x=4是下面那个方程的解 a:x²-8x+16=0 b:2x+8=0 c:8-4x=0 d:x²+8x+16=0
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![x=4是下面那个方程的解 a:x²-8x+16=0 b:2x+8=0 c:8-4x=0 d:x²+8x+16=0](/uploads/image/z/991367-71-7.jpg?t=x%3D4%E6%98%AF%E4%B8%8B%E9%9D%A2%E9%82%A3%E4%B8%AA%E6%96%B9%E7%A8%8B%E7%9A%84%E8%A7%A3+a%EF%BC%9Ax%26%23178%3B-8x%2B16%3D0+b%3A2x%2B8%3D0+c%3A8-4x%3D0+d%3Ax%26%23178%3B%2B8x%2B16%3D0)
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x=4是下面那个方程的解 a:x²-8x+16=0 b:2x+8=0 c:8-4x=0 d:x²+8x+16=0
x=4是下面那个方程的解 a:x²-8x+16=0 b:2x+8=0 c:8-4x=0 d:x²+8x+16=0
x=4是下面那个方程的解 a:x²-8x+16=0 b:2x+8=0 c:8-4x=0 d:x²+8x+16=0
果断是A啊、要神吗过程、直接代入算
a
是方程a的解 方程a可以变成(x-4)*(x-4)=0