Question

given set 363,489,579
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Answer 1

Answer:

3+6=12 sum of the digits =1+2=3

4+8+9=21 sum of digit 2+1=3

5+7+9=21 sum of the digit =2+1=3

therefore 471=4+7+1=21 sum of the digit =1+2=3

Step-by-step explanation:

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