一个班去植树,总共植树222棵
- 时间:2020-05-27 19:06:25
- 分类:数学世界
- 阅读:162 次
一个班去植树,总共植树222棵,已知老师和每个同学植树一样多,同学正好站三个纵队,问每个同学植树多少棵,这个班有多少个同学?
数学题解答:此题看似条件不足,其实是可以解答的。我们理解为一名老师带队。把植树总棵数分解质因数:222=3×2×37=6×37
可以看出符合生活实际的总人数是37人,每人植树6棵。去掉一名老师后,还有36名同学,正好是3的倍数,可以列成3路纵队。
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