这道五年级数学拓展题,没点灵活思维根本绕不明白,班里尖子生都愁得抓耳挠腮!
课代表抱着作业本皱紧眉头,连草稿纸都画满了线条,平时做题神速的他,这次对着题目半天没下笔。谁也没想到,班里平时成绩平平、不爱说话的转学生,默默看了两分钟,拿起笔三下五除二就写出了解题步骤,步骤清晰答案准确,全班瞬间惊掉下巴!
欢迎各位高手参与其中,分享经验!
已知条件件如图所示,求阴影部分面积
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