(a-b)²·(b-a)^4 =_________怎么做?
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(a-b)²·(b-a)^4 =_________怎么做?
(a-b)²·(b-a)^4 =_________怎么做?
(a-b)²·(b-a)^4 =_________怎么做?
(a-b)²·(b-a)^4
=(a-b)²·(a-b)^4
=(a-b)^(2+4)
=(a-b)^6
(a-b)²·(b-a)^4 =_________怎么做?
(a-b)²·(b-a)^4 =_________怎么做?
(a-b)²·(b-a)^4 =_________怎么做?
(a-b)²·(b-a)^4
=(a-b)²·(a-b)^4
=(a-b)^(2+4)
=(a-b)^6