1.在y=kx+b中,当x=1时,y=4,当x=2时,y=10,则k=〔 〕,b=〔 〕,2.已知x=4,y=3是方程组ax+by=5,bx+ay= -12,则a+b=〔 〕,3.关于x,y的方程组3x-y=5,4ax+5by= -22 与 2x+3y= -4 ,ax-by=8有相同的
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![1.在y=kx+b中,当x=1时,y=4,当x=2时,y=10,则k=〔 〕,b=〔 〕,2.已知x=4,y=3是方程组ax+by=5,bx+ay= -12,则a+b=〔 〕,3.关于x,y的方程组3x-y=5,4ax+5by= -22 与 2x+3y= -4 ,ax-by=8有相同的](/uploads/image/z/2703518-62-8.jpg?t=1.%E5%9C%A8y%EF%BC%9Dkx%EF%BC%8Bb%E4%B8%AD%2C%E5%BD%93x%EF%BC%9D1%E6%97%B6%2Cy%EF%BC%9D4%2C%E5%BD%93x%EF%BC%9D2%E6%97%B6%2Cy%EF%BC%9D10%2C%E5%88%99k%EF%BC%9D%E3%80%94+%E3%80%95%2Cb%EF%BC%9D%E3%80%94+%E3%80%95%2C2.%E5%B7%B2%E7%9F%A5x%EF%BC%9D4%2Cy%EF%BC%9D3%E6%98%AF%E6%96%B9%E7%A8%8B%E7%BB%84ax%EF%BC%8Bby%EF%BC%9D5%2Cbx%EF%BC%8Bay%EF%BC%9D+-12%2C%E5%88%99a%EF%BC%8Bb%EF%BC%9D%E3%80%94+%E3%80%95%2C3.%E5%85%B3%E4%BA%8Ex%2Cy%E7%9A%84%E6%96%B9%E7%A8%8B%E7%BB%843x-y%EF%BC%9D5%2C4ax%EF%BC%8B5by%EF%BC%9D+-22+%E4%B8%8E+2x%EF%BC%8B3y%EF%BC%9D+-4+%2Cax-by%EF%BC%9D8%E6%9C%89%E7%9B%B8%E5%90%8C%E7%9A%84)
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