a与b为非零自然数,且b+1=a,那么a与b的最小公倍数是(  ).A.1 B.A C.b D.ab

作者: tihaiku 人气: - 评论: 0
问题 a与b为非零自然数,且b+1=a,那么a与b的最小公倍数是(  ).
选项 A.1 B.A C.b D.ab
答案 D
解析 依题意,可知a、b为连续非零自然数,则口、b无公约数,所以a与b的最小公倍数为二者的乘积ab.

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