Arithmetic square root If the square of a positive number X is equal to A, that is, X 2 = A, then this positive number X is the arithmetic square root of A (arithmetic

square

Root). The arithmetic square root of a is recorded as √￣ a, which is pronounced as "root number A", and A is called radix. Rule: The arithmetic square root of 0 is 0. 1.√ √ A √ 02。 √ √ A √ 0 Example: The square root of 9 is 3.

; The arithmetic square root of 9 is 3, all positive square roots are preceded by plus or minus signs, and all arithmetic square roots are non-negative numbers (including 0, √ = 0). I don't know how to ask.

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