已知两个分式：，，其x≠±2中，则A与B的关系是[]A.相等B.互为倒数C.互为相反数D.A大于B-八年级数学

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• 化简：-九年级数学
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• 计算：=（）。-九年级数学
• 已知，则（）。-八年级数学
• 化简的结果是[]A.B.C.D.-八年级数学
• 化简的结果是[]A.B.C.1D.-1-八年级数学
• 计算：。-八年级数学
• 下列方程中，是分式方程的个数是（）①x+13=1，②3x+1=4，③x2-1x+1=1，④x2+x-13=2，⑤x+1π+2=x．A．1个B．2个C．3个D．4个-数学
• 方程－=0的解为（）A．x=2B．x=－2C．x=3D．x=－3-九年级数学
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• 解方程：=1﹣．-七年级数学
• 解分式方程：＋＝.-七年级数学
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