温故知新:甲、乙两支篮球队在一次联赛中,各进行了10次比赛,得分如下:甲队:100,97,99,96,102,103,104,101,101,100;乙队:97,97,99,95,102,100,104,104,103,102.两队的平均得分分别为3.100)100101101104103102969997100(101_甲x...
时间:2024-11-13 08:19栏目:幼儿/小学教育