1摞书4本4本地数剩2本5本5本地数剩3本6本6本地数剩4本这摞书最少多少本?

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1摞书4本4本地数剩2本5本5本地数剩3本6本6本地数剩4本这摞书最少多少本?

1摞书,4本4本地数剩2本,5本5本地数剩3本,6本6本地数剩4本,这摞书最少多少本?查看原帖>>