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单词
cross multiplication
释义
WordReference Random House Unabridged Dictionary of American English © 2024
cross
′
mul
′
tiply,
[
Math.
]
Mathematics
to remove fractions from an equation by multiplying each side by the common multiple of the denominators of the fractions of the opposite side.
1950–55
cross
′
multiplica
′
tion.
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更新时间:2025/12/7 0:40:40