化简(x+x⼀x^2-1)⼀(2-1⼀x+1+1⼀x-1)

2025-06-20 09:46:10
推荐回答(1个)
回答1:

原式=(x³-x+x)/(x+1)(x-1)/[(2x²-2-x+1+x+1)/(x+1)(x-1)]
=x³/(x+1)(x-1)*(x+1)(x-1)/(2x²)
=x/2