```
func SqrtNewton(x float64, eps float64) float64 {
    z := 1.0
    for math.Abs(z*z-x) > eps {
        z -= (z*z - x) / (2 * z)
    }
    return z
}
```
 ``` func SqrtNewton(x float64, eps float64) float64 { z := 1.0 for math.Abs(z*zx) > eps { z -= (z*z - x) / (2 * z) } กลับ z } ```
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