1+1=2本身不具备物理属性,一个苹果+1个苹果=2个苹果才具备物理属性,再者,这是代数不是几何。不知当否。
1+1=2本身不具备物理属性,一个苹果+1个苹果=2个苹果才具备物理属性,再者,这是代数不是几何。不知当否。
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