Question

$\frac{ \sqrt{ {2.34}^{2} { - 0.9}^{2} } }{ {0.75}^{2} { - 0.15}^{2} }$
​

Answer 1

Решение:

$\frac{\sqrt{2,34^{2}-0,9^{2}}}{0,75^{2}-0,15^{2}}=\frac{\sqrt{5,4756-0,81}}{0,5625-0,0225}=\frac{\sqrt{4,6654}}{0,54}=\frac{2,16}{0,54}=4$

Ответ: 4