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Mathematics
Junior High
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墨萱( ˶ ❛ ꁞ ❛ ˶ )

求解❗❗

代入求值及另一解 0 4-1 因式分解法解一元二次方程式 123 學生練習 已知x=2 為方程式 2²+(2a+1)x+a=0 的一根,則: (1) a=? (2)方程式的另一根為何? 解 Pentel Wo
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