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赵鑫 2023-03-24 09:53:08 +08:00
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概念/乘法.md
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@ -46,4 +46,4 @@ $\begin{array}{ccc}
- 交换律 $a \times b = b \times a$ - 交换律 $a \times b = b \times a$
- 结合律 $(a \times b) \times c = a \times (b \times c)$ - 结合律 $(a \times b) \times c = a \times (b \times c)$
- 分配律 $a \times (b+c)= a\times b + a\times c$ - 分配律 $a \times (b+c)= a\times b + a\times c$