1.5^m*125^m÷25^(2m-1)2.5/8[(a+b)(a-b)]^4*4/9(a+b)^

发布时间:2021-02-17 16:19:02

1.5^m*125^m÷25^(2m-1)2.5/8[(a+b)(a-b)]^4*4/9(a+b)^4(b-a)^5

网友回答

1.5^m*125^m÷25^(2m-1)
=5^m*5^(3m)÷5^(4m-2)
=5^(m+3m-4m+2)
=252.5/8[(a+b)(a-b)]^4*4/9(a+b)^4(b-a)^5
=5/18[(a+b)(a-b)]^4*(a+b)^4(b-a)^5
=-5/18(a+b)^4(a-b)^4(a+b)^4(a-b)^5
=-5/18(a+b)^8(a-b)^8(a-b)
=-5/18(a^2-b^2)^8(a-b)
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