标题: OG关于between……and……的说明 提醒大家 [打印本页] 作者: lvspeking 时间: 2012-7-30 17:11 标题: OG关于between……and……的说明 提醒大家 昨天做题在版上发帖问关于数学中between and是否包括两边端直,有两位朋友回复都说包括,但今天看OG13th的math review求证,原话如下:To say that the number n is between 1 and 4 on the number line means that n>1 and n < 4, that is,1 < n < 4. If n is "between 1 and 4, inclusive," then l<=n<=4.