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137+276=435 then what is the value of 731+672=? please give the answer in step by step format.

137+276=435 then what is the value of


731+672=?


please give the answer in step by step format.

Grade:Upto college level

1 Answers

Pranjal Goel
21 Points
11 years ago

The answer is 1623. It''s octagonal addition.

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