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How would the arithmetic? - Adition

Number Theory Level pending

Look:

\(3\bigoplus 45=12\)

\(12\bigoplus95=17\)

\(452\bigoplus956=31\)

\(321\bigoplus2569=28\)

Find: \(452136\bigoplus 125431\)

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Excel in math and science

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by Victor Paes Plinio

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