1.(5m^3n^2)/(3m)

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1.(5m^3n^2)/(3m)
2.(6a^2b-5a^2c^2)/(-3a^2)
3.(16x^4+4x^2+x)/x
4.(3a^2b-2ab+2ab^2)/(ab)
5.(-4a^3+6a^2b^3+3a^3b^3)/(-4a^2)
6.(2/5mn^3-m^2n^2+1/6n^4)/(2/3n^2)
7.(1/10xy^2+1/4y^2-1/2y)/(1/5y)
8.[(x+1)(x+2)-2]/x

1：(5m^3n^2)/(3m)
=5m^2n^2/3
2:(6a^2b-5a^2c^2)/(-3a^2)
=6a^2b/(-3a^2)-5a^2c^2/(-3a^2)
=-2b+5c^2/3
3:.(16x^4+4x^2+x)/x
=x(16x^3+4x+1)/x
=16x^3+4x+1
4:.(3a^2b-2ab+2ab^2)/(ab)
=3a^2b/ab-2ab/ab+2ab^2/ab
=3a-2+2b
5:.(-4a^3+6a^2b^3+3a^3b^3)/(-4a^2)
=(-4a^3)/(-4a^2)+6a^2b^3/(-4a^2)+3a^3b^3/(-4a^2)
=a-3b^3/2-3ab^3/4
6:.(2/5mn^3-m^2n^2+1/6n^4)/(2/3n^2)
=2/5mn^3/(2/3n^2)-m^2n^2/(2/3n^2)+(1/6n^4)/(2/3n^2)
=3mn/5-3m^2/2+n^2/4
7:.(1/10xy^2+1/4y^2-1/2y)/(1/5y)
=1/10xy^2/(1/5y)+1/4y^2/(1/5y)-1/2y/(1/5y)
=xy/2+5y/4-5/2
8:.[(x+1)(x+2)-2]/x
=(x^2+3x+2-2)/x
=(x^2+3x)/x
=x(x+3)/x
=x+3

（n-m)^3×(m-n)^2-(m-n)^5 因式分解(n-m)^3(m-n)^2-(m-n)^5 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] 计算[5(m+n)2(m-n)]3÷【3（m+n)2（n-m)]2 [5m(3m-n)+2n(n-3m)]/(3m-n) 计算：5(m+n)(m-n)-2(m+n)^2-3(m-n)^2 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4(m+n)^2·（-m-n)^3-(m+n)(-m-n)^4+5(m+n)^5 计算4(m+n)^2乘（-m-n)^3-(m+n)(-m-n)^4+5(m+n)^5