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单词 quadratic formula
释义

WordReference Random House Unabridged Dictionary of American English © 2024
quadratic formula, [Math.]
  1. the formula for determining theroots of a quadratic equation from its coefficients:x =(-b ± &b2minus4acsqrootover;
    )/2a.

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更新时间:2025/7/23 10:27:23