多项式x²-x+5减去3x²-啊,结果为 A.2x²+5 B.-2x-x+9 C.-2x²-x+1 D.-2x²+x+9
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 15:30:26
![多项式x²-x+5减去3x²-啊,结果为 A.2x²+5 B.-2x-x+9 C.-2x²-x+1 D.-2x²+x+9](/uploads/image/z/4102476-60-6.jpg?t=%E5%A4%9A%E9%A1%B9%E5%BC%8Fx%26%23178%3B-x%2B5%E5%87%8F%E5%8E%BB3x%26%23178%3B-%E5%95%8A%2C%E7%BB%93%E6%9E%9C%E4%B8%BA+A.2x%26%23178%3B%2B5+B.-2x-x%2B9+C.-2x%26%23178%3B-x%2B1+D.-2x%26%23178%3B%2Bx%2B9)
多项式x²-x+5减去3x²-啊,结果为 A.2x²+5 B.-2x-x+9 C.-2x²-x+1 D.-2x²+x+9
多项式x²-x+5减去3x²-啊,结果为 A.2x²+5 B.-2x-x+9 C.-2x²-x+1 D.-2x²+x+9
多项式x²-x+5减去3x²-啊,结果为 A.2x²+5 B.-2x-x+9 C.-2x²-x+1 D.-2x²+x+9
多项式x²-x+5减去3x²-4,结果为
B.-2x²-x+9