For which of the following pairs of integers is the least common multiple of the

游客2025-02-24 46

问题 For which of the following pairs of integers is the least common multiple of the integers minus their greatest common divisor the greatest?

选项 A、3,12
B、5,6
C、10,20
D、11,12
E、15,30

答案 D

解析下列哪一对数的最小公倍数与最大公约数的差最大?
解：本题的正确答案是(D)。“the least common multiple”是最小公倍数；“the greatest common divisor”是最大公约数。A)12-3=8；(B)30-1=29；(C)20-10=10；(D)132-l=131；(E)30-15=15

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