约分 3axy²分之2ax²y3axy²分之2ax²y3b(a+b)²分之-2a(a+b)³x²-2xy+y²分之2x²y-2xy²x²-10x+25分之25-x²

约分 3axy²分之2ax²y3axy²分之2ax²y3b(a+b)²分之-2a(a+b)³x²-2xy+y²分之2x²y-2xy²x²-10x+25分之25-x²
约分 3axy²分之2ax²y
3axy²分之2ax²y
3b(a+b)²分之-2a(a+b)³
x²-2xy+y²分之2x²y-2xy²
x²-10x+25分之25-x²

约分 3axy²分之2ax²y3axy²分之2ax²y3b(a+b)²分之-2a(a+b)³x²-2xy+y²分之2x²y-2xy²x²-10x+25分之25-x²
1、原式=2x/(3y)
2、原式=-2a(a+b)/(3b)
3、=2xy(x-y)/(x-y)²=2xy/(x-y)
4、原式=-(x+5)(x-5)/(x-5)²=-(x+5)/(x-5)