sqrt的中文翻译

sqrt

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1. The third to last panel is an imaginary number.Shouldn't it be -SQRT(x)?: 倒数第三张图是错的吧?难道不应该是-√x 嘛?

2. The third to last panel is an imaginary number.Shouldn't it be -SQRT(x)?: 倒数第三张图是错的吧?难道不应该是-√x 嘛?