数学,代数化简,求解 .
问题描述:
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
答
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-a&...