已知5a+3/(a-2)(a-1)等于A/(a-2) +B/(a-1),A等于 ,B等于 .

问题描述:

已知5a+3/(a-2)(a-1)等于A/(a-2) +B/(a-1),A等于 ,B等于 .

暂无优质回答,请稍候...