2*(1-n) two times 1-n2-2n two minus 2n.英语和汉语一样,用自然语言描述数学公式会有歧义,这是正常的。
如果是2(1-n)=2(n+14),它一般会说"......as twice all of the number increased by 14""increased by 14" 是修饰twice the number,即2n
hjb