![image](https://tex.z-dn.net/?f=%C2%A0+5%2A%5Csqrt%7B27%7D+%5C%5C+%5Csqrt%7B27%7D+%5Capprox+%C2%A0%5C%5C+27+%3D+13%2C5%2A2+%5C%5C+13%2C5%2A2+%3D+6%2C75%2A4+%5C%5C+6%2C75%2A4+%5Capprox+5%2C19%2A5%2C2+%5C%5C+%5Cfrac%7B5%2C19%2B5%2C2%7D%7B2%7D%C2%A0%3Cspan%3E%5Capprox%3C%2Fspan%3E%C2%A05%2C19+%5C%5C+5%2C19%2A5%C2%A0%3D+25%2C95+%5C%5C+Ans%3A+25+%5Cldots+5%5Csqrt%7B27%7D+%5Cldots+26+%5C%5C+)
\approx 5,19 \\ 5,19*5 = 25,95 \\ Ans: 25 \ldots 5\sqrt{27} \ldots 26 \\ " alt=" 5*\sqrt{27} \\ \sqrt{27} \approx \\ 27 = 13,5*2 \\ 13,5*2 = 6,75*4 \\ 6,75*4 \approx 5,19*5,2 \\ \frac{5,19+5,2}{2}
\approx 5,19 \\ 5,19*5 = 25,95 \\ Ans: 25 \ldots 5\sqrt{27} \ldots 26 \\ " align="absmiddle" class="latex-formula">