Question

40 - 34+13-21

bb b ​

Answer 1

Answer:

-2

Step-by-step explanation:

40-34+13-21

=40+13-34-21

=53-55

= -2

Answer 2

Answer:

Step-by-step explanation:

40 - 34+13-21

6+13-21

19-21

= -2