题目

Having stayed in China for manyyears, he can speak Chinese as (fluent) as his mother tongue. 答案：【1】fluently某市高三数学抽样考试中，对90分以上的成绩进行统计，其频率分布如图所示.若130—140分数段的人数为90，则90—100分数段的人数为___________.