A rectangle has perimeter 22 m.Express the area of the rectangle as a function of the length (L) of one of its sides.
问题描述：
A rectangle has perimeter 22 m.Express the area of the rectangle as a function of the length (L) of one of its sides.
A(L) =
我写的是 A(L)= -L^2+11L
但是机器判出来是错的,为什么?
答
答案是没问题的,是不是不符合机器判断的格式啊?
你换几种表示方法试试
如11L -L^2、L*(11-L)等
机器有时候就是有些死板