今天我正在折纸,妈妈凑了过来。看我娴熟地把一个长方形通过折与裁变成了一个正方形。妈妈笑着说:“儿子,不错嘛!”我得意极了,一点儿也不谦虚地说道:“当然!”“太骄傲了!”妈妈笑着推了一下我的脑袋,我无辜地说:“干吗呀,我又没有说错!”“看你那么自信,那我就问你一个关于折纸的问题吧!”妈妈要出题了,我当然接招!“好啊!”我满口应下了。妈妈举起桌上的一张长方形纸,又拿起了剪刀,问道:“一张长方形的纸,剪掉1个角,还剩几个角呀?”刚才还严阵以待的我,一听这题立 Today I am getting a paper origami, my mother came up. Look at me adeptly folding and cutting a rectangle into a square. Mom said with a smile: “son, not bad! ” I was extremely proud, not at all modest said: “Of course! ” “Too proud! ” Mom smiled and pushed my head , I said innocently: “Why, I’m not wrong! ” “Look at you so confident, then I ask you a question about origami!” ! “” Good! “” I should be full of mouth. Mother raised a piece of rectangular paper on the table, picked up the scissors and asked: “A piece of rectangular paper, cut a corner, left corner?” Listen to this problem