1.(5m^3n^2)/(3m)2.(6a^2b-5a^2c^2)/(-3a^2)3.(16x^4+4x^2+x)/x4.(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
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 06:12:13
![1.(5m^3n^2)/(3m)2.(6a^2b-5a^2c^2)/(-3a^2)3.(16x^4+4x^2+x)/x4.(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](/uploads/image/z/7098632-8-2.jpg?t=1.%285m%5E3n%5E2%29%2F%283m%292.%286a%5E2b-5a%5E2c%5E2%29%2F%28-3a%5E2%293.%2816x%5E4%2B4x%5E2%2Bx%29%2Fx4.%283a%5E2b-2ab%2B2ab%5E2%29%2F%28ab%295.%28-4a%5E3%2B6a%5E2b%5E3%2B3a%5E3b%5E3%29%2F%28-4a%5E2%296.%282%2F5mn%5E3-m%5E2n%5E2%2B1%2F6n%5E4%29%2F%282%2F3n%5E2%297.%281%2F10xy%5E2%2B1%2F4y%5E2-1%2F2y%29%2F%281%2F5y%298.%5B%28x%2B1%29%28x%2B2%29-2%5D%2Fx)
1.(5m^3n^2)/(3m)2.(6a^2b-5a^2c^2)/(-3a^2)3.(16x^4+4x^2+x)/x4.(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)
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)2.(6a^2b-5a^2c^2)/(-3a^2)3.(16x^4+4x^2+x)/x4.(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