(x-y)^8÷(y-x)^4÷(x-y)^3要步骤

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(x-y)^8÷(y-x)^4÷(x-y)^3要步骤(x-y)^8÷(y-x)^4÷(x-y)^3要步骤(x-y)^8÷(y-x)^4÷(x-y)^3要步骤(x-y)^8÷(y-x)^4÷(x-y)^

(x-y)^8÷(y-x)^4÷(x-y)^3要步骤
(x-y)^8÷(y-x)^4÷(x-y)^3要步骤

(x-y)^8÷(y-x)^4÷(x-y)^3要步骤
(x-y)^8÷(y-x)^4÷(x-y)^3
=(x-y)^8÷(x-y)^4÷(x-y)^3
=(x-y)^*8-4-3)
=x-y

=(x-y)^8/(x-y)^4/(x-y)^3=x-y

(x-y)^8÷(y-x)^4÷(x-y)^3=(x-y)^8÷(x-y)^4÷(x-y)^3=(x-y)^(8-4)÷(x-y)^3
=(x-y)^4÷(x-y)^3=x-y

(x-y)^8÷(y-x)^4÷(x-y)^3=(x-y)^8÷(-1)^4÷(x-y)^4÷(x-y)^3=(x-y)^(8-4-3)=(x-y)