n+(4m-3(m-2n)-4n)其中m=2,n=-3/2 化简,求值.
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n+(4m-3(m-2n)-4n)其中m=2,n=-3/2 化简,求值.
n+(4m-3(m-2n)-4n)其中m=2,n=-3/2 化简,求值.
n+(4m-3(m-2n)-4n)其中m=2,n=-3/2 化简,求值.
n+(4m-3(m-2n)-4n)=n+(4m-3m+6n-4n)=m+3n 将m n的值代入 原式=-5/2
n+(4m-3m+6n-4n)=n+m+2n=m+3n=2+3*(-3/2)=2-9/2=-5/2
4m(m-n)^2+4n(n-m)^3
[(m-n)^2*(m-n)^3]^2/(m-n)^4
[(m-n)^2*(m-n)^3]^2/(m-n)^4
(m-n)2(n-m)3(n-m)4化简
2m-{n+[4m-3(m+2n)]}-5n其中m=2/3 n=-4
m-{n+[4m-3(m+2n)]}-5n其中m=2/3 n=-4
3m+4n-[2m+(5m-2n)-3n]其中m=n分之一=2
-5m(-m+3n)+4m(-4m-5/2n),其中m=2,n=-1
已知3m=4n,则m/m+n+n/m-n-m^2/m^2-n^2=
先化简再计算:(m+n)^2-4(m+n)(m-n)+3(m-n)^2,其中m=5,n=-4/5
先化简,再求值!(m-n-(4mn)/(n-m))(m+n-(4mn)/(m+n)),其中m=根号3,n=2
n+(4m-3(m-2n)-4n)其中m=2,n=-3/2 化简,求值.
[(m+n)(m-n)-(m-n)²+2n(m-n)]÷4n
(m-2n)(2n+m)-(-3m-4n)(4n-3m)=
(3m-4n)(4n+3m)-(2m-n)(2m+n)
[2(m+n)^5-3(m+n)^4+(-m-n)^3]÷[2(m+n)^3]
计算(m+4n)(m-n)-6(m+2n)(m-3n)
(m+4n)(m-n)-6(m+2n)(m-3n)