1.x^2-3x^2y2.-1/2a^2bc+1/2cba^23.(4a^3b-10b^3)+(-3a^2b^2+10b^3)4.(4x^y-5xy^2)-(3x^2y-4xy^2)5.5a^2-{a^2+(5a^2-2a)-2(a^2-3a)}6.15+3(1-a)-(1-a-a^2)+(1-a+a^2-a^3)7.(4a^2b-3ab)+(-5a^2b+2ab)8.(6m^2-4m-3)+(2m^2-4m+1)
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1.x^2-3x^2y2.-1/2a^2bc+1/2cba^23.(4a^3b-10b^3)+(-3a^2b^2+10b^3)4.(4x^y-5xy^2)-(3x^2y-4xy^2)5.5a^2-{a^2+(5a^2-2a)-2(a^2-3a)}6.15+3(1-a)-(1-a-a^2)+(1-a+a^2-a^3)7.(4a^2b-3ab)+(-5a^2b+2ab)8.(6m^2-4m-3)+(2m^2-4m+1)
1.x^2-3x^2y
2.-1/2a^2bc+1/2cba^2
3.(4a^3b-10b^3)+(-3a^2b^2+10b^3)
4.(4x^y-5xy^2)-(3x^2y-4xy^2)
5.5a^2-{a^2+(5a^2-2a)-2(a^2-3a)}
6.15+3(1-a)-(1-a-a^2)+(1-a+a^2-a^3)
7.(4a^2b-3ab)+(-5a^2b+2ab)
8.(6m^2-4m-3)+(2m^2-4m+1)
1.x^2-3x^2y2.-1/2a^2bc+1/2cba^23.(4a^3b-10b^3)+(-3a^2b^2+10b^3)4.(4x^y-5xy^2)-(3x^2y-4xy^2)5.5a^2-{a^2+(5a^2-2a)-2(a^2-3a)}6.15+3(1-a)-(1-a-a^2)+(1-a+a^2-a^3)7.(4a^2b-3ab)+(-5a^2b+2ab)8.(6m^2-4m-3)+(2m^2-4m+1)
1.(3y-1)x^2
2.0
3.4a^3b-3a^2b^2
4.4x^y-3x^2y-xy^2
5.a^2-4a
6.-a^3+2a^2-a+18
7.-a^2b-ab
8.8m^2-8m-2
因式分解吗？？/
1.x^2(1-3y)
2.0
3.4a^3b-3a^2b^2=ab(4a^2-3ab)
4.x^y(4-3x^y)-xy^2
5. a^2-a
6.-a^3+2a^2-a+18
7.-a^2b-ab
8.8m^2-8m-2
1.x^2(1-3x^y)
...你要求什么撒- -