Pic Title: 梯形

Related Phrase: 梯形

Related pictures: 梯形

Source: http://dl.zhishi.sina.com.cn/

Pic Description:   4).画一个等腰梯形,使它的上、下底分别是5cm,11cm,高为 那么,等腰梯形ABCD的周
No. / 3 Picture               Slide Show

Comments (0)