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If the value of 12C2+ 13C3+ 14C4+...+ 999C989 is 1000Ca+b, then |a+b|= (where (a+b) is a single digit integer) |
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Answer» If the value of 12C2+ 13C3+ 14C4+...+ 999C989 is 1000Ca+b, then |a+b|= (where (a+b) is a single digit integer) |
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