Question

Please help me god bless you

Answer 1

521.

Explanation:

143

+ 378

= 521

Working from right to left:

First add the 3 and 8 = 11

write 1 underneath

and carry the other 1 to the second column.

1 +4+7 = 12. Write 2 and carry the 1 to the first column.

1 + 3 + 1 = 5.

Answer 521.