2. 职称英语
  3. For which of the following pairs of integers is the least common multiple of the

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

游客2024-01-12  34
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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