1.一次函数y=kx-3满足:当x=2时,y=5.则k的值是().2.设等腰三角形的顶角度数为x,底脚的度数为y,那么以x为自变量,y为因变量的关系式是().3.小明用30元去购买价格每件5元的某种商品,则他剩余
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![1.一次函数y=kx-3满足:当x=2时,y=5.则k的值是().2.设等腰三角形的顶角度数为x,底脚的度数为y,那么以x为自变量,y为因变量的关系式是().3.小明用30元去购买价格每件5元的某种商品,则他剩余](/uploads/image/z/9301991-23-1.jpg?t=1.%E4%B8%80%E6%AC%A1%E5%87%BD%E6%95%B0y%3Dkx-3%E6%BB%A1%E8%B6%B3%EF%BC%9A%E5%BD%93x%3D2%E6%97%B6%2Cy%3D5.%E5%88%99k%E7%9A%84%E5%80%BC%E6%98%AF%EF%BC%88%EF%BC%89.2.%E8%AE%BE%E7%AD%89%E8%85%B0%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E9%A1%B6%E8%A7%92%E5%BA%A6%E6%95%B0%E4%B8%BAx%2C%E5%BA%95%E8%84%9A%E7%9A%84%E5%BA%A6%E6%95%B0%E4%B8%BAy%2C%E9%82%A3%E4%B9%88%E4%BB%A5x%E4%B8%BA%E8%87%AA%E5%8F%98%E9%87%8F%2Cy%E4%B8%BA%E5%9B%A0%E5%8F%98%E9%87%8F%E7%9A%84%E5%85%B3%E7%B3%BB%E5%BC%8F%E6%98%AF%EF%BC%88%EF%BC%89.3.%E5%B0%8F%E6%98%8E%E7%94%A830%E5%85%83%E5%8E%BB%E8%B4%AD%E4%B9%B0%E4%BB%B7%E6%A0%BC%E6%AF%8F%E4%BB%B65%E5%85%83%E7%9A%84%E6%9F%90%E7%A7%8D%E5%95%86%E5%93%81%2C%E5%88%99%E4%BB%96%E5%89%A9%E4%BD%99)
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