一批游客过河:如果每只船坐10人

  • 时间:2020-05-14 13:11:46
  • 分类:数学世界
  • 阅读:159 次

求解:一批游客过河:如果每只船坐10人,还剩4人。如果每只船坐12人,还剩一只船。问:船有多少只?游客有多少个?

数学题解答:“如果每只船坐12人,还剩一只船”意思是空着一只船,还可以坐12人。

两种情况相差人数为:12+4=16(人)

船的只数一定,其中第二种情况每只船多坐2人:12-10=2(人)

船的只数:16÷2=8(只)

人数:12×8-12=84(人)或10×8+4=84(人)

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