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fmt.Printf("1.8350 => %.2f\n",float64(1.835))
fmt.Printf("1.8450 => %.2f\n",float64(1.845))
fmt.Printf("5.8350 => %.2f\n",float64(5.835))
fmt.Printf("5.8450 => %.2f\n",float64(5.845))
fmt.Printf("7.8350 => %.2f\n",float64(7.835))
fmt.Printf("7.8450 => %.2f\n",float64(7.845))
fmt.Printf("8.8350 => %.2f\n",float64(8.835))
fmt.Printf("8.8450 => %.2f\n",float64(8.845))
fmt.Printf("9.8350 => %.2f\n",float64(9.835))
fmt.Printf("9.8450 => %.2f\n",float64(9.845))
输出结果:
1.8350 => 1.83
1.8450 => 1.84
5.8350 => 5.83
5.8450 => 5.84
7.8350 => 7.83
7.8450 => 7.84
8.8350 => 8.84
8.8450 => 8.85
9.8350 => 9.84
9.8450 => 9.85
为什么有时进位有时没有
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fmt.Printf("1.8350 => %.2f\n",float64(1.835))
fmt.Printf("1.8450 => %.2f\n",float64(1.845))
fmt.Printf("5.8350 => %.2f\n",float64(5.835))
fmt.Printf("5.8450 => %.2f\n",float64(5.845))
fmt.Printf("7.8350 => %.2f\n",float64(7.835))
fmt.Printf("7.8450 => %.2f\n",float64(7.845))
fmt.Printf("8.8350 => %.2f\n",float64(8.835))
fmt.Printf("8.8450 => %.2f\n",float64(8.845))
fmt.Printf("9.8350 => %.2f\n",float64(9.835))
fmt.Printf("9.8450 => %.2f\n",float64(9.845))
输出结果:
1.8350 => 1.83
1.8450 => 1.84
5.8350 => 5.83
5.8450 => 5.84
7.8350 => 7.83
7.8450 => 7.84
8.8350 => 8.84
8.8450 => 8.85
9.8350 => 9.84
9.8450 => 9.85
为什么有时进位有时没有