(x+1)一2 (x-1)=1-3x 3分之2-8x=3+2分之1x 3分之4-x=5分之x-3-1 2.4-0.5分之y-4=5分之3y (x+1)一2 (x-1)=1-3x一题 3分之2-8x=3+2分之1x二题 3分之4-x=5分之x-3-1 三题2.4-0.5分之y-4=5分之3y四题。“—”长
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![(x+1)一2 (x-1)=1-3x 3分之2-8x=3+2分之1x 3分之4-x=5分之x-3-1 2.4-0.5分之y-4=5分之3y (x+1)一2 (x-1)=1-3x一题 3分之2-8x=3+2分之1x二题 3分之4-x=5分之x-3-1 三题2.4-0.5分之y-4=5分之3y四题。“—”长](/uploads/image/z/2712975-15-5.jpg?t=%EF%BC%88x%EF%BC%8B1%EF%BC%89%E4%B8%802+%EF%BC%88x-1%EF%BC%89%3D1-3x+3%E5%88%86%E4%B9%8B2-8x%3D3%2B2%E5%88%86%E4%B9%8B1x+3%E5%88%86%E4%B9%8B4-x%3D5%E5%88%86%E4%B9%8Bx-3-1+2.4-0.5%E5%88%86%E4%B9%8By-4%3D5%E5%88%86%E4%B9%8B3y+%EF%BC%88x%EF%BC%8B1%EF%BC%89%E4%B8%802+%EF%BC%88x-1%EF%BC%89%3D1-3x%E4%B8%80%E9%A2%98+3%E5%88%86%E4%B9%8B2-8x%3D3%2B2%E5%88%86%E4%B9%8B1x%E4%BA%8C%E9%A2%98+3%E5%88%86%E4%B9%8B4-x%3D5%E5%88%86%E4%B9%8Bx-3-1+%E4%B8%89%E9%A2%982.4-0.5%E5%88%86%E4%B9%8By-4%3D5%E5%88%86%E4%B9%8B3y%E5%9B%9B%E9%A2%98%E3%80%82%E2%80%9C%E2%80%94%E2%80%9D%E9%95%BF)
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