计算3a·(-3b)^2·(-2ab)x^ny·(-x^2y^n)(2a+b)^2-(2a+b)(2a-b)(3a^2)^3-6a^3(2a^3+3a^2+a)(2a+3b)^2(3b-2a)^2(x-2y+3)(x+2y-3)
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/17 00:57:53
计算3a·(-3b)^2·(-2ab)x^ny·(-x^2y^n)(2a+b)^2-(2a+b)(2a-b)(3a^2)^3-6a^3(2a^3+3a^2+a)(2a+3b)^2(3b-2a)^2(x
计算3a·(-3b)^2·(-2ab)x^ny·(-x^2y^n)(2a+b)^2-(2a+b)(2a-b)(3a^2)^3-6a^3(2a^3+3a^2+a)(2a+3b)^2(3b-2a)^2(x-2y+3)(x+2y-3)
计算3a·(-3b)^2·(-2ab)
x^ny·(-x^2y^n)
(2a+b)^2-(2a+b)(2a-b)
(3a^2)^3-6a^3(2a^3+3a^2+a)
(2a+3b)^2(3b-2a)^2
(x-2y+3)(x+2y-3)
计算3a·(-3b)^2·(-2ab)x^ny·(-x^2y^n)(2a+b)^2-(2a+b)(2a-b)(3a^2)^3-6a^3(2a^3+3a^2+a)(2a+3b)^2(3b-2a)^2(x-2y+3)(x+2y-3)
3a·(-3b)^2·(-2ab)
=3a·9b^2·(-2ab)
=-54a^2·b^3
x^ny·(-x^2y^n)
=-x^(n+2)·y^(n+1)
(2a+b)^2-(2a+b)(2a-b)
=4a^2+4ab+b^2-(4a^2-b^2)
=4a^2+4ab+b^2-4a^2+b^2
=4ab+2b^2
(3a^2)^3-6a^3(2a^3+3a^2+a)
=27a^6-12a^6-18a^5-6^4
=15a^6-18a^5-6a^4
(2a+3b)^2(3b-2a)^2
=(2a+3b)^2(2a-3b)^2
=(4a^2-9b^2)^2
=16a^4-72a^2·b^2+81b^4
(x-2y+3)(x+2y-3)
=x^2-(2y-3)^2
=x^2-(4y^2-12y+9)
=x^2-4y^2+12y-9
计算(a^-3b^-2)^-2x(ab^3)^-3
计算:[(-a^2b)^3]^3·(-ab^2)
计算:(1)(ab-b^2)÷a^2+b^2分之a^2-b^2·b分之1 (2)x^2+3x+2分之x+1 + x^2+7x+12分之x+3
计算:(-ab^-1)^2·[(2a)^-1b^2]^3÷(-ab^4)
计算:(1/2ab²)²÷(-2ab)·3a²b.
计算(-4/3a²b²)·(3/2a²+ab-0.6b²)
计算a^2b(ab^2-3ab)
计算(a-2b)(a^2-3ab+b^2)?
计算:(1)(2x²/3y﹚²﹙3y/4x﹚³;(2)a²-4b²/a²ab·a-b/a²-ab十万火急。(2)(a²-4b²/a²-ab)×(a-b/a²-ab)
计算:2ab[(2ab)²-3b(ab+a²b)-ab²]
计算3a·(-3b)^2·(-2ab)x^ny·(-x^2y^n)(2a+b)^2-(2a+b)(2a-b)(3a^2)^3-6a^3(2a^3+3a^2+a)(2a+3b)^2(3b-2a)^2(x-2y+3)(x+2y-3)
计算5ab^3*(-3/4a^3b^2)*(-2/3ab^4c)^3 x(x-1)(x+3)-x^2(x+1)+3x-1
计算x-[y-2x-(x-y)]还有:(a^b-3ab^2)-3(2a^2b-7ab^2)
计算:(1)(1+1/x-1)÷(x/x-1)(2)x^2-4x+4/x^2-4÷ x^2-2x/x+2(3)(a/ab-b^2-b/a^2-ab)÷(1+a^2+b^2/2ab)(4)(2a-b/a+b - b/a-b)÷a-2b/a-b)(5)a^2-b^2/a^2-ab÷(a+2ab+b^2/a)各位大神帮帮忙呢~
(x+a)(x+b)=x∧2+(a+b)x+ab(a,b为常数) 利用上述规律计算:(x+a)(x+b)=x∧2+(a+b)x+ab(a,b为常数) 利用上述规律计算:(1):(x+5)(x-4) (2):(x∧2+y)(x∧2-3y)
计算:3a·(-2ab)²·(-a²b)³
整式计算(1)3a[(b^2)-3a(b-3a)]+b[(9a^2)-3ab+(b^2)](2)[(4x-1/2·y)(x^2-2xy)因式分解(1)ab-a+b-1(2)(a+b+c)^2-(a-b-c)^2
计算(1)2x-6/x2-4x+4乘2x-4/x-3(2)a²+2ab+b²/ab-b²除ab+b²/a²-2ab