【摘要】 本文讨论了两类广义导算子δＡＢ（ｘ）＝Ａｘ－ｘＢ和τＡＢ（ｘ）ＡｘＢ－Ｘ，并给出了一些成立的充分必要条件更多还原

【Abstract】 In this paper,two types of generalized derivations δ_AB（x）=Ax-xB and τ（AB）（x）=AxB-x were studied,and some sufficient and necessary conditions forand to be valid were given.更多还原