已知m=n+2,a=n-1⼀2,求4(m-a)^2+1⼀3(m-a)的值

2025-05-16 19:45:04
推荐回答(1个)
回答1:

m-a=(n+2)-(n-1/2)=5/2

4(m-a)^2+1/3(m-a)
=4*25/4+5/6
=25又5/6