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no need to check if the sum is > 9 to apply the mod 10 you can use mod 10 in all cases, it will work the same: 12 % 10 = 2 and 2 % 10 = 2
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You are viewing a single comment's thread. Return to all comments →
no need to check if the sum is > 9 to apply the mod 10 you can use mod 10 in all cases, it will work the same: 12 % 10 = 2 and 2 % 10 = 2