(5m^2+3n^2)-(3m^2+5n^2)因式分解..救急..谢咯!
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(5m^2+3n^2)-(3m^2+5n^2)因式分解..救急..谢咯!(5m^2+3n^2)-(3m^2+5n^2)因式分解..救急..谢咯!(5m^2+3n^2)-(3m^2+5n^2)因式分解.
(5m^2+3n^2)-(3m^2+5n^2)因式分解..救急..谢咯!
(5m^2+3n^2)-(3m^2+5n^2)因式分解
..救急..谢咯!
(5m^2+3n^2)-(3m^2+5n^2)因式分解..救急..谢咯!
(5m^2+3n^2)-(3m^2+5n^2)
=2m^2-2n^2
=2(m+n)(m-n)
5m^2+3n^2)-(3m^2+5n^2)
=(5m^2-3m^2)+(3n^2-5n^2)
=2m^2-2n^2
=2(m+n)(m-n)
因式分解(n-m)^3(m-n)^2-(m-n)^5
(n-m)^3×(m-n)^2-(m-n)^5
m/n=5/3,求(m/m+n)+(m/m+n)-(n^2/m^2-n^2)
已知m/n=5、,求(m/(m+n))+(m/(m-n))-(n^2/(m^3-n^2))
(m+5n)^2-2(5n+m)(n-3m)+(3m-n)^2
[2(m+n)^5-3(m+n)^4+(-m-n)^3]÷[2(m+n)^3]
[5m(3m-n)+2n(n-3m)]/(3m-n)
5(m+n)(m-n)-2(m+n)平方-3(m-n)平方
(m-5n)(m-n)-6(m+2n)(m-3n)计算,要有过程
(m-5n)(m-n)-6(m+2n)(m-3n)
(m-n)(m^5+m^4n+m^3n^2+m²n^3+mn^4+n^5)
计算4(m+n)^2·(-m-n)^3-(m+n)(-m-n)^4+5(m+n)^5
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因式分解m^5-m^3n-m^2+n,
5n(2m+3n)-(2m+3n)(n-7m)
[(5m+2n)(5m-2n)+(3m-2n)²]÷(-2m)