题目考察知识点[线性变换]-|||-变换 ) (y)_(1)=(x)_(1)-(x)_(3)+1 (y)_(2)=2(x)_(1)+(x)_(2)+2 (y)_(3)=3(x)_(2)-(x)_(3)-1 . 是线性变换?-|||-A 对-|||-B 错题目解答答案