作业帮下图是由数字组成的三角形,除最顶端的1以外,以下出现的数字都有一定的规律.根据它的规律,最下排x是几10 11 1 00 1 2 25 5 4 2 00 5 10 14 16 1661 61 56 46 32 16 0* * * x * * * *1楼的，但你写错了。
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/01 20:31:16
下图是由数字组成的三角形,除最顶端的1以外,以下出现的数字都有一定的规律.根据它的规律,最下排x是几10 11 1 00 1 2 25 5 4 2 00 5 10 14 16 1661 61 56 46 32 16 0* * * x * * * *1楼的，但你写错了。
下图是由数字组成的三角形,除最顶端的1以外,以下出现的数字都有一定的规律.根据它的规律,最下排x是几
1
0 1
1 1 0
0 1 2 2
5 5 4 2 0
0 5 10 14 16 16
61 61 56 46 32 16 0
* * * x * * * *
1楼的，但你写错了。
下图是由数字组成的三角形,除最顶端的1以外,以下出现的数字都有一定的规律.根据它的规律,最下排x是几10 11 1 00 1 2 25 5 4 2 00 5 10 14 16 1661 61 56 46 32 16 0* * * x * * * *1楼的，但你写错了。
应该是178吧!偶数层都是0,所以最后那层应该也是0.偶数层的第一个数减上一层的第一个数.奇数层的的是加上一层的.
61+61+56
````````````````````````````1
``````````````````````````0````1
```````````````````````1````1````0
````````````````````0````1````2````2
``````````````````5````5````4````2````0
`````...
全部展开
````````````````````````````1
``````````````````````````0````1
```````````````````````1````1````0
````````````````````0````1````2````2
``````````````````5````5````4````2````0
```````````````0````5```10```14````16```16
````````````61```61```56```46````32```16```0
`````````0```61``122``178``224``256``272``272
从第2行开始，
偶数行最左边第1个数为0，按从左到右的顺序第2个数开始，等于其同一行左边一个数，加上左上角上一行的数。
奇数行最右边第1个数为0，按从右到左的顺序第2个数开始，等于其同一行右边一个数，加上右上角上一行的数。
推得第8行如上，所以X = 178
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