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单词
quadratic formula
释义
WordReference Random House Unabridged Dictionary of American English © 2024
quadrat
′
ic for
′
mula,
[
Math.
]
the formula for determining theroots of a quadratic equation from its coefficients:
x =
(-
b
±
&b
2
minus4acsqrootover;
)/
2a.
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更新时间:2025/7/23 10:27:23