Question

$sqrt24} - 4 sqrt{6} + sqrt{54} =?$

Answer 1

1) 24 = 6*4 = 2√6

2) 54 = 6 * 9 = 3 √6

2√6 - 4√6 + 3√6 = 5√6 - 4√6 = √6

Ответ: √6