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21.1.1-01-一元二次方程的引入-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.1.1-02-一元二次方程的定义-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.1.1-03-方程的一般形式-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.1.1-04-一元二次方程的解-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.2.1-01-直接开平方法-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.2.1-02-配完全平方-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.2.1-03-配方法-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.2.2-01-推导求根公式-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.2.2-02-根的判别式-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.2.2-03-公式法-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.2.3-01-判断方程解的情况-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.2.3-02-根据解的情况求参数-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.2.3-03-分类讨论解的情况-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.2.4-01-因式分解法-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.2.4-02-活用降次解方程-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.2.4-03-解含参方程-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.2.4-04-分类讨论解含参方程-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.2.5-01-根与系数的关系-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.2.5-02-利用韦达定理求值-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.2.5-03-利用韦达定理求值进阶-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.3.1-01-递增递减问题-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.3.1-02-薄利多销问题-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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21.3.1-03-图案面积问题-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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精讲-01-用韦达定理反求方程-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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精讲-02-用韦达定理求参数-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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精讲-03-二次方程与代数式求值-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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精讲-04-二次方程的整数解-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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精讲-05-二次方程的公共解-Q群819357191-打印资料小程序-九四印-Q群878116841-公众号课标试卷.ts
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