五个连续整数排成一排这五个整数平均数是13前三个数的平均数是12后三个数的平均数是14求第一个数和第五个数
五个连续整数排成一排这五个整数平均数是13前三个数的平均数是12后三个数的平均数是14求第一个数和第五个数
数学人气:580 ℃时间:2019-10-23 05:53:32
优质解答
11.12.13.14.15啊1是11,5是15
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