化简 sqrt(50^2+78.53^2)

解答

化简

5 0^{2} + 78.5 3^{2}

\frac{86669609}{100}

十进制

93.09651 \dots

求解步骤

5 0^{2} + 78.5 3^{2}

5 0^{2} + 78.5 3^{2} = 8666.9609

= 8666.9609

8666.9609 = \frac{86669609}{10000}

= \frac{86669609}{10000}

使用根式运算法则:

\frac{a}{b} = \frac{a}{b}, a \geq 0, b \geq 0

= \frac{86669609}{10000}

10000 = 100

= \frac{86669609}{100}

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