吃过晚饭,小姨笑着问我:“黄慧,这几天的数学课上都学了什么?”我说:“长方形、正方形的周长计算。”小姨接着说:“我来考考你!”只见她拿来了一个牛奶瓶,指着瓶说:“黄慧,你能算出瓶上这张标签的周长吗?”小姨不是在为难我吧,我学习了长方形、正方形周长的 Ate dinner, aunt smiled and asked me: “Huang Hui, these days of math classes have learned what? ” I said: “the perimeter of the rectangle, the square calculation. ” I’ll test you! “I saw she brought a milk bottle, pointing to the bottle and said:” Huang Hui, can you figure out the perimeter of the label on the bottle? “” My aunt is not embarrassed me, I studied rectangular, square perimeter