75 + 25) - 150

= 27 . 100 - 150

= 2700 - 150

= 2550

35 + 34 . 78 + 1 . 78

= 35 + (34 + 1) . 78

= 35 + 35 . 78

= 35 + 2730

= 2765

meo con dang yeu mong cac ban yeu em

k nha 

Answer 2

27.25+25.27-150

=27. (25+75)-150

=27.100 -150

=2700-150

=2550

35+34.78+1.78

=35 +78. (34+1)

=35 +78 .35

=35.1+ 78.35

=35.(78+1)

=35.79

=2765