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西要毛子律技大枣XIDIANUNIVERSITY基本性质2. #(1)满足交换律:+=+(2)满足结合律:(+)+=+(+)(3)0+=+0=,0为零变换(4)乘法对加法满足左、右分配律:o(t+)=ot+o)(t+)α= t +S(3) 0 0 , + = + =    0为零变换. (4)乘法对加法满足左、右分配律:      ( + = + ) (     + = + ) 2.基本性质 (1)满足交换律:     + = + (2)满足结合律: (      + + = + + ) ( )
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