数学,代数化简,求解 .3b²-(a²+b²)-b²x+(2x-1)-(x/3+3)-2(ab-3a²)+(5ab-a²)2a²-1/2(ab+a²)-8ab-(b-4)+4(-b-3)1/2(x²-y)+1/3(x-y²)+1/6(x²+y²)过程
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![数学,代数化简,求解 .3b²-(a²+b²)-b²x+(2x-1)-(x/3+3)-2(ab-3a²)+(5ab-a²)2a²-1/2(ab+a²)-8ab-(b-4)+4(-b-3)1/2(x²-y)+1/3(x-y²)+1/6(x²+y²)过程](/uploads/image/z/1741911-15-1.jpg?t=%E6%95%B0%E5%AD%A6%2C%E4%BB%A3%E6%95%B0%E5%8C%96%E7%AE%80%2C%E6%B1%82%E8%A7%A3+.3b%26%23178%3B-%EF%BC%88a%26%23178%3B%2Bb%26%23178%3B%EF%BC%89-b%26%23178%3Bx%2B%282x-1%EF%BC%89-%EF%BC%88x%2F3%2B3%29-2%EF%BC%88ab-3a%26%23178%3B%EF%BC%89%2B%EF%BC%885ab-a%26%23178%3B%EF%BC%892a%26%23178%3B-1%2F2%EF%BC%88ab%2Ba%26%23178%3B%EF%BC%89-8ab-%EF%BC%88b-4%29%2B4%28-b-3%291%2F2%28x%26%23178%3B-y%29%2B1%2F3%28x-y%26%23178%3B%EF%BC%89%2B1%2F6%28x%26%23178%3B%2By%26%23178%3B%EF%BC%89%E8%BF%87%E7%A8%8B)
数学,代数化简,求解 .3b²-(a²+b²)-b²x+(2x-1)-(x/3+3)-2(ab-3a²)+(5ab-a²)2a²-1/2(ab+a²)-8ab-(b-4)+4(-b-3)1/2(x²-y)+1/3(x-y²)+1/6(x²+y²)过程
数学,代数化简,求解 .
3b²-(a²+b²)-b²
x+(2x-1)-(x/3+3)
-2(ab-3a²)+(5ab-a²)
2a²-1/2(ab+a²)-8ab
-(b-4)+4(-b-3)
1/2(x²-y)+1/3(x-y²)+1/6(x²+y²)
过程
数学,代数化简,求解 .3b²-(a²+b²)-b²x+(2x-1)-(x/3+3)-2(ab-3a²)+(5ab-a²)2a²-1/2(ab+a²)-8ab-(b-4)+4(-b-3)1/2(x²-y)+1/3(x-y²)+1/6(x²+y²)过程
3b²-(a²+b²)-b²
=3b²-a²-b²-b²
=b²-a²
=(a+b)(b-a)
x+(2x-1)-(x/3+3)
=x+2x-1-x/3-3
=8/3x-4
=4(2/3x-1)
-2(ab-3a²)+(5ab-a²)
=-2ab+6a²+5ab-a²
=5a²+3ab
=a(5a+3b)
2a²-1/2(ab+a²)-8ab
=2a²-1/2ab-1/2a²-8ab
=3/2a²-17/2ab
=1/2a(3a-17b)
-(b-4)+4(-b-3)
=-b+4-4b-12
=-5b-8
1/2(x²-y)+1/3(x-y²)+1/6(x²+y²)
=1/2x²-1/2y+1/3x-1/3y²+1/6x²+1/6y²
=2/3x²-1/6y²-1/2y+1/3x
=1/6(4x²-y²-3y+2x)
=1/6(2x(2x+1)-y(y+3))
=1/3x(2x+1)-1/6y(y+3)
就是合并同类项啊 没什么过程
b²-a²
8x/3-4
5a²+3ab
3a²/2-17ab/2
-5b-8
2x²/3+x/3-1y²/3-y/2
原式=b^2-a^2
原式=(8/3)x-4
原式=5a^2+3ab
原式=(3/2)a^2-(17/2)ab
原式=-5b-8
原式=(2/3)x^2-(1/6)y^2+(1/3)x-(1/2)y