(147+123+132)÷2÷3,
=402÷2÷3,
=201÷3,
=67;
答:三个数的平均值是67.
故答案为:67.
甲乙丙三个数,甲乙两数的和是147,乙丙两数的和是123,甲丙两数的和是132,则这三个数的平均值是_.
甲乙丙三个数,甲乙两数的和是147,乙丙两数的和是123,甲丙两数的和是132,则这三个数的平均值是______.
数学人气:790 ℃时间:2019-08-21 19:26:01
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