100道化简求值求求,带答案的例:2x+3x+2y+3y,其中x=1,y=-1只要这种类型的,谢谢,我跪下啦要初一的,带答案
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![100道化简求值求求,带答案的例:2x+3x+2y+3y,其中x=1,y=-1只要这种类型的,谢谢,我跪下啦要初一的,带答案](/uploads/image/z/665935-7-5.jpg?t=100%E9%81%93%E5%8C%96%E7%AE%80%E6%B1%82%E5%80%BC%E6%B1%82%E6%B1%82%2C%E5%B8%A6%E7%AD%94%E6%A1%88%E7%9A%84%E4%BE%8B%EF%BC%9A2x%2B3x%2B2y%2B3y%2C%E5%85%B6%E4%B8%ADx%3D1%2Cy%3D-1%E5%8F%AA%E8%A6%81%E8%BF%99%E7%A7%8D%E7%B1%BB%E5%9E%8B%E7%9A%84%2C%E8%B0%A2%E8%B0%A2%2C%E6%88%91%E8%B7%AA%E4%B8%8B%E5%95%A6%E8%A6%81%E5%88%9D%E4%B8%80%E7%9A%84%EF%BC%8C%E5%B8%A6%E7%AD%94%E6%A1%88)
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