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单词
perfect number
释义
perfect number
noun
maths
Other entries for this word
perfect square number
noun
DEFINITIONS
1
1
a positive integer that is equal to the sum of all its proper factors
28 is a perfect number since 1 + 2 + 4 + 7 + 14 = 28.
Submitted by:
Samuel Chung from Mexico on 08/09/2018
Noun
☞perfect number
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perfect square number
perfect storm
perfervid
perfidious
perfidy
perforated
perforation
perforce
perform
performance
performance appraisal
performance art
performance capture
performance-enhancing
performance-related pay
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performative
performative friendship
performer
perform/work miracles
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perfusion
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更新时间:2025/10/29 12:10:33