s******s
发帖数: 505 | 1 if an operation obeys associative law (a+b)+c=a+(b+c),
can we also say (a+b)+c = (a+c)+b?
Thanks. | r*******g
发帖数: 61 | 2 Not necessarily true (unless the operation is also commutative)
【在 s******s 的大作中提到】
: if an operation obeys associative law (a+b)+c=a+(b+c),
: can we also say (a+b)+c = (a+c)+b?
: Thanks.
| C******s
发帖数: 270 | 3 no
【在 s******s 的大作中提到】
: if an operation obeys associative law (a+b)+c=a+(b+c),
: can we also say (a+b)+c = (a+c)+b?
: Thanks.
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