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题目内容双击单词支持查询和收藏哦～
The average (arithmetic mean) weight of 8 children is 100 pounds.
No child weighs exactly 100 pounds.
No child weighs exactly 100 pounds.
Quantity A
Number of children who weigh more than 100 pounds.
Quantity B
Number of children who weigh less than 100 pounds.
D显示答案
以上解析由 考满分老师提供。
