(a-b)눀·(b-a)^4 =_________怎么做? 要过程!

2025-02-27 00:45:17
推荐回答(1个)
回答1:

(a-b)²·(b-a)^4
=(a-b)²·(a-b)^4
=(a-b)^(2+4)
=(a-b)^6