题目已知A=(x+1x2−x−x+2x2−2x+1)÷2x+1xA=\left(\dfrac{x+1}{x^{2}-x}-\dfrac{x+2}{x^{2}-2x+1}\right)\div \dfrac{2x+1}{x}A=(x2−xx+1−x2−2x+1x+2)÷x2x+1.（1）化简AAA.（2）若xxx的值刚好使分式∣x∣−3x−3\dfrac{|x|-3}{x-3}x−3∣x∣−3的值为000,求AAA的值.知识点：分式的混合运算章节：数与式 / 分式
