half and one +单数可数名词，相当于half+（one+名词），名词的限定词为one； one and half + 复数可数名词，相当于（one+half)+名词,名词的限定词为one and half。
i think it's the same.
one and half hours=half and one hour确定!!!!!!
我想也是2个都是一个半（无把握）
half and one = one and a half 都表示“一个半”的意思。
答：都用复数形式，数量超过1就为复数。详情>>
