如果我们要把它们分类,可以按什么标准来分 ?
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1. 2. 3. 5. 4. 6. 如果我们要把它们分类,可以按什么标准来分 ?. ( 边的长短、角的大小). 1. 1. 2. 3. 仔细观察剩下的三角形,在电子书包完成表格,并 独立思考 以下问题: ( 1 )通过以上的数据,你发现了什么? ( 2 )你知道怎么分类了吗 ? 按角分,可以分成几类,哪些图形是一类的?. 4. 5. 6. 1. 2. 3. 按角分,可分为几类,哪些三角形为一类?. 4. 5. 6.
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如果我们要把它们分类,可以按什么标准来分 ?
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