方程:1)x/10=4.5/0.82)0.7:x=12:243)4:1又2/3=x:0.54)x-1/4x=24+1/8x5)x-3/3=x-5/66)(x-2)×3=百分之25+1/4x1)袋子里有红、黑两种球,红球比黑球的三倍多两个,每次从袋子里取出4个红球和2个黑球,袋子里剩
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![方程:1)x/10=4.5/0.82)0.7:x=12:243)4:1又2/3=x:0.54)x-1/4x=24+1/8x5)x-3/3=x-5/66)(x-2)×3=百分之25+1/4x1)袋子里有红、黑两种球,红球比黑球的三倍多两个,每次从袋子里取出4个红球和2个黑球,袋子里剩](/uploads/image/z/754204-4-4.jpg?t=%E6%96%B9%E7%A8%8B%EF%BC%9A1%EF%BC%89x%2F10%3D4.5%2F0.82%EF%BC%890.7%EF%BC%9Ax%3D12%3A243%294%3A1%E5%8F%882%2F3%3Dx%3A0.54%EF%BC%89x%EF%BC%8D1%2F4x%3D24%2B1%2F8x5%29x-3%2F3%3Dx-5%2F66%29%28x-2%EF%BC%89%C3%973%3D%E7%99%BE%E5%88%86%E4%B9%8B25%2B1%2F4x1%EF%BC%89%E8%A2%8B%E5%AD%90%E9%87%8C%E6%9C%89%E7%BA%A2%E3%80%81%E9%BB%91%E4%B8%A4%E7%A7%8D%E7%90%83%2C%E7%BA%A2%E7%90%83%E6%AF%94%E9%BB%91%E7%90%83%E7%9A%84%E4%B8%89%E5%80%8D%E5%A4%9A%E4%B8%A4%E4%B8%AA%2C%E6%AF%8F%E6%AC%A1%E4%BB%8E%E8%A2%8B%E5%AD%90%E9%87%8C%E5%8F%96%E5%87%BA4%E4%B8%AA%E7%BA%A2%E7%90%83%E5%92%8C2%E4%B8%AA%E9%BB%91%E7%90%83%2C%E8%A2%8B%E5%AD%90%E9%87%8C%E5%89%A9)
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