Respuesta :

EvoHax

Answer:

Step-by-step explanation:

▶ Sum of -524 and 678  

= -524 + 678

= 154

▶ Now , difference of 154 and - 19

= 154 - ( -19)

= 154 + 19

= 173

anna5888
Put the 2 numbers in to a colom then start to add the two numbers right to left so 6+4 makes 10 then 5+2+ the 1 you carryed over to make 8 then add 5 and 2 to get 7 then add 10,8,7 to get 780

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