2.基本性质(1)满足交换律:+T=+(2)满足结合律:(+)+=+(+)(3)0+α=+0=,0为零变换,(4)乘法对加法满足左、右分配律:(t+8)=ot +os(t +8)α = to +8o87.2线性变换的运算A§7.2 线性变换的运算 (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: ( + + = + + ) ( )