当X=5689时 (X/1)3x(x-1)-x(3x+5)X-1分之A+X+2分之B =[A(X+2)+B(X-1)]/

彼方高塔2022-10-04 11:39:541条回答

当X=5689时 (X/1)3x(x-1)-x(3x+5)X-1分之A+X+2分之B =[A(X+2)+B(X-1)]/(X-1)(X+2) =[(A+B)X+2A-B]/(X-1)?

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