分式的乘除:4a+4b/5ab*15a²cb/a²-b² x²-4y²/x²+4x+4*x+2/3x²+6xyx²+1/x-6*x²+36/x³+x y²-x²/5x²-4xy÷x+y4a+4b/5ab*15a²cb/a²-b²x²-4y²/x²+4x+4*x+2/3x²+6xyx²+1/x-6*x²+36/x³+x y²-x²/5x²-4xy÷x+y
问题描述:
分式的乘除:4a+4b/5ab*15a²cb/a²-b² x²-4y²/x²+4x+4*x+2/3x²+6xy
x²+1/x-6*x²+36/x³+x
y²-x²/5x²-4xy÷x+y
4a+4b/5ab*15a²cb/a²-b²
x²-4y²/x²+4x+4*x+2/3x²+6xy
x²+1/x-6*x²+36/x³+x
y²-x²/5x²-4xy÷x+y
答
你说的是要化简因式吧
答
4a+4b/5ab*15a²cb/a²-b²=4(a+b)*3ac/(a-b)(a+b)=12ac/(a-b)x²-4y²/x²+4x+4*x+2/3x²+6xy=(x-2y)(x+2y)/(x+2)²*(x+2)/3x(x+2y)=(x-2y)/3x(x+2)x²+1/x-6*x²+36/x...