(3m-5n+4mn)-(2m-4n+6mn)其中m-n=7,mn=-5
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(3m-5n+4mn)-(2m-4n+6mn)其中m-n=7,mn=-5(3m-5n+4mn)-(2m-4n+6mn)其中m-n=7,mn=-5(3m-5n+4mn)-(2m-4n+6mn)其中m-n
(3m-5n+4mn)-(2m-4n+6mn)其中m-n=7,mn=-5
(3m-5n+4mn)-(2m-4n+6mn)其中m-n=7,mn=-5
(3m-5n+4mn)-(2m-4n+6mn)其中m-n=7,mn=-5
(3m-5n+4mn)-(2m-4n+6mn)=m-n-2mn=7+10=17
m-n=7 mn=-5求(3m+5n+4mn)-(2n-4n+6mn)
(m-n)(m^5+m^4n+m^3n^2+m²n^3+mn^4+n^5)
先化简,再求值(3M-5M+4MN)-(2M-4N+6MN)
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计算:[-m^3n/(m-n)^2]^4*[(n^2-mn)/m]^3/m^4n^10*[(mn-n^2)/m]^6
3(m^2-mn+2n^2)-2(mn-m^2+n^2)+(5mn-4n^2+1)
已知m-n=7,mn=-5,n=?根据m-n=7,mn=-5,求{3m-5n+4mn}-{2m-4n=6mn}的值
(3m-5n+4mn)-(2m-4n+6mn)其中m-n=7,mn=-5
(3m-5n+4mn)-(2m-4n+6mn) mn=-5 m-n=7快帮我打答吧!谢谢了!
若m-n=7,mn=-5,求(3m-5n+4mn)-(2m-4n+6mn)的值.
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