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1.
变量
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算术教程/变量
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来自维基教科书，一个开放世界的开放书库
<
算术教程
变量
[
编辑
|
编辑源代码
]
变量可以是字母表中的任何字母 A - Z，用于表示一个数字。例如
如果
A = 2，
B = 3
那么
A + B = 5
类别
:
书：算术教程
华夏公益教科书
