Question

28-27+27-26

Answer 1

28-27+27-26

=1+27-26

=28-26

=2

Answer 2

28-27+27-26=2

Answer 3

bang 2 chac chan 100000000000000000000000000000000000000000000000000000000%

Answer 4

28-27 + 27 - 26

= 1 + 27 - 26

=28 - 26

= 2

Answer 5

28-27+27-26=(28-26)+(-27+27)

                     = 2+0

                     = 2

Hok "tuốt" nha^^

Answer 6

28-27+27-26

=1+27-26=28-26=2

Answer 7

=2 nha bạn

Answer 8

28 - 27 + 27 -26

= (28 - 26) - ( 27 - 27 )

= 2 - 0

= 2

Answer 9

28-27-27-26=2