| 单词 | arithmetic mean |
| 释义 | arithmetic meanˌarithmetic ˈmean noun [countable] math the average of two or more numbers, amounts, or values, calculated by adding the numbers together and dividing the result by how many numbers there are. For example, the arithmetic mean of 12 and 6 is 9: (12 + 6) ÷ 2 = 9. |
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