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分配律[Distributive] [2005-8-23]
iamet 发表在 ∑〖数学〗
| A multiplication  is said to be right distributive if
for every  , and  . Similarly, it is said to be left distributive if
for every  , , and  .
If a multiplication is both right- and left-distributive, it is simply said to be distributive. For example, the real numbers  are distributive.
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