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赵鑫 2022-08-12 15:56:20 +08:00
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> 乘法英语Multiplication加法的连续运算同一数的若干次连加其运算结果称为积英语Product
$$\underbrace{m+m+m+\cdots+m}_{n} = m \times n = \sum_{k=1}^{n}{m}$$
$\underbrace{m+m+m+\cdots+m}_{n} = m \times n = \sum_{k=1}^{n}{m}$
## 表示法