填空:1.(-2a)²·(-9a²b³)=_______2.(3/4x²y-5zyz²)·(-3/5xy²z)=________3.(-9ab)·(1/3ab+1/6a-1)=__________4.(-3/4x²y-2/3xy²-5/6y³)·(-12xy)=____________5.[-(a²b)²]³·(
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填空:1.(-2a)²·(-9a²b³)=_______2.(3/4x²y-5zyz²)·(-3/5xy²z)=________3.(-9ab)·(1/3ab+1/6a-1)=__________4.(-3/4x²y-2/3xy²-5/6y³)·(-12xy)=____________5.[-(a²b)²]³·(
填空:1.(-2a)²·(-9a²b³)=_______
2.(3/4x²y-5zyz²)·(-3/5xy²z)=________
3.(-9ab)·(1/3ab+1/6a-1)=__________4.(-3/4x²y-2/3xy²-5/6y³)·(-12xy)=____________
5.[-(a²b)²]³·(12a^3b^4-6a²b³)=__________6.(x-2)(2x+1)=___________
7.(3m-n)(m-2n)=________________8.(a+2b)(5a+3b)=____________
9.5(x-1)(x+3)=_____________10.(2x-3)(x+4)=______________
11.(x+3y+4)(2x-y)=___________12.(-x+6)(-x+7)=______________
13.(x-4)(x-3)-(x-2)(x-5)=______________14.(x-2y)(x+3y)-(-x+y)(-x-y)=_____________
填空:1.(-2a)²·(-9a²b³)=_______2.(3/4x²y-5zyz²)·(-3/5xy²z)=________3.(-9ab)·(1/3ab+1/6a-1)=__________4.(-3/4x²y-2/3xy²-5/6y³)·(-12xy)=____________5.[-(a²b)²]³·(
太简单啦 13题答案是2对了给分
1、-36a^4b^3;
2、3xy^3z^4-9/20x^3y^3z;
3、-3a^2b^2-3/2a^2b+9ab;
4、9x^3y^2+8x^2y^3+10xy^4;
5、12a^15b^10-6a^14b^9;
6、2x^2-3x-2;
7、3m^2-7mn+2n^2;
8、5a^2+13ab+6b^2;
9、5x^2+10x...
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1、-36a^4b^3;
2、3xy^3z^4-9/20x^3y^3z;
3、-3a^2b^2-3/2a^2b+9ab;
4、9x^3y^2+8x^2y^3+10xy^4;
5、12a^15b^10-6a^14b^9;
6、2x^2-3x-2;
7、3m^2-7mn+2n^2;
8、5a^2+13ab+6b^2;
9、5x^2+10x-15;
10、2x^2+5x-12;
11、2x^2+5xy-3y^2+8x-4y;
12、x^2-13x+42;
13、2;
14、xy-7y^2。
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