注:1.加法与数乘运算称为线性运算 2.线性运算满足8条 ①+B=B+a ②(a+B)+y=a+(+y) ③a+0=a ④a+(-a)=0 a=a ⑥(0)=(4)a=(a) ⑦A(+B)=a+AB ⑧(+p)O=A+p注:1. 加法与数乘运算称为线性运算 2. 线性运算满足8条 ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ + = + ( + ) + = + ( + ) +0 = + (−) = 0 1 = () = () = () ( + ) = + ( + ) = +