3y/2x+2y＋2xy/x²+xy 2x/x²-64y²－1/x-8y (1/a+1/b)²÷(1/a²-1/b²) (3x&su

题目

3y/2x+2y＋2xy/x²+xy 2x/x²-64y²－1/x-8y (1/a+1/b)²÷(1/a²-1/b²) (3x&su
3y/2x+2y＋2xy/x²+xy 2x/x²-64y²－1/x-8y (1/a+1/b)²÷(1/a²-1/b²) (3x²/4y)²×2y/3x+x²/2y²÷2y²/x
计算

答案

3y/2x+2y＋2xy/x²+xy=3y/2x+2y+2y/x+xy=3y/2x+2y+4y/2x+xy=7y/2x+2y+xy2x/x²-64y²－1/x-8y =2/x-64y²－1/x-8y =1/x-64y²-8y(1/a+1/b)²÷(1/a²-1/b²) =(1/a+1/b)²÷[(1...