学校组织春游,组了几条船让学生们划
- 时间:2020-05-14 13:29:37
- 分类:数学世界
- 阅读:160 次
数学题:学校组织春游,组了几条船让学生们划。若每条船坐3个人,则空了2个人的位置;若每条船坐5人则空了16个人的位置。问学生有多少人?共租了多少条船?
数学题解答:两种情况下,船的数量是不变的。
两种情况下,空的位置相差:16-2=14人。
两种坐法,每条船上人数相差:5-3=2人。
船的数量:14÷2=7条
人数:5×7-16=19人,或:3×7-2=19人。
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