Question

find the sum of the following:
(a)1005 and -277
(b) -489 and -324
(with formula)​

Answer 1

Answer:

a) 1005+(-277)

{+ - = -}

1005-277

728

b) (-489)+(-324)

{- - = +}

-489-324

-813

Step-by-step explanation:

hope this answer help you.