(25⼀4)^1⼀2-(27⼀8)^-2⼀3+(1-√3)^0= 要写过程

2025-03-01 12:09:42
推荐回答(2个)
回答1:

(25/4)^1/2-(27/8)^-2/3+(1-√3)^0
=[(5/2)^2]^1/2-[(3/2)^3]^(-2/3)+1
=5/2-(3/2)^(-2)+1
=7/2+4/9
=71/18

回答2:

(25/4)^1/2-(27/8)^-2/3+(1-√3)^0
=5/2-(8/27)^2/3+1
=5/2-(2/3)^2+1
=5/2-4/9+1
=55/18