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结合性[Associative]
[2005-8-19]
iamet
发表在
∑〖数学〗
Three elements
,
and
of a set
are said to be associative under a binary operation
if they satisfy
(1)
Real numbers are associative under addition
(2)
and multiplication
(3)
The Mathematica attribute that sets a function to be associative is Flat.
学好数理化，走遍天下都不怕！
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,
and 
of a set 
are said to be associative under a binary operation 
if they satisfy 
