Example:
268 + 329 =
300 + 200 = 500
60 + 20 = 80
9 + 8 = 17
Add all the totals
500 + 80 + 17 = 597
that is the answer.
300 and 200 are the hundreds from 268 and 329
60 and 20 are the ten from 268 and 329
9 and 8 are the ones from 268 and 329.
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