若(m+n)(2m-n)-2mn=O\'求m\'答案以n表示
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若m-2m+10=6n-n求【m-n/m+2mn+n+2/mn÷(1/m+1/n)】÷1/m+n怎样做?若m-2m+10=6n-n求【m-n/m+2mn+n+2/mn÷(1/m+1/n)】÷1/m+n
若(m+n)(m-n)^2-mn(m+n)=(m+n)·M,则M是若(m+n)(m-n)^2-mn(m+n)=(m+n)·M,则M是若(m+n)(m-n)^2-mn(m+n)=(m+n)·M,则M是(
若m-n=4,mn=-1,求(-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)若m-n=4,mn=-1,求(-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)若m-n
若m-n=4,mn=-1求(9-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)若m-n=4,mn=-1求(9-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)若m-n
若m-n=4,mn=-1,求(-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)的值兄弟们回答下吧啊。。若m-n=4,mn=-1,求(-2mn+2m+3n)-(3mn+2n-2m)-(
1.若m-n=4,mn=1,求(9-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)的值2.已知代数式2a的平方+3a+1的值为6,求代数式6a的平方+9a+5的值3.长为(2a+3b
若m-n=4,mn=-1,求(-2mn+m+n)-(3mn+5n-5m)-(m+4n-3mn)的值若m-n=4,mn=-1,求(-2mn+m+n)-(3mn+5n-5m)-(m+4n-3mn)的值若m
若(m+n)^2-mn(m+n)=(m+n)·M,则M是()A.m^2+n^2B.m^2-mn+n^2C.m^2-3mn+n^2D.m^2+mn+n^2若(m+n)^2-mn(m+n)=(m+n)·M
若m-n=4,mn=-1,求代数式(9-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)的值若m-n=4,mn=-1,求代数式(9-2mn+2m+3n)-(3mn+2n-2m)-(m+
若m-n=4,mn=-1,求代数式(9-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)的值若m-n=4,mn=-1,求代数式(9-2mn+2m+3n)-(3mn+2n-2m)-(m+
若m+n=0,则多项式m^3-m^3n-mn^2+n^3若m+n=0,则多项式m^3-m^3n-mn^2+n^3若m+n=0,则多项式m^3-m^3n-mn^2+n^3题错了应该是m^3-m^2n-m
已知m+n=o.75m-n=o.25利用因式分解求m^2-2mn+3m+3n+n^2的值已知m+n=o.75m-n=o.25利用因式分解求m^2-2mn+3m+3n+n^2的值已知m+n=o.75m-
若M*M-N*N=MN,求M*M/N*N+N*N/M*M(2)123*123-124*124若M*M-N*N=MN,求M*M/N*N+N*N/M*M(2)123*123-124*124若M*M-N*N
1/M+1/N=5(3M+MN+2N)/(M-MN=3N)1/M+1/N=5(3M+MN+2N)/(M-MN=3N)1/M+1/N=5(3M+MN+2N)/(M-MN=3N)M-MN=3N->M=3N
已知m.n不等于0,若m*2-4mn+4n*2=0,求m+n/m-n已知m.n不等于0,若m*2-4mn+4n*2=0,求m+n/m-n已知m.n不等于0,若m*2-4mn+4n*2=0,求m+n/m
若m^2+n^2=4mn,求(m^2-n^2)/mn的值.若m^2+n^2=4mn,求(m^2-n^2)/mn的值.若m^2+n^2=4mn,求(m^2-n^2)/mn的值.答:m^2+n^2=4mn
若m+n=9,mn=14,则m^2-mn+n^2=几若m+n=9,mn=14,则m^2-mn+n^2=几若m+n=9,mn=14,则m^2-mn+n^2=几m^2-mn+n^2=(m+n)^2-3mn
设m>n>0,若(m-n)2/mn=2则m2-n2/mn设m>n>0,若(m-n)2/mn=2则m2-n2/mn设m>n>0,若(m-n)2/mn=2则m2-n2/mn根据已知可得:(m-n)^2=2
若M-N=5,MN=-2,则(N-M)的平方-4MN=若M-N=5,MN=-2,则(N-M)的平方-4MN=若M-N=5,MN=-2,则(N-M)的平方-4MN=(N-M)²-4MN=5
若1/m-1/n=3,求2m-3mn-2n/m-2mn-n的值若1/m-1/n=3,求2m-3mn-2n/m-2mn-n的值若1/m-1/n=3,求2m-3mn-2n/m-2mn-n的值2m-3mn-