Category: 2021级数学研究生
20211009-全等三角形-212021096
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211010-二次函数的概念-212021086
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211230-对数的概念-212021109
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2112300-三角函数的诱导公式-212040011
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211230-函数的概念-212021121
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211230-二次函数的概念-212021086
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211230-一元二次方程-212021113
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20211230-线段的垂直平分线的性质-212021116
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