Question

Find the missing digits in these addition
sums in which, the digit is the same in
each blank for each sum.
$453 + 789$
​

Answer 1

Answer:

Add the ONES: 5 + 9 = 14

Regroup as 1 Ten and 4 Ones

Add the TENS: 2 + 1 carry over = 3

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Answer 2

Answer:

453+789=1242 is the only answer