化简(x+2/2²-2x-x-1/2²-4x+4)÷2-4/x³-2x²〔(x+2/2²-2x)-(x-1/2²-4x+4)〕÷2-4/x³-2x²
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 07:02:13
![化简(x+2/2²-2x-x-1/2²-4x+4)÷2-4/x³-2x²〔(x+2/2²-2x)-(x-1/2²-4x+4)〕÷2-4/x³-2x²](/uploads/image/z/1637020-28-0.jpg?t=%E5%8C%96%E7%AE%80%28x%2B2%2F2%26%23178%3B-2x-x-1%2F2%26%23178%3B-4x%2B4%29%C3%B72-4%2Fx%26%23179%3B-2x%26%23178%3B%E3%80%94%28x%2B2%2F2%26%23178%3B-2x%EF%BC%89-%EF%BC%88x-1%2F2%26%23178%3B-4x%2B4%29%E3%80%95%C3%B72-4%2Fx%26%23179%3B-2x%26%23178%3B)
化简(x+2/2²-2x-x-1/2²-4x+4)÷2-4/x³-2x²〔(x+2/2²-2x)-(x-1/2²-4x+4)〕÷2-4/x³-2x²
化简(x+2/2²-2x-x-1/2²-4x+4)÷2-4/x³-2x²
〔(x+2/2²-2x)-(x-1/2²-4x+4)〕÷2-4/x³-2x²
化简(x+2/2²-2x-x-1/2²-4x+4)÷2-4/x³-2x²〔(x+2/2²-2x)-(x-1/2²-4x+4)〕÷2-4/x³-2x²
题目应是〔(x+2/x²-2x)-(x-1/x²-4x+4)〕÷2-4/x³-2x²
=〔(x+2/x(x-2)-(x-1/(x-2)²)〕÷2-4/x³-2x²
=〔(x+2)(x-2)-x(x-1)]/x(x-2)² ÷2-4/x³-2x²
=〔x²-4-x²+x]/x(x-2)² ÷2-4/x³-2x²
=(x-4)/2x(x-2)² -4/x²(x-2)
=[x(x-4)-8(x-2)]/2x²(x-2)²
=[x²-4x-8x+16]/2x²(x-2)²
=[x²-12x+16]/2x²(x-2)²
没看懂,分数线 ,谁比谁
-2x-2X²-4/x³+17/8