如何算平均值excel

The boss said awkwardly: One thousand, seven hundred and fifty-five pieces of low-grade immortal artifacts were sold. According to the average price of two thousand two thousand pieces, 70% of the price is one thousand five hundred and forty-four pieces! There are eighty-two middle-grade immortal artifacts, and the recycling price will be doubled a hundred times. There are thirteen high-grade immortal artifacts, and the recycling price will be doubled again!

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