5a^2-2ab-2b^2-(4a^2-2ab+b^2)要过程5a^2-2ab-2b^2-(4a^2-2ab+b^2)=[-3^2*2-(-2)^3*3-4*/6/]/(-3)^2=[-3^2*2-(-2)^3*3-4*/-6/]/(-3)^2,刚刚打错了是-6的绝对值
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![5a^2-2ab-2b^2-(4a^2-2ab+b^2)要过程5a^2-2ab-2b^2-(4a^2-2ab+b^2)=[-3^2*2-(-2)^3*3-4*/6/]/(-3)^2=[-3^2*2-(-2)^3*3-4*/-6/]/(-3)^2,刚刚打错了是-6的绝对值](/uploads/image/z/1114311-39-1.jpg?t=5a%5E2-2ab-2b%5E2-%284a%5E2-2ab%2Bb%5E2%29%E8%A6%81%E8%BF%87%E7%A8%8B5a%5E2-2ab-2b%5E2-%284a%5E2-2ab%2Bb%5E2%29%3D%5B-3%5E2%2A2-%28-2%29%5E3%2A3-4%2A%2F6%2F%5D%2F%28-3%29%5E2%3D%5B-3%5E2%2A2-%28-2%29%5E3%2A3-4%2A%2F-6%2F%5D%2F%28-3%29%5E2%2C%E5%88%9A%E5%88%9A%E6%89%93%E9%94%99%E4%BA%86%E6%98%AF-6%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC)
5a^2-2ab-2b^2-(4a^2-2ab+b^2)要过程5a^2-2ab-2b^2-(4a^2-2ab+b^2)=[-3^2*2-(-2)^3*3-4*/6/]/(-3)^2=[-3^2*2-(-2)^3*3-4*/-6/]/(-3)^2,刚刚打错了是-6的绝对值
5a^2-2ab-2b^2-(4a^2-2ab+b^2)要过程
5a^2-2ab-2b^2-(4a^2-2ab+b^2)=
[-3^2*2-(-2)^3*3-4*/6/]/(-3)^2=
[-3^2*2-(-2)^3*3-4*/-6/]/(-3)^2,刚刚打错了是-6的绝对值
5a^2-2ab-2b^2-(4a^2-2ab+b^2)要过程5a^2-2ab-2b^2-(4a^2-2ab+b^2)=[-3^2*2-(-2)^3*3-4*/6/]/(-3)^2=[-3^2*2-(-2)^3*3-4*/-6/]/(-3)^2,刚刚打错了是-6的绝对值
=5a^2-2ab-2b^2-4a^2+2ab-b^2=a^2-3b^2
=(-18+24-24)/9=-2
5a^2-2ab-2b^2-(4a^2-2ab+b^2)=5a^2-2ab-2b^2-4a^2+2ab-b^2=a^2-3b^2
[-3^2*2-(-2)^3*3-4*/6/]/(-3)^2=(-18+24……?
a^2b-ab+2ab^2-5a^b-4ab+3ab^2化简快
a+b/2ab
2AB/A+B
a+b/2ab
1/4a^2b^2{3ab(a+b)-5a(ab-b^2)}=?
2a²b(a-b)+ab(a-b)²+4ab²(a-b)
(a-b)(a^5+a^4b+a^3b^2+ab^4+b^5)bggg
5ab^2-{2a^b-[3ab^2-(4ab^2-2a^2b)]}
因式分解:a×a×a-2a×a×b+ab×b
a-b/a^2+ab / ab-a^2/a^2b^2-b^4快
-3/4ab+2/3a^2b+ab-a^2b-1/2ab-5/3a^2b
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已知a-b=5,ab=-4,求代数式5a^2b(a-b)-3ab(b-a)^2+5ab^2(b-a)的值
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(a-b)平方-2ab(b-a)
(a-b)^3+2ab(a-b)
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