初一数学解方程题4道,在线等,谢谢. (1)4(x-1)-3(20-x)=5(x-2) (2)2x初一数学解方程题4道,在线等,谢谢.(1)4(x-1)-3(20-x)=5(x-2)(2)2x-1\3-2x-3\4=1(3)(2x^3-3x^2y-xy^2)-(x^3-2xy^2-y^3)+(-x^3+3x^2y)(4)1^1÷(-4)^2×(-16\3)+|0.5-1| 在
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![初一数学解方程题4道,在线等,谢谢. (1)4(x-1)-3(20-x)=5(x-2) (2)2x初一数学解方程题4道,在线等,谢谢.(1)4(x-1)-3(20-x)=5(x-2)(2)2x-1\3-2x-3\4=1(3)(2x^3-3x^2y-xy^2)-(x^3-2xy^2-y^3)+(-x^3+3x^2y)(4)1^1÷(-4)^2×(-16\3)+|0.5-1| 在](/uploads/image/z/444773-29-3.jpg?t=%E5%88%9D%E4%B8%80%E6%95%B0%E5%AD%A6%E8%A7%A3%E6%96%B9%E7%A8%8B%E9%A2%984%E9%81%93%2C%E5%9C%A8%E7%BA%BF%E7%AD%89%2C%E8%B0%A2%E8%B0%A2.+%281%294%28x-1%29-3%2820-x%29%3D5%28x-2%29+%282%292x%E5%88%9D%E4%B8%80%E6%95%B0%E5%AD%A6%E8%A7%A3%E6%96%B9%E7%A8%8B%E9%A2%984%E9%81%93%2C%E5%9C%A8%E7%BA%BF%E7%AD%89%2C%E8%B0%A2%E8%B0%A2.%281%294%28x-1%29-3%2820-x%29%3D5%28x-2%29%282%292x-1%5C3-2x-3%5C4%3D1%283%29%282x%5E3-3x%5E2y-xy%5E2%29-%28x%5E3-2xy%5E2-y%5E3%29%2B%28-x%5E3%2B3x%5E2y%29%284%291%5E1%C3%B7%28-4%29%5E2%C3%97%28-16%5C3%29%2B%7C0.5-1%7C+%E5%9C%A8)
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