QUESTION IMAGE
Question
a cookie factory monitored the number of broken cookies per pack yesterday.
broken cookies per pack
stem | leaf
2 | 0
3 |
4 | 1
5 |
6 | 4 7
7 | 9
8 |
9 | 0
how many packs had exactly 54 broken cookies?
packs
Step1: 理解茎叶图
茎叶图中,茎(Stem)代表十位数字,叶(Leaf)代表个位数字。例如,茎为2,叶为0,表示数字20。
Step2: 查找54对应的叶
我们要找的是有多少包恰好有54个破碎的饼干,即十位为5,个位为4。观察茎叶图,茎为5时,叶部分没有数字4。
Step3: 确定数量
因为茎为5的叶中没有4,所以有0包恰好有54个破碎的饼干。
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