There are 8 numbers a, B, C, D, e, F, G and h in the arithmetic sequence. If the sum of the intermediate numbers D and E is 16, what is the average of these 8 numbers? What is the sum of these 8 numbers

The average is 8
The sum is 16

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1. 1. If 8, a, B, C, 26 are known to form an arithmetic sequence, find the average and sum of these five numbers, 1. It is known that 8, a, B, C and 26 constitute the arithmetic sequence, and the average and sum of these five numbers are obtained 2. It is known that 8, a, B, C, D and 26 constitute the arithmetic sequence, and the average and sum of these six numbers are obtained
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