1.3m(a-2b)-a+2b 2.2x(x-2y)+4y(2y-x) 3.2a(a+b)-4a 4.4a(x-y)-(x-y)
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1.3m(a-2b)-a+2b2.2x(x-2y)+4y(2y-x)3.2a(a+b)-4a4.4a(x-y)-(x-y)1.3m(a-2b)-a+2b2.2x(x-2y)+4y(2y-x)3.2a(
1.3m(a-2b)-a+2b 2.2x(x-2y)+4y(2y-x) 3.2a(a+b)-4a 4.4a(x-y)-(x-y)
1.3m(a-2b)-a+2b 2.2x(x-2y)+4y(2y-x) 3.2a(a+b)-4a 4.4a(x-y)-(x-y)
1.3m(a-2b)-a+2b 2.2x(x-2y)+4y(2y-x) 3.2a(a+b)-4a 4.4a(x-y)-(x-y)
1.3m(a-2b)-a+2b
=3m(a-2b)-(a-2b)
=(3m-1)(a-2b)
2.2x(x-2y)+4y(2y-x)
=2[x(x-2y)-2y(x-2y)]
=2(x-2y)²
3.2a(a+b)-4a
=2a(a+b-2)
4.4a(x-y)-(x-y)
=(4a-1)(x-y)
#define M(x) x*x int a=3,b=2; M(a+b)/M(a+b)=?
(a-b)^m+3(b-a)^2(a-b)^m
1、(a-b)(a+b)(a-b)²(b-a)³(a+b)^42、(a-b)^m+3 ×(b-a)^2 ×(a-b)^m ×(b-a)^53、(-x)^5 ×(-x^2)^5
1.3m(a-2b)-a+2b 2.2x(x-2y)+4y(2y-x) 3.2a(a+b)-4a 4.4a(x-y)-(x-y)
(a+b)m^2-(b+a) 因式分解....................
m^2(a+b)-a-b因式分解
计算(b-a)(b-a)^3(a- b)^5 x^m×(x^n)^3÷(x^m-1×2x^n-1) (2-6)^m+3×(b-a)^2×(a-b)^m×(b-a)^51.(b-a)(b-a)^3(a- b)^5 2 .x^m×(x^n)^3÷(x^m-1×2x^n-1) 3.(2-6)^m+3×(b-a)^2×(a-b)^m×(b-a)^5
y=x^2+ax+b,A={x/y=x}={a},M={a.b}.求M
9(a+b)^2-4(a-b)^2.x^2(m-1)(1-m)^2.
计算:(b-a)^5(a-b)^m+(a-b)^(m+3)(b-a)^2
计算:(a-b)^m+3(b-a)^2(a-b)^m(b-a)^5
下列各式从左到右的变形正确的是 A.a/b=(a+m)/(b+m) B.(a+x)/(b+x)=(a+1)/(b+1) C.(am)/b=(am^2)/bm D.下列各式从左到右的变形正确的是 A.a/b=(a+m)/(b+m) B.(a+x)/(b+x)=(a+1)/(b+1) C.(am)/b=(am^2)/bm D.a/b=[a(x^2+1)]/[b(x^2+1)
#define M(x) x*x int a=3,b=2; 则 M(a+b)/M(a+b) 的值为
分解因式:-3a^3m-12a^2m-15am 6a(a-b)-4b(b-a) 2(x-1)^2-x+1
因式分解:x^2(a-b)^2-y^2(b-a)^2 (3m+2n)^2-(2m+3n)^2 16(m-n)^2-25(m+n)^2a^2(a-3)+4(3-a) 计算:(-a-b)^2-(-a+b)^2 (m+2)(m-2)-(-m+2)^2 (-2a+b)^2-(b-2a)(-2a-b) (2a+b)^2-(-2a-b)^2 (a+2b)(a-2b)-4(2a-b)^2
(a-b)(m-2n)+(b-a)(2m-n)
(a+b)-2(-b+a)合并同类项还有去括号m-n-(m+n)(-0.5x-5x)-(-4x)
因式分解:2x(a-b)-(b-a)